(7月8日)Vibrational Spectroscopy of Adsorbed Intermediates on Catalyst Surfaces: An In Situ Approach to Unravel Reaction Pathways
新闻类型:学术活动  阅读次数:  发布时间:2019-06-27

报告题目:Vibrational Spectroscopy of Adsorbed Intermediates on Catalyst Surfaces: An In Situ Approach to Unravel Reaction Pathways

报告人:Prof. Steven S. C. ChuangThe University of Akron美国阿克隆大学

报告时间:2019年7月8日(星期一)上午10:00-11:30

报告地点:福州大学阳光科技大厦北911室

报告摘要:

Vibrational spectroscopy (i.e., infrared and Raman) allows for molecular level characterization of adsorbed intermediates on catalyst surfaces.  The ability of infrared radiation to pass through the reaction environment and interact with adsorbed intermediates and catalysts makes in situ infrared spectroscopy a powerful tool for investigating adsorption and reactions at the interface between gas and solid as well as liquid and solid under reaction conditions where practical processes are operated.  This presentation will illustrate the design of IR cell and approaches used for mechanistic investigation of gas-solid/liquid-solid process, photo-electrochemical processes, and dye-sensitized solar cells by transmission, diffuse reflectance infrared Fourier Transform spectroscopy (DRIFTs), and attenuated total reflectance (ATR) infrared spectroscopy.   Photocatalytic oxidation of ethanol on TiO2 will be used to illustrate the approaches for in situ IR studies, analysis of IR data, and elucidation of reaction pathways involved with photogenerated electrons.   

 

报告人简介:

 

庄显成教授是美国阿克隆大学(The University of Akron)高分子科学系教授,博导,是美国FirstEnergy(美国前五大电力公司)先进能源研究中心(Advanced Energy Research Center)主任。多年来从事煤或煤层气的洁净利用和高效转化等方面的研究工作,特别是围绕规模化CO2捕集材料和工艺研发、催化转化和煤炭燃料电池等的研究开发取得重要成果。担任国际期刊ApplCatal、CatalComm、Environ Prog Sustain、Res Chemintermediat编委。近十年,主持美国能源部和美国自然科学基金等项目20余项,总经费超过1000万美元,在JACS、J Catal、ChemSusChem、ApplCatal B等国际期刊上发表SCI收录论文150余篇,SCI引用超过4300次,h-index=37,获得美国发明专利6项,多项技术进行中试研究和工业应用。

 

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