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2017-10-16 17:59  




Crystal Phase-Controlled Synthesis of Novel Noble Metal Nanomaterials

应ag亚集团官方网站邱介山教授邀请,新加坡南洋理工大学张华教授将于10月20日下午14:00在主楼B302做题为“Crystal Phase-Controlled Synthesis of Novel Noble MetalNanomaterials”的学术报告,张华教授在二维纳米材料及碳纳米材料的制备及表征、应用 (生物传感、清洁能源等) 领域取得了一系列令人瞩目的成就,热忱欢迎各位老师和同学前来参加交流。


Dr. Hua Zhang completed his Ph.D. with Prof. Zhongfan Liu at Peking University in 1998. He joined Prof. Frans C. De Schryver’s group at KULeuven Belgium as a Research Associate in 1999. Then he moved to Prof. Chad A. Mirkin’s group at Northwestern University as a Postdoctoral Fellow. He started to work at NanoInk Inc.. After that, he worked as a Senior Research Scientist at IBN in Singapore. Then he joined the School of Materials Science and Engineering in Nanyang Technological University (NTU) as an Assistant Professor. He was promoted to a tenured Associate Professor in 2011, and Full Professor in 2013.


In this talk, He will summarize the recent research on the crystal phase-controlled synthesis of novel noble metal nanomaterials in his group. It includes the first-time synthesis of hexagonal-close packed (hcp) Au nanosheets (AuSSs) on graphene oxide, surface-induced phase transformation of AuSSs from hcp to face-centered cubic (fcc) structures, alternating hcp/fcc Au square-like plates from AuSSs, ultrathin Au nanowires containing hcp phase, synthesis of ultrathin fcc Au@Pt and Au@Pd rhombic nanoplates through the epitaxial growth of Pt and Pd on the hcp AuSSs, respectively, the first-time synthesis of 4H hexagonal phase Au nanoribbons (NRBs) and their phase transformation to fcc Au RNBs, the epitaxial growth of Ag, Pt, Pd, PtAg, PdAg, PtPdAg, Rh, Ir, Ru, Os and Cu on 4H Au NRBs to form the 4H/fcc Au@metal core–shell NRBs, and the synthesis of 4H/fcc-Au@metal sulfide core-shell NRB heterostructures.

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