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Synthesis and Applications of Novel Two-Dimensional Nanomaterials

来源：
报告题目   Synthesis and Applications of Novel Two-Dimensional Nanomaterials
报告人   Prof. ZHANG Hua
报告人单位   Nanyang Technological University
报告时间   2016-06-16
报告地点   中国科学技术大学环境资源楼939会议室
主办单位   合肥微尺度物质科学国家实验室、中国科学技术大学化学与材料科学学院
报告介绍
Abstract：
In this talk, I will summarize the recent research on synthesis, characterization and applications of two-dimensional nanomaterials in my group. I will introduce the synthesis and characterization of novel low-dimensional nanomaterials, such as graphene-based composites including the first-time synthesized hexagonal-close packed (hcp) Au nanosheets (AuSSs) on graphene oxide, surface-induced phase transformation of AuSSs from hcp to face-centered cubic (fcc) structures, the 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 as well as the epitaxial growth of Ag, Pt and Pd on 4H Au NRBs to form the 4H/fcc Au@Ag, Au@Pt and Au@Pd core–shell NRBs, and the epitaxial growth of metal and semiconductor nanostructures on solution-processable transition metal dichalcogenide (TMD) nanoshees at ambient conditions, single- or few-layer metal dichalcogenide nanosheets and hybrid nanomaterials, the large-amount, uniform, ultrathin metal sulfide and selenide nanocrystals, other 2D nanomaterials, nanodots prepared from 2D nanomaterials, and self-assembled 2D nanosheets and chiral nanofibers from ultrathin low-dimensional nanomaterials. Then I will demonstrate the applications of these novel nanomaterials in chemical and bio-sensors, solar cells, water splitting, hydrogen evolution reaction, electric devices, memory devices, conductive electrodes, other clean energy, etc.

Biosketch：
　　Prof.Zhang obtained his Ph.D. at Peking University in China in July 1998. He joined Prof. Frans C. De Schryver’s group as a Research Associate in January 1999. Then he moved to Prof. Chad A. Mirkin’s group in July 2001. 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 on March 1, 2011, and Full Professor on Sept. 1, 2013. Dr. Zhang’s research is highly interdisciplinary. His current research interests focus on synthesis of two-dimensional nanomaterials (graphene and transition metal dichalcogenides), carbon materials (graphene and CNTs) and their hybrid composites for various applications in nano- and biosensors, clean energy, water remediation, etc. He has published 328 paperswith H-index of 79. Some of his papers have been published in Science (1), Nat. Chem. (3), Nat. Commun. (6), Sci. Adv. (1), etc.

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