【预告】《分子光电科学》系列讲座 | Circular Carbon Economy for a Rapid ...

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此讲座由天津市分子光电科学重点实验室主办，于2020年9月16日14:00开始，授权蔻享学术进行网络直播。


主题：Circular Carbon Economy for a Rapid Climate Recovery
主讲人：Cafer T.Yavuz

单位：Korea Advanced Institute of Science and Technology 

时间：2020年9月16日 14:00
主办方：天津市分子光电科学重点实验室

报告摘要

The natural carbon cycle needs large scale CO₂ capture, storage and conversion to accommodate the excess emissions. A sustainable circular carbon economy would require new pathways since the current technologies and CO₂ market are far too insufficient. We studied effective carbon capture strategies and built over 200 porous polymers with ranging functionalities. Azo linked frameworks yielded an unprecedented N2-phobic behavior not previously observed. To increase CO₂ binding and the purity of the captured CO₂, we investigated high amine loading structures and found that moist CO₂ is even more favorable in carbon capture with amines and there is a unique wrapping mechanism. For CO₂ fixation, we chose a redox path of dry reforming and a favorable, non-redox reaction of CO₂ cycloaddition to epoxides to provide more than 10 gigatons of CO₂ fixation, a 2050 target set by the National Academy of Sciences of the USA. In dry reforming of methane, we developed a Ni-Mo-MgO nanocatalyst that runs over 850 hours of continuous activity, a record for non-noble catalysts without coking or sintering. We identified a novel mechanism that requires nanocatalysts to be on single crystal edges (NOSCE). For the non-redox CO₂ fixation into cyclic carbonates, we developed a new imidazolinium catalyst forming a Lewis acid/base pair that catalyzes even ambient pressure CO₂ without any need for solvents, co-catalysts or metals.

主讲人介绍

Professor in Korea Advanced Institute of Science and Technology (KAIST) and editorial board member of Chem.

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