12月23日应用化学系列讲座
报告题目1：Synthesis and Applications of Novel Two-Dimensional Nanomaterials
报 告 人：Prof. Hua Zhang
单 位：Nanyang Technological University, Singapore
报告时间：2014年12月23日 (星期二)上午8:00
报告地点：教育大厦6040室
Dr. Hua Zhang obtained his B.S. and M.S. degrees at Nanjing University in China in 1992 and 1995, respectively, and completed his Ph.D. with Prof. Zhongfan Liu at Peking University in China in July 1998. He joined Prof. Frans C. De Schryver’s group at Katholieke Universiteit Leuven (KULeuven) in Belgium as a Research Associate in January 1999. Then he moved to Prof. Chad A. Mirkin’s group at Northwestern University as a Postdoctoral Fellow in July 2001. He started to work at NanoInk Inc. (USA) as a Research Scientist/Chemist in August 2003. After that, he worked as a Senior Research Scientist at Institute of Bioengineering and Nanotechnology in Singapore from November 2005 to July 2006. 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.
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 nanostructures on graphene oxide, and the epitaxial growth of Pd, Pt and Ag nanostructures on solution-processable MoS2 nanoshees at ambient conditions , single-orfew-layer metal dichalcogenide nanosheets and hybrid nanomaterials,and large-amount,uniform,ultrathin metal sulfide and selenide nanocrystals. 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.
报告题目2：Rational Materials Design for Ultrafast Rechargeable Lithium-ion Batteries
报 告 人：Prof. Xiaodong Chen
单 位：Nanyang Technological University, Singapore
报告时间：2014年12月23日 (星期二)上午9:30
报告地点：教育大厦6040室
Dr. Xiaodong Chen is Professor at the School of Materials Science and Engineering, Nanyang Technological University (Singapore). He received his B.S. degree (Honors) in chemistry from Fuzhou University (China) in 1999, M.S. degree (Honors) in physical chemistry from the Chinese Academy of Sciences in 2002, and Ph.D. degree (Summa Cum Laude) in biochemistry from University of Muenster (Germany) in 2006. After his postdoctoral fellow working at Northwestern University (USA), he started his independent research career as Nanyang Assistant Professor at Nanyang Technological University since 2009. Since Sept 2013, he was promoted to Professor with tenure. His research interests include integrated nano-bio interface and programmable materials for energy conversion. So far, He has published over 130 scientific articles, including in Nature Nanotech, Nature Chemistry, Nature Communications, JACS, Angew Chem, and Adv Mater, and has given more than 100 invited talks/seminars. Since November 2013, he is the associate editor of Nanoscale. In addition, he is the editorial advisory board member of Advanced Materials, Scientific Reports, and Journal of Laboratory Automation. He has been awarded more than ten prestigious awards and fellowships including the precious Singapore NRF Fellowship, the Tan Chin Tuan Exchange Fellowship, and the best PhD Dissertation award at the University of Muenster.
报告题目3：Synthesis of Nanostructured Metal Oxide/Sulfide Materials and Their Applications in Lithium-ion Batteries and Supercapacitors
报 告 人：Prof. Xiong Wen (David) LOU
单 位：Nanyang Technological University, Singapore
报告时间：2014年12月23日 (星期二)上午10:30
报告地点：教育大厦6040室
Dr. David Lou received his B.Eng. (1st class honors) (2002) and M.Eng. (2004) degrees from the National University of Singapore. He obtained his Ph.D. degree in chemical engineering from Cornell University in 2008. Right after graduation, he joined Nanyang Technological University (NTU) as an Associate Professor. He was promoted to Professor since September 2013. As of December 2014, he has published about 190 peer-reviewed papers with a total ISI citation of >15,000, and an H-index of 70. His main research interest is on designed synthesis of nanostructured materials for energy and environmental applications. In particular, he has strong interest on synthesis of hollow nanostructures for different applications, such as, lithium-ion batteries and supercapacitors. He also explores the applications of novel nanostructured materials for electrocatalysis and photocatalysis. He has received several important awards including the Young Scientist Award 2012 by National Academy of Science of Singapore. He also received the Nanyang Research Award 2012 by Nanyang Technological University. He was listed as one Highly Cited Researcher 2014 by Thomson Reuters. He serves as one editorial Board member and Associate Editor for Journal of Materials Chemistry A since 2012.
In this talk, I will briefly discuss three types of metal oxides based on three different lithium storage mechanisms. (i) Specifically, we have synthesized hollow SnO2 nanostructures by both templating and template-free methods, and further engineered them into SnO2-carbon composite hollow structures to achieve significantly improved lithium storage properties. (ii) We also try to improve the lithium insertion properties of TiO2 polymorphs by engineering the crystal facets and nanostructures. (iii) We have also demonstrated the concept for conversion reaction compounds (e.g., Fe2O3) showing that the cycling performance can be improved by creating a porous/hollow structure. (iv) Lastly, I will talk about some of our most recent works about mixed metal oxide/sulide materials for LIBs and supercapacitors.
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