报告人：Xiong Wen (David) Lou（Nanyang Technological University, Singapore）
9:20-10:10报告二题目：Functional nanomaterials for electrocatalysis and electrochemical energy harvesting报告人：Xin WANG（Nanyang Technological University, Singapore）
10:10-10:20茶歇10:20-11:10报告三
题目：Improving Electron Transport in Nanostructured TiO2Electrode
报告人：Bin Liu（Nanyang Technological University, Singapore）
11:10-12:00报告四题目：Site-Specific Colloidal Synthesis
报告人：Hongyu Chen（Nanyang Technological University, Singapore）
报告一:Hollow Nanostructures for Lithium Sulfur Batteries
Xiong Wen (David) Lou(xwlou@ntu.edu.sg)
School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
Abstract: Hollow nanostructures are promising as electrode materials for electrochemical energy storage, including lithium-ion batteries, supercapacitors and lithium-sulfur batteries. We have designed carbon hollow structures to fabricate advanced cathode materials for lithium-sulfur batteries. Most recently, we also designed some hollow structures of carbon-metal oxide including MnOx-carbon and TiOx-carbon for lithium sulfur batteries.
Biography:Dr. David Lou received his B.Eng. (1stclass 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 Assistant Professor, where he is currently a Full Professor since September 2015. He has published about 230 papers with a total ISI citation of 27,200, and an h-index of 96. His main research interest is on designed synthesis of nanostructured materials for energy and environmental applications. He was listed as a Highly Cited Researcher by Thomson Reuters in 2014 (in Materials Science) and 2015 (in both Materials Science Chemistry).He is currently an Associate Editor forJournal of Materials Chemistry A.
报告二:Functional nanomaterials for electrocatalysis and electrochemical energy harvesting
Xin WANG(WangXin@ntu.edu.sg)
School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore
Abstract:Functional nanomaterials play important role in the development of efficient and stable electrocatalyst for electrochemical energy harvesting and environmental applications. Targeting these applications, in this talk I will introduce the main research focus and progress in our group, which includes three aspects: 1) Electrocatalyst development for fuel cell applications; 2) non-noble metal based electrocatalyst for water splitting; and 3) modification of Cu based electrode for CO2electro-reduction towards hydrocarbons.
Biography:Dr. Xin Wang received his Bachelor (1994) and Master (1997) degrees in Chemical Engineering from Zhejiang University, and Ph. D (2002) in Chemical Engineering from Hong Kong University of Science and Technology. From 2003 to 2005, he worked as a research fellow at University of California, Riverside, and concurrently, as R D director and vice president for a startup fuel cell company listed in NASDAQ. He joined Nanyang Technological University as assistant professor in 2005 and was promoted to associate professor with tenure in 2010. He has been working on electrocatalysis and electrochemical technology for energy harvesting. His recent research focus includes 1) electrocatalyst and electrode development for fuel cells, CO2electro-reduction and water splitting, and 2) electrochemical reactor with co-generation of electricity and valuable chemicals. He has published over 150 SCI papers with citations over 11,000 and H index of 55 (Google scholar), including Nature Energy, JACS, Angewandte Chemie, Advanced Materials, Energy Environmental Science, etc. He is also listed as inventor of 6 US/international patents with one licensed to a start-up company. He is currently and a Fellow of Royal Society of Chemistry (FRSC) and an associate editor of RSC Advances.
报告三:Improving Electron Transport in Nanostructured TiO2Electrode
Bin Liu(liubin@ntu.edu.sg)
School of Chemical and Biomedical Engineering, Nanyang Technological University
Abstract:Titanium dioxide (TiO2) is one of the most widely used semiconductors in photovoltaics and photocatalysis because it is nontoxic, abundant, stable and photoactive. However, the wide bandgap, low electron mobility and short minority carrier diffusion length of TiO2limit its quantum efficiency in these applications. In this work, we present a solution chemical approach for making TiO2nanostructures for improving the electron transport in nanostructured TiO2electrodes.
Biography:Dr. Bin Liu received his B.Eng. (1stClass Honors) and M.Eng. degrees in Chemical Engineering from the National University of Singapore, and obtained his Ph.D. degree in Chemical Engineering from University of Minnesota in 2011. Thereafter, he moved to University of California, Berkeley and worked as a postdoctoral researcher in Department of Chemistry during 2011 – 2012 before joining School of Chemical and Biomedical Engineering at Nanyang Technological University as an Assistant Professor in 2012. His main research interests are electrocatalysis, photovoltaics and photoelectrochemistry. More information can be found at http://www.ntu.edu.sg/home/liubin/home.html.
报告四:Site-Specific Colloidal Synthesis
Hongyu Chen
Division of Chemistry Biological Chemistry, School of Physical Mathematical Sciences
Nanyang Technological University, Email:hongyuchen@ntu.edu.sg
Abstract:Nanosynthesis is an emerging field studying the creation of nanostructures. Despite tremendous progress, the synthetic capabilities are still largely limited to simple component and symmetrical nanocrystals. The first part of this talk will give an overview on the research activities in the Chen Group, where various complex nanostructures may find unexpected application via collaborations. The second part will focus on the mechanisms of growing specific structures onto colloidal nanoparticles, leading to our recent discoveries. Going beyond individual shapes, additional growth of a shaped domain onto an existing structure would enable arbitrary structural manipulation towards tailored nano-hybrids. In this talk, I will discuss a method to maintain a ligand-deficient “fresh” surface to confine the site of growth in a colloidal system. With the symmetry broken, Ag nanowire and triangular prism are sequentially grown from a colloidal Au seed with well-defined shapes. Our ability in the dynamic control of “fresh” and “old” surfaces allows selective growth at a single site/direction, thus opening doors to sophisticated synthetic designs and broadening the horizon of our search for synergistic effects and functional architectures.
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