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美国威斯康辛麦迪逊大学Song Jin教授讲座通知

2018年06月26日 18:18  点击:[]

       应实验室邀请,美国威斯康辛麦迪逊大学Song Jin教授将于7月3日(周二)访问实验室,并为实验室师生举办学术讲座,请实验室师生积极参加交流。

 

       讲座时间:7月3日(周二)上午10:00-11:00,

 

       讲座地点:能动学院北二楼11楼会议室

 

       讲座题目:Electrocatalytic and Photoelectrochemical Conversion of Energy and Chemicals Using Earth-Abundant Nanomaterials

 

       讲座摘要:

       The scale of renewable energy challenges not only calls for highly efficient photovoltaic (PV) or photoelectrochemical (PEC) technologies but also abundant, inexpensive, and robust materials. Earth-abundant but highly active electrocatalysts need to be developed to enable efficient and sustainable production of energy using electrocatalytic and PEC water splitting. We report nanostructures of earth-abundant electrocatalysts, such as exfoliated nanosheets of MoS2, WS2, MoSe2, for the hydrogen evolution reaction (HER) and significantly enhanced their catalytic activity. We established nanotructures of ternary pyrite-type cobalt phosphosulfide (CoPS) as the best earth-abundant HER catalyst in acidic conditions to date. For oxygen evolution reaction (OER), NiCo and NiFe layered double hydroxides (LDHs) have been exfoliated into high surface area nanosheets to enhance their catalytic activity and trimetallic NiFeCr LDH with enhanced catalytic activity was discovered. We have recently found that these catalysts can enable efficient and selective electrochemical oxidation of biomass-derived platform molecules (such as HMF) to produce value-added oxygenated commodity chemicals and hydrogen under mild conditions. These earth-abundant catalysts have been integrated with silicon and other semiconductors to enable efficient solar-driven hydrogen generation using earth-abundant materials. Furthermore, we have developed a novel type of hybrid energy conversion and storage devices by integrating regenerative solar cells with redox flow batteries (RFBs) as a potentially more practical near term alternative to PEC water splitting.

 

 

       讲座人介绍:

Song Jin (金松)

Professor of Chemistry

University of Wisconsin-Madison, USA

Research group webpage: http://jin.chem.wisc.edu/

Email: jin@chem.wisc.edu,

 

       Prof. Song Jin received his B.S. in Chemistry from Peking University in 1997, Ph.D. in 2002 from Cornell University under the direction of Prof. Francis J. DiSalvo and carried out his postdoctoral research under the direction of Prof. Charles M. Lieber at Harvard University. Dr. Jin is interested in the chemistry, physics and technological applications of nanoscale and solid-state materials. Dr. Jin developed innovative synthesis of a variety of nanomaterials including metal chalcogenides, oxides, silicides, and halide perovskites, and discovered and developed the screw dislocation-driven growth of anisotropic nanomaterials. Building on the fundamental understanding of novel physical properties, Jin advances the exploitation of (nano)materials for solar energy conversion, electrocatalysis, energy storage, optoelectronics, nanospintronics, and biotechnology. A unifying theme of Jin’s energy research is the focus on earth-abundant materials. Dr. Jin has authored or co-authored over 170 publications and 6 patents. He has been recognized with a NSF CAREER Award, a Research Corporation Cottrell Scholar Award and as one of world’s top 35 innovators under the age of 35 (TR35 Award) by the MIT Technology Review Magazine, the ACS ExxonMobil Solid State Chemistry Fellowship, and the Alfred P. Sloan Research Fellowship, U. of Wisconsin-Madison Vilas Associate Award and H. I. Romnes Faculty Fellowship, and the ACS Inorganic Nanoscience Award. He also serves as a Senior Editor for ACS Energy Letters.

 


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