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Recent Advances of 2D Metal-Complex Nanosheets
時間：2023-12-26
來源：安眾福
作者：
攝影： 編輯：馮羽璐
上傳：
報告題目：Recent Advances of 2D Metal-Complex Nanosheets
報告人：黃維揚教授
報告人單位：香港理工大學
報告時間：2023年12月27日（星期三）16:30
會議地點：科技D樓1903會議室
舉辦單位：柔性電子（未來技術）學院、先進材料研究院
報告人簡介：黃維揚，現為香港理工大學理學院院長、應用生物及化學科技學系講座教授和歐雪明能源教授。1992年獲香港大學化學專業一級榮譽學士學位；1995年獲香港大學博士學位；1996至1997分別于美國德州農工大學和英國劍橋大學從事博士后研究。現為香港化學會主席；長期擔任多種國際期刊的編委和國際編委顧問成員：曾任Journal of Materials ChemistryC副主編（2013-2022），現任Topics in Current Chemistry主編，Energy Advances 副主編和Journal of Organometallic Chemistry編輯。長期專注于無機化學中金屬有機聚合物/配合物的設計、合成及其光電應用等領域的基礎與應用研究。2014-2020年連續七年入選為湯森路透/科睿唯安高被引科學家，H-索引指數為91，獲英國皇家化學會會士、香港裘槎基金會優秀科研者獎、英國皇家化學會過渡金屬化學獎(首位華人)、國家教育部高校自然科學獎一等獎（排名第一）、亞洲化學會聯合會杰出年青化學家獎、何梁何利基金科學與技術創新獎、國家自然科學獎二等獎（排名第一）、日本光化學學會亞洲及泛洋洲光化學科學家講學獎、香港研資局高級研究學者獎、國家教育部重要人才計劃講座教授和香港青年科學院創院院士稱號等獎項或稱號。
報告摘要：Nanosheet materials have attracted significant attention because of their unique electronic and physical properties, which derive from their two-dimensional (2D) nature. 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 (i.e. gas-liquid or liquid-liquid interfacial synthesis). 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.
審核：安眾福
