应交叉科学研究中心王广通副教授的邀请，香港城市大学化学系助理教授范战西博士于2020年12月7日（周一）举行线上学术报告，欢迎感兴趣的师生参加。

报告时间：2020年12月7日（周一）上午10:00-11:00

报告地点：腾讯会议，会议 ID：818 166 687，会议密码：3416。

会议直播: https://meeting.tencent.com/l/e5jDAWofA148

报告标题：Crystal Phase-Controlled Synthesis of Noble Metal Nanomaterials

报告摘要：In the past two decades, although significant progress has been achieved for the size, composition, shape and architecture manipulation of noble metal nanomaterials, the crystal phase-controlled synthesis remains a great challenge. As the electronic structure and optical response of noble metals are closely related to their crystal structure, the target synthesis of noble metal nanomaterials with unusual crystal phases could benefit many of their potential applications, such as surface-enhanced Raman scattering (SERS), organic catalysis, electrocatalysis, waveguide, biosensing and near-infrared photothermal therapy. In this presentation, I will talk about our efforts towards this newly emerged research direction in the following three parts. First, by using colloidal methods, free-standing Au nanostructures with unconventional 4H phase and well-defined fcc-2H-fcc heterophase have been synthesized under mild conditions for the first time. Then, we found that surface modification can induce a complete phase transformation of ultrathin Au square sheets from (110)h-oriented 2H to (100)f-oriented fcc structures, which is a new phase transition pathway of close-packed metals/alloys. Last but not the least, we demonstrated that a series of novel bi-/multi-metallic core-shell nanomaterials was obtained by using a templated synthetic strategy, in which 4H Pd, Pt, Ir, Rh, Ru, Os, Cu, PdAg, PtAg and PtPdAg nanostructures have been first observed.

报告人简介：范战西，香港城市大学化学系助理教授，全球高被引学者，博士生导师。2010年在吉林大学化学系获得学士学位（导师：杨柏教授和张皓教授），随后于2015年在新加坡南洋理工大学获得博士学位（导师：张华教授，欧洲科学院外籍院士、亚太材料科学院院士、英国皇家化学会会士）。曾分别在美国劳伦斯伯克利国家实验室和南洋理工大学开展博士后研究工作。主要从事低维金属和金属基纳米材料及其催化应用方面的研究，在非常规晶相金属纳米结构的胶体法合成、晶相转变和模板法生长，金属-半导体复合纳米材料的构筑，以及小分子催化转化等前沿领域取得了一系列研究成果。迄今，已获得美国授权专利1项，并在SCI收录国际核心期刊上发表论文70篇（含ESI高被引论文17篇），其中第一/共一/通讯作者论文19篇；论文总引10100余次，H指数为44。近5年以来，以第一/共一/通讯作者发表论文Nature Rev. Chem. (1篇)，Nature Protoc. (1篇)，Nature Commun. (3篇)，Chem. Soc. Rev. (1篇)，Acc. Chem. Res. (2篇)，J. Am. Chem. Soc. (3篇)，Angew. Chem. Int. Ed. (1篇)，Adv. Mater. (1篇)，Adv. Energy Mater. (1篇)，Chem. Sci. (2篇)，Small (1篇)等。曾入选/获得2018、2019和2020年科睿唯安“全球高被引学者”、2015年欧洲材料研究学会“青年科学家奖”、2016年新加坡南洋理工大学“博士研究卓越奖”和2015年中国“国家优秀自费留学生奖学金”等。目前担任 Chin. Chem. Lett.（中国化学快报）和 Rare Met.（稀土金属）青年编委。