应化学化工学院、甘肃省有色金属化学与资源利用重点实验室邀请，新加坡南洋理工大学刘彬教授将于线上为我院师生做学术报告并讨论交流，欢迎感兴趣的师生参加。

报 告 人：刘彬 教授

报告题目：Electrochemical CO₂ Reduction Chemistry over Model Single-Atom Catalyst 

报告时间：2022年11月15日（星期二） 14: 30

腾讯会议号：113 194 435 

报告人简介：

Bin Liu received his B.Eng. (1^st Class Honors) and M.Eng. degrees in Chemical Engineering from the National University of Singapore in 2002 and 2004, 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 the Department of Chemistry during 2011 – 2012 before joining School of Chemical and Biomedical Engineering at Nanyang Technological University (NTU) as an Assistant Professor in 2012. He is now an Associate Professor at NTU. He was listed among the “Highly Cited Researchers” in Cross-Field in 2019 and Chemistry in 2020 and 2021 by Clarivate. His main research interests include electrocatalysis, in situ/operando characterization, photovoltaics and photoelectrochemistry. More information can be found at http://www.ntu.edu.sg/home/liubin/home.html. 

报告摘要：

Noble-metal and transition-metal based materials have been demonstrated as promising catalysts for selective electrochemical CO₂ reduction reaction (CO₂RR), however, neither the detailed structures of catalytic intermediates nor the key surface species have been unambiguously identified. In this work, a series of single transition-metal atom catalysts with well-defined structures were developed as model systems to explore the electrochemical CO₂RR chemistry. Employing a combination of operando X-ray absorption spectroscopy, attenuated total reflectance surface enhanced infrared absorption spectroscopy, Raman spectroscopy and Mössbauer spectroscopy, we successfully captured the dynamic evolution of the catalytic centers during the CO₂RR process.