《纳米研究》2021年第11期目录
Perspective Review
Cornerstone of molecular spintronics: Strategies for reliable organic spin valves
Shuaishuai Ding1,3,4, Yuan Tian2,*, and Wenping Hu1,3,4,*
1 Tianjin University, China
2 Hunan University, China
3 Collaborative Innovation Center of Chemical Science and Engineering, China
4 International Campus of Tianjin University, China
Fabrication and evaluation strategies to achieve reliable organic spin valves with vertical structure are summarized.
3653–3668
Review Articles
Recent developments in self-powered smart chemical sensors for wearable electronics
Aaryashree1, Surjit Sahoo2, Pravin Walke3, Saroj Kumar Nayak2, Chandra Sekhar Rout4,*, and Dattatray J. Late5,*
1 Shibaura Institute of Technology, Japan
2 Indian Institute of Technology Bhubaneswar, India
3 University of Mumbai, India
4 Jain University, India
5 Amity University Maharashtra, India
Wearable self-powered chemical sensing systems, not only ease the continuous monitoring but also show their ability to meet the demands of mobile electronics by their self-powering capabilities. In this article, recent progress and advantages of wearable self-powered smart chemical sensors systems for wearable electronics are reviewed.
3669–3689
Recent advances in semimetallic pnictogen (As, Sb, Bi) based anodes for sodium-ion batteries: Structural design, charge storage mechanisms, key challenges and perspectives
Samrat Sarkar, Swagata Roy, Yufeng Zhao*, and Jiujun Zhang*
Shanghai University, China
Progress of semimetallic pnictogens (As, Sb, Bi) as anodes of sodium ion batteries is elucidated with emphasis in their design, charge storage mechanisms, challenges and perspectives.
3690–3723
Advances in green synthesis and applications of graphene
Qi Yu1,2,*, Jianchao Jiang1, Liyun Jiang1, Qingqing Yang1, and Ning Yan2,*
1 Shaanxi University of Technology, China
2 National University of Singapore, Singapore
The applications of graphene pertinent to sustainable developments in green chemistry are reviewed.
3724–3743
X-ray sensitive high-Z metal nanocrystals for cancer imaging and therapy
Liting Zheng, Rong Zhu, Lanlan Chen*, Qinrui Fu, Jingying Li, Chen Chen, Jibin Song*, and Huanghao Yang*
Fuzhou University, China
We summarized a series of X-ray sensitive high-Z metal nanocrystals, such as bismuth, hafnium, gold and gadolinium, corresponding mechanisms, and their theranostic applications.
3744–3755
Graphene transfer methods: A review
Sami Ullah1, Xiaoqin Yang1,2, Huy Q. Ta3, Maria Hasan4,5, Alicja Bachmatiuk1,3,5, Klaudia Tokarska5, Barbara Trzebicka5, Lei Fu6, and Mark H. Rummeli1,3,5,7,*
1 Soochow University, China
2 Xi'an Jiaotong University, China
3 Institute for Complex Materials, IFW Dresde, Germany
4 National University of Technology, Pakistan
5 Polish Academy of Sciences, Poland
6 Wuhan University, China
7 VŠB-Technical University of Ostrava, Czech Republic
The advancement in transfer techniques allows for the efficient preservation of the as-produced graphene quality upon release and transfer on to technologically relevant materials. This is relevant for applications such as electronic devices and energy-related use.
3756–3772
Recent advances and perspective on the synthesis and photocatalytic application of metal halide perovskite nanocrystals
Yong Xu1,*, Muhan Cao2, and Shaoming Huang1,*
1 Guangdong University of Technology, China
2 Soochow University, China
This review summarizes the recent advances on synthesis, modification, functionalization, and catalytic application of metal halide perovskites. The goal of this view is to introduce the photocatalytic application of the metal halide perovskites and motivate researchers from different fields to explore more potentials in catalysis.
3773–3794
Metal-support interactions in designing noble metal-based catalysts for electrochemical CO2 reduction: Recent advances and future perspectives
Zhao Li1, Rui Wu1,*, Lei Zhao1, Pingbo Li3, Xinxin Wei1, Junjie Wang1, Jun Song Chen1,*, and Tierui Zhang2,*
1 University of Electronic Science and Technology of China, China
2 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, China
3 Chongqing University of Technology, China
The strong metal-support interaction (MSI) between the metal and substrate plays an important role in affecting the CO2 reduction reaction (CO2RR) performance by regulating the adsorption strength, electronic structure, coordination environment and binding energy.
3795–3809
Intriguing one-dimensional electronic behavior in emerging two-dimensional materials
Xuan Song1, Teng Zhang1, Huixia Yang1, Hongyan Ji1, Jiatao Sun1, Liwei Liu1,*, Yeliang Wang1,*, and Hongjun Gao2
1 Beijing Institute of Technology, China
2 Institute of Physics, Chinese Academy of Sciences, China
Tomonaga–Luttinger liquid (TLL), a peculiar one-dimensional electronic behavior, has been recently explored in emerging two-dimensional materials, including semiconductors and topological materials.
3810–3819
Two-dimensional quantum dots for biological applications
Yingchun Niu1, Jiapeng Li1, Jiajia Gao1, Xiangcheng Ouyang1, Lulu Cai2,*, and Quan Xu1,*
1 China University of Petroleum-Beijing, China
2 University of Electronic Science and Technology of China, China
Two-dimensional quantum dots have made great strides in the past few decades and have been used for in vivo and in vitro biological imaging of tissues and cells associated with diseases such as tumors, cancer, wound infection and inflammation. In this review paper, the fabrication process, doping strategy and biological application of quantum dots in the past years have been reviewed.
3820–3839
Research Articles
Long-term fundus fluorescence angiography and real-time diagnosis of retinal diseases in non-human primate-animal models
Miaomiao Tang1, Lu Zhang1, Bin Song1, Xiaoyuan Ji1, Chenyu Wang1, Houyu Wang1, Hua Xu1, Yuanyuan Su1,2, and Yao He1,*
1 Soochow University, China
2 Sun Yat-Sen University, China
Taking cynomolgus macaques as non-human primate-animal model, we employ silicon nanoparticles-based bioprobes for real-time diagnosis of retinal diseases through dynamic monitoring of vascular dysfunction.
3840–3847
A dual-use probe for nano-metric photoelectric characterization using a confined light field generated by photonic crystals in the cantilever
Yaoping Hou, Chengfu Ma, Wenting Wang, and Yuhang Chen*
University of Science and Technology of China, China
Photonic crystal cavities are integrated near the cantilever’s free end where the laser spot locates. The laser beam is segmented into a reflection branch for monitoring the cantilever deflection and a transmission branch for exciting surface plasmon polaritons to generate a hot-spot at the tip apex. Electrostatic force microscopy and scanning Kelvin probe microscopy are applied to demonstrate the generation of a local confined light field by studying its impacts on the photoelectric characteristics of the specimens.
3848–3853
Van der Waals heterostructure engineering by 2D space-confinement for advanced potassium-ion storage
Bi Luo1, Peng Wu2, Jiafeng Zhang1,*, Liang Cao1, Chunhui Wang1, Bin Lu3, Bao Zhang1, and Xing Ou1,*
1 Central South University, China
2 South China University of Technology, China
3 Hangzhou Dianzi University, China
A two-dimensional (2D) space confined strategy is proposed to construct C/MoS2/G van der Waals heterostructure for superior potassium-ion batteries (PIB) anode with superior rate capability and superior ultrahigh-rate long-cycling stability. This promising route illustrates the revelation for structural design of 2D layered materials in advanced energy storage application.
3854–3863
Efficient carrier transport via dual-function interfacial eng-ineering using cesium iodide for high-performance perovskite solar cells based on NiOX hole transporting materials
Taotao Hu, Fu Zhang, Hua Yu*, Meng Zhang, Yue Yu, Wenfeng Zhang*, Rui Liu, Liuwen Tian, and Zhu Ma
Southwest Petroleum University, China
Efficient carrier extraction was achieved via a dual-function interfacial engineering approach by applying cesium iodide (CsI) between NiOX hole transporting layer/perovskite light absorption layer in inverted perovskite solar cells, achieving high power conversion efficiency (PCE) of 18.48% and noticeable fill factor (FF) beyond 80%.
3864–3872
High-yield fabrication of perpendicularly magnetised synthetic antiferromagnetic nanodiscs
Emma N. Welbourne*, Tarun Vemulkar, and Russell P. Cowburn
University of Cambridge, UK
We present an efficient and effective method for the production of a particularly high yield of well-defined, thin film based nanodiscs. These particles have robust and tunable magnetic properties, which make them ideal for a broad range of applications.
3873–3878
Epitaxial growth of CsPbBr3-PbS vertical and lateral heterostructures for visible to infrared broadband photodetection
Qingbo Liu1, Lihan Liang2, Hongzhi Shen2, Dehui Li2,*, and Hong Zhou1,*
1 Hunan University, China
2 Huazhong University of Science and Technology, China
The vapor phase epitaxial growth of all-inorganic perovskite CsPbBr3 upon lead sulfide nanoplate forms a novel CsPbBr3-PbS heterostructure extending the the optical absorption to short wave infrared. The heterostructure photodetectors exhibit rapid photoresponse with a detection wavelength up to ~ 2 μm.
3879–3885
Carbon dots modified Ti3C2Tx-based fibrous supercapacitor with photo-enhanced capacitance
Hui Wang1, Jingjing Cao1, Yunjie Zhou1, Xiao Wang1, Hui Huang1, Yang Liu1,*, Mingwang Shao1, and Zhenhui Kang1,2,*
1 Soochow University, China
2 Macau University of Science and Technology, China
Under photo-assisted charging, the nitrogen-doped carbon dots (NCDs) loaded on the NM2P1 fibre were excited by light to generate photo-induced carriers. The photo-generated electrons were transferred from NCDs to the Ti3C2Tx surface and enhanced the process of H3O+ insertion due to electrostatic action. The NM2P1 exhibits the ability of photo-enhanced capacitance under photo-assisted charging condition.
3886–3892
A GQD-based composite film as photon down-converter in CNT/Si solar cells
Xuewei Zhao1, Yizeng Wu1, Zhiyuan Xia1, Shulong Chang2, Yuanyuan Shang2,*, and Anyuan Cao1,*
1 Peking University, China
2 Zhengzhou University, China
Highly dispersed graphene quantum dots (GQDs) embedded in polyvinyl pyrrolidone (PVP) film were used as photon down-converter for carbon nanotube/silicon (CNT/Si) solar cells with a clear enhancement of external quantum efficiency (EQE) in ultraviolet (UV) region.
3893–3899
Nanomedicine-mediated ubiquitination inhibition boosts antitumor immune response via activation of dendritic cells
Jilong Wang1, Mengwen Huang1, Senbiao Chen1, Yingli Luo1, Song Shen1, and Xiaojiao Du1,2,*
1 South China University of Technology, China
2 Bioland Laboratory (Guangzhou Regenerative Medicine and Health Guangdong Laboratory), China
An effective tumor immunotherapy enhancer by the combination of ubiquitin-activating enzyme (UAE) inhibitor TAK-243 and cationic lipid-assisted nanoparticle, prevented protein degradation and accumulate whole cell tumor antigens by inhibiting the ubiquitin-proteasome system (UPS). It could evoke strong antitumor immune response by the enhanced tumor antigen presentation as well as dendritic cell (DC) maturation.
3900–3906
Surface-tuning nanoporous AuCu3 engineering syngas proportion by electrochemical conversion of CO2
Chao An1, Yongli Shen1, Wenxiu Yan1, Linxiu Dai1,2,*, and Changhua An1,*
1 Tianjin University of Technology, China
2 Peking University, China
It is showing that surface tuning ratio of Au/Cu over nanoporous AuCu3 can effectively engineer the syngas proportion in electrochemical reduction of CO2.
3907–3912
High drug loading and pH-responsive nanomedicines driven by dynamic boronate covalent chemistry for potent cancer immunotherapy
Wei Jiang1,2, Han Zhou2, Qin Wang2, Ziqi Chen2, Wang Dong2, Zixuan Guo2, Yong Li1, Wei Zhao1, Meixiao Zhan1,* Yucai Wang1,2,*, and Ligong Lu1,*
1 Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), China
2 University of Science and Technology of China, China
A pH-responsive boronate–phenolic network nanomedicine system serves as smart manipulators to efficient delivery and controlled release of bortezomib to tumors via dynamic boronate covalent chemistry, helping to enhance its tumor selectivity while lowering the risk of severe side effects, as well as eliciting a series of T cells-based responses by induction of immunogenic cell death.
3913–3920
The As-surface of an iron-based superconductor CaKFe4As4
Lu Cao1,2, Yang Song1,2, Ya-Bin Liu4, Qi Zheng1,2, Guangyuan Han1,2, Wenyao Liu1,2, Meng Li1,2, Hui Chen1,2, Yuqing Xing1,2, Guang-Han Cao4, Hong Ding1,2,3, Xiao Lin1,2, Shixuan Du1,2,3,*, Yu-Yang Zhang1,2, Geng Li1,2,3,*, Ziqiang Wang5, and Hong-Jun Gao1,2,3,*
1 Institute of Physics, Chinese Academy of Sciences, China
2 University of Chinese Academy of Sciences, China
3 Songshan Lake Materials Laboratory, China
4 Zhejiang University, China
5 Boston College, USA
The atomic resolution images show a lattice structure change from
to 1 × 1 under different bias voltages, suggesting that the terminal surface of CaKFe4As4 is As-surface.
3921–3925
Smoke suppressant in flame retarded thermoplastic polyurethane composites: Synergistic effect and mechanism study
Hongyuan Ren, Kelan Qing, Ying Chen, Yanjun Lin*, and Xue Duan
Beijing University of Chemical Technology, China
The strong chemical reaction between MgFe-layered double hydroxide (MgFe-LDH) and ammonium polyphosphate (APP) can promote the compactness of the carbon layer with fine structure, and the protective carbon layer can act as a barrier between the combustion zone and the substrate, thereby preventing the release of smoke and toxic gases.
3926–3934
Enhanced second-order Stark effect in twisted bilayer graphene quantum dots
Xian Wang1, Yingqi Cui2, Li Zhang1, and Mingli Yang1,*
1 Sichuan University, China
2 Zhengzhou Normal University, China
Band gaps of bilayer graphene quantum dots are widened by the interlayer twist, but narrowed by an electric field perpendicular to the flakes.
3935–3941
Bio-inspired construction of electrocatalyst decorated hierarchical porous carbon nanoreactors with enhanced mass transfer ability towards rapid polysulfide redox reactions
Shijie Zhang1,2, Yongshang Zhang1,2, Guosheng Shao1,2,*, and Peng Zhang1,2,*
1 Zhengzhou University, China
2 Zhengzhou Materials Genome Institute, China
Ant-nest-like electrocatalyst decorated hierarchical porous carbon has been constructed by a straightforward method via NaCl template. The obtained matrixes with enhanced mass transfer ability were served as sulfur species nanoreactors, enabling rapid polysulfide redox reactions.
3942–3951
Enhancing the long-term Na-storage cyclability of conversiontype iron selenide composite by construction of 3D inherited hyperbranched polymer buffering matrix
Hao Li1, Changchun Hu1, Yaping Xia1, Ting Li1,*, Daohong Zhang1,*, and Fei Xu2
1 South-Central University for Nationalities, China
2 Wuhan University, China
The in-situ constructing uniform three-dimensional (3D) flexible polymer network matrix enhances the long-term conversion electrode cyclability through chemical interaction.
3952–3960
Stoichiometric effect on electrical and near-infrared photo-detection properties of full-composition-range GaAs1−xSbx nanowires
Jiamin Sun1,2, Mingming Han1, Meng Peng2,3, Lei Zhang4, Dong Liu1,2, Chengcheng Miao1, Jiafu Ye2,5, Zhiyong Pang1, Longbing He4,*, Hailu Wang2, Qing Li5, Peng Wang2, Lin Wang2, Xiaoshuang Chen2, Chongxin Shan6, Litao Sun4, Weida Hu2,5,*, and Zai-xing Yang1,2,*
1 Shandong University, China
2 Shanghai Institute of Technical Physics, Chinese Academy of Science, China
3 Huazhong University of Science and Technology, China
4 Southeast University, China
5 University of Chinese Academy of Sciences, China
6 Zhengzhou University, China
High-quality GaAs1−xSbx NWs across the entire range of composition are prepared successfully by a simple and low-cost surfactant-assisted solid source chemical vapor deposition method for the systematic investigation of stoichiometry effect on NWs electrical and optoelectronic properties.
3961–3968
High-performance textile piezoelectric pressure sensor with novel structural hierarchy based on ZnO nanorods array for wearable application
Yongsong Tan1,2, Kun Yang1, Bo Wang1, Hui Li2, Lei Wang2,*, and Chaoxia Wang1,*
1 Jiangnan University, China
2 Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, China
A novel textile piezoelectric pressure sensor with the hierarchically sandwich structure is designed where the hexagonal wurtzite structure of ZnO nanorods grown on the surface of conductive polyster (PET) fabric is selected as piezoeletric sensing layer. The low detection limit (8.71 Pa), high output voltage (11.47 V), high sensitivity (0.62 V•kPa–1) and superior mechanical stability exhibit tremendous potential for self-powered smart clothing.
3969–3976
Low-temperature synthesis of Fe2(MoO4)3 nanosheets: A cathode for sodium ion batteries with kinetics enhancement
Ha Tran Huu1, N. S. M. Viswanath2, Ngoc Hung Vu3,4, Jong-Won Lee5,*, and Won Bin Im1,*
1 Hanyang University, Republic of Korea
2 Chonnam National University, Republic of Korea
3 Phenikaa University, Vietnam
4 Phenikaa Research and Technology Institute (PRATI), Vietnam
5 Daegu Gyeongbuk Institute of Science and Technology (DGIST), Republic of Korea
The Fe2(MoO4)3 nanosheets synthesized via low-temperature strategy perform a superior electrochemical reaction kinetics.
3977–3987
Near-infrared light-controllable bufalin delivery from a black phosphorus-hybrid supramolecular hydrogel for synergistic photothermal-chemo tumor therapy
Jiaqi He1, Guoqin Chen1, Peng Zhao2,*, and Caiwen Ou2,*
1 Guangzhou University of Chinese Medicine, China
2 Southern Medical University, China
The BP-bufalin@SH in which a composite of BPNSs and bufalin were wrapped realized the smart release of bufalin and the photothermal-chemo synergic therapy of cancer.
3988–3998
Homogenous lithium plating/stripping regulation by a massproducible Zn particles modified Li-metal composite anode
ZiLi Zhang1, Yang Jin1,*, Yu Zhao1, Jing Xu1, Bin Sun1, Kai Liu2, Hongfei Lu1, Nawei Lv1, Zhimin Dang1,2, and Hui Wu2
1 Zhengzhou University, China
2 Tsinghua University, China
Dramatic volume change of the electrode will introduce a decrease in capacity and safety issues during the electrochemical cycles. We propose a LiZn/Li metal composite anode via an easily mass-produced strategy. As anode material, the lithiophilic LiZn alloy particles can effectively regulate the current distribution on electrode surface, resulting in uniform Li plating/striping and suppressing the formation of Li dendrites or “dead Li”.
3999–4005
Evolution of dielectric loss-dominated electromagnetic patterns in magnetic absorbers for enhanced microwave absorption performances
Xiaogu Huang1, Man Qiao1, Xiaochi Lu2, Yafei Li3, Yabin Ma1, Bo Kang1, Bin Quan1,*, and Guangbin Ji4,*
1 Nanjing University of Information Science & Technology, China
2 Nanjing University of Posts and Telecommunications, China
3 Nanjing Normal University, China
4 Nanjing University of Aeronautics and Astronautics, China
A strategy of electromagnetic patterns regulation for the magnetic materials has been proposed to understand the loss contribution in micro/nano-scale magnetic absorbers. The presented results demonstrate that the dissipation contribution of permeability for magnetic materials is weaker than that of permittivity, in spite of significant role in determining the impedance matching characteristics.
4006–4013
Bimetallic nickel cobalt sulfides with hierarchical coralliform architecture for ultrafast and stable Na-ion storage
Yanyan He1, Caifu Dong3, Sijia He1, Huan Li1, Xiuping Sun2, Yuan Cheng1, Guowei Zhou1,*, and Liqiang Xu2,*
1 Qilu University of Technology (Shandong Academy of Sciences), China
2 Shandong University, China
3 Yantai University, China
A series of bimetallic hierarchical NixCo3–xS4 architectures with different Ni/Co contents are fabricated via facile solvothermal strategy, and the coralliform Ni1.01Co1.99S4 anode material delivers ultrastable and ultrafast Na-ion storage performance.
4014–4024
Tuned single atom coordination structures mediated by polarization force and sulfur anions for photovoltaics
Hongyu Jing1,2, Zhengyan Zhao1, Chunyang Zhang1, Wei Liu1, Danyang Wu1, Chao Zhu3,*, Ce Hao1, Jiangwei Zhang4,*, and Yantao Shi1,*
1 Dalian University of Technology, China
2 Tsinghua University, China
3 Southeast University, China
4 Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China
Inorganic sulfur anions-assisted salt melt method is highlighted as an effective strategy with great applicability in synthesis of carbon-supported single-atom catalysts (C-SACs).
4025–4032
High elasticity of CsPbBr3 perovskite nanowires for flexible electronics
Xiaocui Li1, You Meng1, Rong Fan1,2, Sufeng Fan1, Chaoqun Dang1, Xiaobin Feng1, Johnny C. Ho1,*, and Yang Lu1,3,*
1 City University of Hong Kong, Hong Kong, China
2 Dalian University of Technology, China
3 Shenzhen Research Institute of City University of Hong Kong, China
High flexural elasticity (~ 4% to ~ 5.1%) has been achieved in CsPbBr3 nanowires. The flexible photodetectors fabricated by CsPbBr3 nanowires exhibited excellent mechanical reliability during 5,000 times bending tests.
4033–4037
CsPbBr3 quantum dots photodetectors boosting carrier transport via molecular engineering strategy
Wei Yan1, Jianhua Shen1,*, Yihua Zhu1,*, Yiqing Gong1, Jingrun Zhu1, Zheng Wen2, and Chunzhong Li1,*
1 East China University of Science and Technology, China
2 Soochow University, China
3,4-Ethylenedioxythiophene (EDOT) as ligand was used to passivate the surface defects of perovskite quantum dots (PQDs) and form conjugated poly(3,4-ethylenedioxythiophene) (PEDOT) bridge by in-situ polymerization under the action of photocurrent to realize the free carrier transport between quantum dots.
4038–4045
Engineering tailorable TiO2 nanotubes for NIR-controlled drug delivery
Yue Xu, Chenxi Zhao, Xi Zhang, Jingwen Xu, Lingling Yang, Zhechen Zhang, Zhida Gao, and Yan-Yan Song*
Northeastern University, China
The near-infrared (NIR) stimuli-responsive monodispersed TiO2 nanotubes with tailorable morphology and component are prepared. The photocatalytical activities of these nanotubes are applied in constructing controllable drug delivery and bacteria killing system in NIR region.
4046–4055
Surface polarization enables high charge separation in TiO2 nanorod photoanode
Wei Ma, Keke Huang, Xiaofeng Wu, Meng Wang, and Shouhua Feng*
Jilin University, China
Hydroxyls induced surface polarization enables essentially improved charge separation in glycerol treated TiO2 (Gly-TiO2) photoanode, achieving a high charge separation efficiency (ηseparation) of about 94% at 1.23 VRHE.
4056–4062
Metal-organic framework-derived Ni/ZnO nano-sponges with delicate surface vacancies as anode materials for high-performance supercapacitors
Anchun Tang, Chubin Wan*, Xiaoyu Hu, and Xin Ju*
University of Science and Technology Beijing, China
The Ni/ZnO nano-sponges were successfully synthesized by the optimal annealing of Ni/ZnO metal-organic framework (MOF) in an inert atmosphere. The energy storage mechanisms and the structure of Ni/ZnO in the system were studied systematically.
4063–4072
Cobalt tungsten phosphide with tunable W-doping as highly efficient electrocatalysts for hydrogen evolution reaction
Bowei Zhang1,2, Chaojiang Li3, Jun Hu4,*, Dongdong Peng2, Kang Huang1, Junsheng Wu1,*, Zhong Chen2, and Yizhong Huang2,*
1 University of Science and Technology Beijing, China
2 Nanyang Technological University, China
3 Beijing Institute of Technology, China
4 Northwest University, China
The surface W doping of cobalt tungsten phosphide allows the reduction of hydrogen absorption free energy (ΔGH*) as well as the thermodynamic and kinetics barriers for water dissociation, which facilitates the electrochemical hydrogen evolution reaction.
4073–4078
Ultrathin lead-free double perovskite cesium silver bismuth bromide nanosheets
Jianmei Huang1,*, Shengwen Zou1, Jia Lin2, Zhiwei Liu1, and Mingjing Qi1,*
1 Beihang University, China
2 Shanghai University of Electric Power, China
The first anisotropic growth of two-dimensional Cs2AgBiBr6 nanosheets with thicknesses in the range of 3–5 nm and lateral dimensions of around 200 nm is reported. These nanosheets show a photoluminescence emission centered at ~ 630 nm. The dimensionality control from zero-dimensional nanocubes to two-dimensional nanosheets and chemical transformations are also explored.
4079–4086
Imaging the influence of oxides on the electrostatic potential of photovoltaic InP nanowires
Lukas Hrachowina, Xianshao Zou, Yang Chen, Yuwei Zhang†, Enrique Barrigón, Arkady Yartsev, and Magnus T. Borgström*
Lund University, Sweden
† Present address: Toyota Technological Institute, Japan
Depositing dielectric oxides necessary for many devices changes the electrostatic potential of nanowires. This effect needs to be considered and measured for device optimizations.
4087–4092
Tuning the performance of nitrogen reduction reaction by balancing the reactivity of N2 and the desorption of NH3
Lijuan Niu1, Dandan Wang2, Kang Xu3, Weichang Hao3, Li An1,*, Zhenhui Kang4,5,*, and Zaicheng Sun1,*
1 Beijing University of Technology, China
2 Jilin Normal University, China
3 Beihang University, China
4 Soochow University, China
5 Macau University of Science and Technology, Macau SAR, China
Combining of experiment and theory, we found that electrocatalytic nitrogen reduction is related to the three steps (adsorption of N2, hydrogenation of N2, and ammonia desorption), and the relationship is synergistic and mutually restrictive.
4093–4099
Oxygen vacancy promising highly reversible phase transition in layered cathodes for sodium-ion batteries
Kezhu Jiang1, Shaohua Guo1,*, Wei Kong Pang2, Xueping Zhang1, Tiancheng Fang1, Shao-fei Wang3,4, Fangwei Wang4,5,6, Xiaoyu Zhang7,*, Ping He1, and Haoshen Zhou1,8,*
1 Nanjing University, China
2 University of Wollongong, Australia
3 Institute of High Energy Physics, Chinese Academy of Sciences, China
4 University of Chinese Academy of Sciences, China
5 Beijing National Laboratory for Condensed Matter Physics Institute of Physics, Chinese Academy of Sciences, China
6 Songshan Lake Materials Laboratory, China
7 Jiangsu University, China
8 National Institute of Advanced Industrial Science and Technology (AIST), Japan
Introduce of abundant oxygen vacancies in Na0.9Ni0.3Co0.15Mn0.05Ti0.5O2 could make the irreversible O3-P3 phase transition turn out to be reversible, delivering the great enhancement of the initial Coulombic efficiency, reversible capacity, rate capability, and cycle life.
4100–4106
Multiband emission from single β-NaYF4(Yb,Er) nanoparticles at high excitation power densities and comparison to ensemble studies
Florian Frenzel1,4, Christian Würth1, Oleksii Dukhno2, Frédéric Przybilla2, Lisa M. Wiesholler3, Verena Muhr3, Thomas Hirsch3, Yves Mély2, and Ute Resch-Genger1,*
1 Federal Institute for Materials Research and Testing (BAM), Germany
2 University of Strasbourg, France
3 University of Regensburg, Germany
4 Humboldt-Universität zu Berlin, Germany
Multiband emission of β-NaYF4(Yb,Er) upconversion nanoparticles under increasing near infrared (NIR) excitation power density from 5 W/cm2 (ensemble studies) to 2.6 MW/cm2 (single particle studies) reveals the complex population and depopulation processes from higher Er3+ energy levels resulting in P-dependent changes in emission color.
4107–4115
Crystalline all-inorganic lead-free Cs3Sb2I9 perovskite microplates with ultra-fast photoconductive response and robust thermal stability
Sujit Kumer Shil1,2, Fei Wang1,3,*, Zhengxun Lai1, You Meng1, Yunpeng Wang3, Dongxu Zhao3, Mohammad Kamal Hossain1,4, Kingsley O. Egbo1, Ying Wang1, Kin Man Yu1,*, and Johnny C. Ho1,*
1 City University of Hong Kong, Hong Kong, China
2 Khulna University of Engineering & Technology (KUET), Bangladesh
3 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, China
4 Comilla University, Bangladesh
All-inorganic and lead-free Cs3Sb2I9 perovskite microplates are successfully synthesized by a two-step chemical vapor deposition method. Photoconductive devices fabricated using these microplates exhibit the ultra-fast response speed and superior thermal stability to function reversibly with a wide temperature range between 80 and 380 K.
4116–4124
High performance inkjet-printed QLEDs with 18.3% EQE: Improving interfacial contact by novel halogen-free binary solvent system
Ming Chen1, Liming Xie1, Changting Wei1, Yuan-Qiu-Qiang Yi1, Xiaolian Chen1, Jian Yang1, Jinyong Zhuang2, Fushan Li3, Wenming Su1,*, and Zheng Cui1
1 Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, China
2 Guangdong Juhua Printed Display Technol Company Ltd., China
3 Fuzhou University, China
A novel orthogonal halogen-free binary solvents system for inkjet-printed quantum dots-based light-emitting diodes (QLEDs) by manipulating interfacial contact with TFB layer is introduced. Ultimately, inkjet-printed red QLEDs were successfully fabricated and achieved a maximum external quantum efficiency (EQE) of 18.3%.
4125–4131
Single entity electrochemistry and the electron transfer kinetics of hydrazine oxidation
Ruiyang Miao1, Lidong Shao2, and Richard G Compton1,*
1 University of Oxford, UK
2 Shanghai University of Electric Power, China
A generic approach to the extraction of electron transfer kinetic data for complex, multi-step electrochemical reactions mediated via nano-particulate materials is presented and illustrated via investigation of hydrazine oxidation catalysed by palladium nanoparticles decorated graphene oxide nanoplatelets showing the first electron transfer to be rate-determining.
4132–4139
The influence of H2O and O2 on the optoelectronic properties of inverted quantum-dot light-emitting diodes
Zinan Chen, Zhiyuan Qin, Sikai Su, and Shuming Chen*
Southern University of Science and Technology, China
This paper discloses the influence of the annealing ambience on the conductivity of ZnMgO, and reveals the interaction of H2O/O2 and ultraviolet (UV) with the ZnMgO and its effect on the performance of the resultant inverted quantum-dot light-emitting diodes (QLEDs).
4140–4145
Achieving room-temperature M2-phase VO2 nanowires for superior thermal actuation
Yong-Qiang Zhang1, Kai Chen1, Hao Shen1, Yue-Cun Wang1, Mohamed Nejib Hedhili2, Xixiang Zhang2, Ju Li3,*, and Zhi-Wei Shan1,*
1 Xi'an Jiaotong University, China
2 King Abdullah University of Science and Technology (KAUST), Saudi Arabia
3 Massachusetts Institute of Technology, USA
High-yield M2-phase single-crystalline vanadium dioxide (VO2) nanowires (NWs) are synthesized and the actuation stress is significantly improved compared to the M1-phase VO2-based actuators. Our findings open new avenues towards enhancing the performance of VO2-based actuators by using M2–R transition.
4146–4153
Rechargeable quasi-solid-state aqueous hybrid Al3+/H+ battery with 10,000 ultralong cycle stability and smart switching capability
Hua Wang1, Panpan Wang1, Zhenyuan Ji1, Zhe Chen1, Jiaqi Wang1, Wei Ling1, Jie Liu1, Mengmeng Hu1, Chunyi Zhi2, and Yan Huang1,*
1 Harbin Institute of Technology, China
2 City University of Hong Kong, Hong Kong, China
A novel hydrogel-based electrolyte (PNIPAM-Al(NO3)3) is designed, the as-fabricated hybrid-ion batteries deliver extremely good cyclic stability (no decay after 10,000 cycles at 2 A∙g−1), and the thermoresponsive gel electrolyte endows batteries intrinsic thermal safety.
4154–4162
Quantifying 3D cell–matrix interactions during mitosis and the effect of anticancer drugs on the interactions
Yongman Liu1, Jianye Wang2,3, Yong Su1, Xiaohai Xu1, Hong Liu1, Kainan Mei1, Shihai Lan1, Shubo Zhang1, Xiaoping Wu1, Yunxia Cao2,3,*, Qingchuan Zhang1,*, and Shangquan Wu1,*
1 University of Science and Technology of China, China
2 The First Affiliated Hospital of Anhui Medical University, China
3 Anhui Medical University, China
A rapid and high-resolution three-dimensional traction force microscope method has been developed to reveal the three-dimensional mechanical force between a cell and the extracellular matrix during mitosis.
4163–4172
3D urchin like V-doped CoP in situ grown on nickel foam as bifunctional electrocatalyst for efficient overall water-splitting
Hongyao Xue1, Alan Meng1, Haiqin Zhang2, Yusheng Lin1, Zhenjiang Li1,*, and Chuansheng Wang1,*
1 Qingdao University of Science and Technology, China
2 Shandong Shida Shenghua Chemical Group Co., Ltd., China
A three-dimensional urchins like V-doped CoP electrode exhibits outstanding hydrogen evolution reaction (HER) performance under universal-pH conditions and preeminent performance toward oxygen evolution reaction (OER) in alkaline media.
4173–4181
Ultrahigh-temperature ferromagnetism in MoS2 Moiré superlattice/graphene hybrid heterostructures
Liang Cai*, Hengli Duan, Qinghua Liu, Chao Wang, Hao Tan, Wei Hu, Fengchun Hu, Zhihu Sun*, and Wensheng Yan*
University of Science and Technology of China, China
MoS2 Moiré superlattice (MS)/RGO hybrid structure with charge-transfer and covalent interactions is synthesized and designed to realize high-temperature ferromagnetism in MoS2 semiconducting nanosheets. The MoS2 MS hybrid structure exhibits an unprecedented ultrahigh Curie temperature of 990 K which originates from complete spin polarization of Mo 4d electrons near the Fermi level from the interfacial Mo-S-C bonds.
4182–4187
Composition-dependent micro-structure and photocatalytic performance of g-C3N4 quantum dots@SnS2 heterojunction
Sheng-Qi Guo1, Haijun Zhang2,*, Zhenzhong Hu1, Mengmeng Zhen1, Bo Yang4, Boxiong Shen1,*, and Fan Dong3
1 Hebei University of Technology, China
2 Civil Aviation University of China, China
3 University of Electronic Science and Technology of China, China
4 University of Science and Technology of China, China
Optimum composition can improve the microstructure of the material to obtain higher photocatalytic activity.
4188–4196
One-dimensional nanochains consisting of magnetic core and mesoporous aluminosilicate for use as efficient nanocatalysts
Tong Zhang1,2, Qin Yue1,*, Panpan Pan2, Yuan Ren2, Xuanyu Yang2, Xiaowei Cheng2, Fahad A. Alharthi4, Abdulaziz A. Alghamdi4, and Yonghui Deng2,3,*
1 University of Electronic Science and Technology of China, China
2 Fudan University, China
3 Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, China
4 King Saud University, Saudi Arabia
One-dimensional core–shell magnetic mesoporous aluminosilicate nanochain is designed through the magnetic-field direct interface assembly and post-treatment. Benefitting from the abundant acid sites, large and perpendicularly aligned mesopore channels, unique one-dimensional (1D) nanostructure, and fast magnetic respon-siveness, the magnetic mesoporous aluminosilicate nanochains serve as magnetically separable solid acid catalysts excellent catalytic performance in deprotection of benzaldehyde dimethylacetal to benzaldehyde with high selectivity, conversion and good recycling stability with regard to catalytic performance.
4197–4203
Miura folding based charge-excitation triboelectric nano-generator for portable power supply
Gui Li1, Guanlin Liu1,2, Wencong He1, Li Long1, Bangxing Li1, Zhao Wang1, Qian Tang1, Wenlin Liu1,*, and Chenguo Hu1,*
1 Chongqing University, China
2 Guangxi University, China
A portable electricity supply is realized by using Miura folding based triboelectric nanogenerator (MF-TENG), in which the charge excitation is used for the first time and the output performance is greatly boosted, demonstrating as a power supply for electronic devices.
4204–4210
Single-metal-atom site with high-spin state embedded in defective BN nanosheet promotes electrocatalytic nitrogen reduction
Cong Fang and Wei An*
Shanghai University of Engineering Science, China
High-spin-state MN2B2 sites with asymmetric ligands boost electrocatalytic N2 reduction reaction (eNRR).
4211–4219
Construction of hierarchical FeNi3@(Fe,Ni)S2 core–shell heterojunctions for advanced oxygen evolution
Minglei Yan1, Zhiyang Zhao1, Peixin Cui2, Kun Mao1, Chi Chen3, Xizhang Wang1, Qiang Wu1, Hui Yang3, Lijun Yang1,*, and Zheng Hu1,*
1 Nanjing University, China
2 Institute of Soil Science, Chinese Academy of Sciences, China
3 Shanghai Advanced Research Institute, Chinese Academy of Sciences, China
The unique hierarchical FeNi3@(Ni,Fe)S2 core–shell heterojunctions are conveniently constructed, which integrate the merits for promoting the oxyen evolution reaction (OER) performance. The optimized catalyst achieves high OER performance for the non-noble metal OER catalysts with a low overpotential of 288 mV at 100 mA∙cm–2 and a small Tafel slope of 48 mV∙dec–1. This study provides an effective way to explore the advanced earth-abundant OER electrocatalysts by constructing the heterojunctions between metal and corresponding metal-compounds via the convenient post treatment, such as nitridation, sulfidization, phosphorization, or oxidization.
4220–4226
A hybridized electromagnetic-triboelectric nanogenerator designed for scavenging biomechanical energy in human balance control
Long Liu1,2, Qiongfeng Shi1,2, and Chengkuo Lee1,2,*
1 National University of Singapore, Singapore
2 NUS Suzhou Research Institute (NUSRI), China
A hybridized electromagnetic-triboelectric nanogenerator (HETNG) is proposed to harvest biomechanical energy from human balance control processes. Along with inherent human balance control processes, body rotations of turning left and right, and actions of stepping up and down a platform are monitored by placing the HETNG at the upper position of the trunk.
4227–4235
Layer-by-layer slot-die coated high-efficiency organic solar cells processed using twin boiling point solvents under ambient condition
Yu Yang1, Erming Feng1, Hengyue Li1, Zichao Shen2, Wanrong Liu1, Jingbo Guo3, Qun Luo3, Jidong Zhang4, Guanghao Lu2,*, Changqi Ma3, and Junliang Yang1,*
1 Central South University, China
2 Xi’an Jiaotong University, China
3 Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, China
4 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
Sequentially layer-by-layer slot-die coating with the strategy of twin boiling point solvents was developed to fabricate efficient [(2,6-(4,8-bis(5-(2-ethylhexyl-3-fluoro)thiophen-2-yl)-benzo [1,2-b:4,5-b']dithiophene))-alt-(5,5-(1',3'-di-2-thienyl-5',7'-bis(2-ethylhexyl) benzo[1',2'-c:4',5'-c']dithiophene-4,8-dione)]:2,2'-((2Z,2'Z)-((12, 13-bis (2-ethylhexyl)-3,9-diundecyl-12,13-dihydro-[1,2,5]thiadiazolo[3,4-e] thieno[2'',3'':4'',5'']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno [3,2-b]indole-2,10-diyl)bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile (PM6:Y6) organic solar cells under ambient condition without any additive, exhibiting the power conversion efficiency up to 14.42%.
4236–4242
Enhanced efficiency of top-emission InP-based green quantum dot light-emitting diodes with optimized angular distribution
Dong Li, Jingwen Feng, Youqin Zhu, Zhigao Lu, Chen Pei, Zhuo Chen*, Yanzhao Li*, Xinguo Li*, and Xiaoguang Xu*
BOE Technology Group Co., Ltd., China
Enhanced properties of the green top-emission InP-based quantum dot light-emitting diode (QLED) devices are achieved. By optimizing the electrical and optical architecture in good agreement with each other, the devices exhibit both improved charge balance and vertical emission. As a result, the devices show a record-high current efficiency of 30.1 cd/A and narrowed full width at half maxima (FWHM) of 31 nm.
4243–4249
Highly dispersed Pt clusters encapsulated in MIL-125-NH2 via in situ auto-reduction method for photocatalytic H2 production under visible light
Xiubing Huang*, Xiangjun Li, Qingjie Luan, Kaiyue Zhang, Zhenyu Wu, Baozhen Li, Zuoshuai Xi, Wenjun Dong, and Ge Wang*
University of Science and Technology Beijing, China
The amino groups in MIL-125-NH2 first react with formaldehyde to form reducing groups, which can in situ auto-reduce the confined Pt2+ ions to ultrasmall and highly dispersed Pt clusters. The facilitated transfer and separation of the charger carriers lead to enhanced photocatalytic H2 production under visible light.
4250–4257
Charge trap-based carbon nanotube transistor for synaptic function mimicking
Jie Zhao1, Fang Liu1, Qi Huang1, Tongkang Lu1, Meiqi Xi1, Lianmao Peng1,2, and Xuelei Liang1,2,3,*
1 Peking University, China
2 Shanxi Institute for Carbon-Based Thin Film Electronics, Peking University (SICTFE-PKU), China
3 Taiyuan Laboratory for Carbon-Based Thin Film Electronics, China
Carbon nanotube thin film synaptic transistors were fabricated based on the charge-trapping effect, and a long-term memory of an image—“C”, “N”, and “T” was implemented by an array of 9 × 3 carbon nanotube (CNT) synaptic transistors.
4258–4263
Dual-stimuli responsive near-infrared emissive carbon dots/hollow mesoporous silica-based integrated theranostics platform for real-time visualized drug delivery
Zhongyin Chen1, Tao Liao1, Lihui Wan1, Ying Kuang2, Chang Liu1, Junlin Duan1, Xiangyu Xu1, Ziqiang Xu1,*, Bingbing Jiang1, and Cao Li1,*
1 Hubei University, China
2 Hubei University of Technology, China
Tumor microenvironment sensitive nanocarriers based on doxorubicin hydrochloride (DOX), near-infrared (NIR) emitting carbon dots, hollow mesoporous silica nanoparticles, and anionic polymer citraconic anhydride-modified polylysine are fabricated for imaging guided drug delivery.
4264–4273
Unraveling the synergetic mechanism of physisorption and chemisorption in laser-irradiated monolayer WS2
Yuanzheng Li1, Jiaxu Yan1, Jinping Chen2, Tong Yu1, Hang Ren1, Xiuling Liu3, Weizhen Liu1,*, Guochun Yang1, Chunxiang Xu2, Qiaoliang Bao4,*, Yichun Liu1, and Haiyang Xu1,*
1 Northeast Normal University, China
2 Southeast University, China
3 Changchun University of Science and Technology, China
4 Monash University, Australia
Understanding the adsorption mechanism in laser-irradiated transition metal dichalcogenides is highly desirable for improving their quantum efficiencies and constructing high-performance optoelectronic devices. Here, we unravel that the synergetic effect of physisorption and chemisorption is responsible for the photoluminescence enhancement in laser-irradiated monolayer WS2, where the physisorption dominates with more than 74% contribution.
4274–4280
High-yield and low-cost separation of high-purity semi-conducting single-walled carbon nanotubes with closed-loop recycling of raw materials and solvents
Fang Liu1, Xingxing Chen1, Haoming Liu1, Jie Zhao1, Meiqi Xi1, Hongshan Xiao1, Tongkang Lu1, Yu Cao1,2,3,*, Yan Li1,2,3, Lianmao Peng1,2,3, and Xuelei Liang1,2,3,*
1 Peking University, China
2 Shanxi Institute for Carbon-Based Thin Film Electronics, Peking University (SICTFE-PKU), China
3 Taiyuan Laboratory for Carbon-Based Thin Film Electronics, China
High-yield and low-cost separation of high-purity semiconducting single-walled carbon nanotubes are achieved by a closed-loop recycling strategy, in which raw materials (CNTs and polymers) and solvents were all recycled and reused for multiple separation cycles.
4281–4287
Spatiotemporal sectioning of two-photon fluorescence ellipsoid with a CsPbBr3 nanosheet
Yizhi Zhu, Jinping Chen, Qiannan Cui*, Heng Guo, Zhuxin Li, Zengliang Shi, and Chunxiang Xu*
Southeast University, China
We develop a new spatiotemporal sectioning technique of visualizing spatiotemporal evolution of two-photon fluorescence (TPF) ellipsoids. By recording time-resolved TPF spectra of an ultrathin luminescent medium at each spatial sectioning position along axial direction, TPF ellipsoids are spatiotemporally reconstructed.
4288–4293
Ultrathin-shell epitaxial Ag@Au core-shell nanowires for high-performance and chemically-stable electronic, optical, and mechanical devices
Yangzhi Zhu1,2, Sanggon Kim1, Xuezhi Ma1, Peter Byrley1, Ning Yu1, Qiushi Liu1, Xiaoming Sun3, Da Xu1, Sangshan Peng4, Martin C. Hartel5, Shiming Zhang6, Vadim Jucaud2, Mehmet R. Dokmeci2, Ali Khademhosseini2, and Ruoxue Yan1,*
1 University of California-Riverside, USA
2 Terasaki Institute for Biomedical Innovation, USA
3 Beijing University of Chemical Technology, China
4 Hunan University, China
5 University of California-Los Angeles, USA
6 The University of Hong Kong, Hong Kong, China
This paper reported a room-temperature solution-phase approach to grow an ultra-thin, epitaxial gold coating on silver nanowires (AgNWs) to effectively shield the Ag surface from environmental oxidation. The Ag@Au core-shell nanowires remain stable in air for over six months, under elevated temperature and humidity (80 °C and 100% humidity) for twelve weeks, which are expected to be employed for high-performance and chemically-stable electronic, optical, and mechanical devices.
4294–4303
Directional design and synthesis of high-yield hollow Fe-MFI zeolite encapsulating ultra-small Fe2O3 nanoparticles by using mother liquid
Yi Zhai1, Fumin Wang1, Xubin Zhang1,*, Guojun Lv2, Yuzhou Wu1, Tao Jiang1, Qing Zhang1, Mengyue Li1, Mengyao Li1, and Yongkui Liu1,*
1 Tianjin University, China
2 Jiangsu University of Science and Technology, China
Economical synthesis of high-yield hollow Fe-silicate-1 encapsulated ultra-small Fe2O3 nanoparticles was developed using mother liquid through precisely regulating the number and distribution of defect sites in zeolite and utilizing the residues in mother liquid. The abundant inner defect in parent zeolite obtained at 130 °C for one day, abundant TPAOH and crystal nuclei remaining in mother liquid are the crucial factors to this strategy.
4304–4313
Unveiling the origin of anomalous low-frequency Raman mode in CVD-grown monolayer WS2
Qian Xiang1,5, Xiaofei Yue2, Yanlong Wang1,*, Bin Du3, Jiajun Chen2, Shaoqian Zhang1, Gang Li1, Chunxiao Cong2,*, Ting Yu4,*, Qingwei Li1, and Yuqi Jin1
1 Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China
2 Fudan University, China
3 Xi’an Polytechnic University, China
4 Nanyang Technological University, Singapore
5 University of Chinese Academy of Sciences, China
The significantly enhanced sample–substrate coupling in chemical vapor deposition (CVD)-grown monolayer tungsten disulfide (WS2) compared with the transferred film is clearly uncovered by low-wavenumber Raman spectroscopy and leads to tensile strain on the as-grown sample, which is induced during the cooling process of growth.
4314–4320
Tuning the oxidation state of Ru to surpass Pt in hydrogen evolution reaction
Rongpeng Ma1,2, Ying Wang1, Guoqiang Li1, Long Yang1, Shiwei Liu1, Zhao Jin1, Xiao Zhao3,*, Junjie Ge1,2,*, and Wei Xing1,2,*
1 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
2 University of Science and Technology of China, China
3 Jilin University, China
The high dispersion of RuP clusters encapsulated in few layers of N, P-doped carbon can efficiently promote water electrolysis and exhibited a lower voltage and extraordinary stability as a cathode for proton exchange membrane water electrolysis (PEMWE).
4321–4327
Reconfigurable photovoltaic effect for optoelectronic artificial synapse based on ferroelectric p–n junction
Yanrong Wang1,3,4, Feng Wang1,3, Zhenxing Wang1,3,*, Junjun Wang1,3, Jia Yang1,3, Yuyu Yao1,3,4, Ningning Li1,3,4, Marshet Getaye Sendeku1, Xueying Zhan1, Congxin Shan5, and Jun He2,*
1 National Center for Nanoscience and Technology, China
2 Wuhan University, China
3 University of Chinese Academy of Sciences, China
4 Sino-Danish Centre for Education and Research, China
5 Zhengzhou University, China
The photovoltaic effect of the MoTe2/α-In2Se3 ferroelectric p–n junction can be tuned non-volatilely through the polarization in α-In2Se3, thereby realizing the driving-voltage-free optoelectronic synaptic device.
4328–4335
Covalent interfacial coupling of vanadium nitride with nitrogenrich carbon textile boosting its lithium storage performance as binder-free anode
Di Zhao1, Jinwen Qin1, Lirong Zheng2, Donglei Guo3, Jie Wang1, and Minhua Cao1,*
1 Beijing Institute of Technology, China
2 Institute of High Energy Physics, Chinese Academy of Sciences, China
3 Luoyang Normal University, China
A lightweight and binder-free vanadium nitride (VN) nanosheet network in situ grown on nitrogen-rich (N-rich) carbon textile substrate (N-C@P-VN) is synthesized using cheap cotton cloth as template. The N-rich carbon textile substrate is used both as current collector and host to store Li+, thus leading to high specific capacity and rate performance of VN.
4336–4346
Rational design of palladium single-atoms and clusters supported on silicoaluminophosphate-31 by a photochemical route for chemoselective hydrodeoxygenation of vanillin
Xiaowen Lu1, Chunmu Guo2, Mingyang Zhang1, Leipeng Leng1, J. Hugh Horton1,3, Wei Wu2,*, and Zhijun Li1,*
1 Northeast Petroleum University, China
2 Heilongjiang University, China
3 Queen’s University, Canada
We report an efficient photochemical route to access palladium single atoms and clusters supported on silicoaluminophosphate-31 as a highly active and selective catalyst for hydrodeoxygenation of vanillin under mild conditions. Experimental and characterization results reveal the high activity originates from the synergistic effect of the positively charged palladium single atoms and fully exposed clusters, along with the strong metal-support interactions.
4347–4355
Highly active bifunctional catalyst: Constructing FeWO4-WO3 heterostructure for water and hydrazine oxidation at large current density
Fang Shen1, Zhenglin Wang1, Yamei Wang1, Guangfu Qian1, Miaojing Pan1, Lin Luo1, Guoning Chen2, Hailang Wei2, and Shibin Yin1,*
1 Guangxi University, China
2 Guangxi Bossco Environmental Protection Technology Co., Ltd, China
The heterostructure FeWO4-WO3 catalyst exhibits low potential for oxygen evolution reaction (OER) (η10 = 1.43 V, η1,000 = 1.56 V) and hydrazine oxidation reaction (HzOR) (η10 = –0.034 V, η1,000 = 0.164 V), and can work for 100 h at large current density.
4356–4361
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