寿恒讲堂第371讲(黄维扬,香港理工大学)

作者:责任编辑:发布时间:2024-04-03浏览次数:40

报告题目:Recent Advances of Bottom-up 2D Metal Complex Nanosheets

报 告 人黄维扬,香港理工大学

时  间:2024年4月12日下午15:00

地  点:莫干山校区化工5号楼B306

报告摘要

Nanosheet materials have attracted significant attention because of their unique electronic and physical properties. Graphene and other 2D inorganic sheet assemblies of metal chalcogenides are prominent nanosheet materials which are widely exploited in electronics, photonics, and spintronics technologies, because 2D materials possess close affinity with those used in the silicon-based electronics. Most of these nanosheets have been synthesized via exfoliation of bulk layered materials, which is a top-down method. In contrast, “bottom-up” nanosheets are generally synthesized directly from organic compounds, ligands, and/or metal ion connectors, and their composition, structure, and properties can be tuned at will by tailoring the constituent components used. This is a strong point of using bottom-up nanosheet against the top-down congener. However, application studies of the bottom-up 2D metal-complex nanosheets are still very rare. In this lecture, the bottom-up synthesis of some functional 2D metal complex nanosheets from molecular precursors will be presented which can be monometallic or bimetallic in nature. Both single-layer and multilayer 2D nanosheets will be developed depending on the fabrication method. The ligand structure can be easily altered in terms of the spacer group and the number of arms. The metal complexes can be modified to show significant π-conjugation and intense absorptions in the visible and near-infrared region, which will be useful for the construction of photoresponsive and semiconductive nanosheets. The resulting nanosheets are shown to find wide applications in optoelectronics and catalysis.

报告人简介:

黄维扬,香港理工大学理学院院长、应用生物及化学科技学系讲座教授和欧雪明能源教授。现为香港化学会主席,担任多种国际期刊的编委和顾问成员:Journal of Materials Chemistry C副主编,Topics in Current Chemistry主编,Energy Advances 副主编和Journal of Organometallic Chemistry编辑。专注于金属有机聚合物/配合物的设计、合成及其光电应用研究,曾连续七年入选汤森路透/科睿唯安高被引科学家,H-索引指数为91,获英国皇家化学会会士、香港裘槎基金会优秀科研者奖、英国皇家化学会过渡金属化学奖(首位华人)、教育部高校自然科学奖一等奖、亚洲化学会联合会杰出年青化学家奖、何梁何利基金科学与技术创新奖、国家自然科学奖二等奖(排名第一)、教育部长江学者讲座教授和香港青年科学院创院院士称号等奖项或称号,2023年当选欧洲科学院(EurASc)外籍院士。