報告題目：Probing CO2 Reduction Chemistry over Model Single Atom Catalyst under Operando Condition
報告人：劉彬教授，香港城市大學
報告時間：2025年12月18日（周四）15：30
報告地點：化南326會議室
報告人簡介：Bin Liu received his bachelor of engineering (1st Class Honours) and master of engineering degrees at the National University of Singapore, Singapore in 2002 and 2004, respectively, and completed his doctoral degree at the University of Minnesota, USA in 2011. After spending a year as postdoctoral fellow in the University of California Berkeley, USA, he joined School of Chemical and Biomedical Engineering at Nanyang Technological University as an Assistant Professor in June 2012 and was promoted to Associate Professor in March 2017. In February 2023, Professor Liu joined the Department of Materials Science and Engineering at City University of Hong Kong as a Global STEM Professor. His research focuses on photo(electro)catalysis and in-situ/operando characterization. Professor Liu was awarded emerging investigator by Journal of Materials Chemistry A, Royal Society of Chemistry in 2016, class of influential researchers by Industrial & Engineering Chemistry Research, American Chemical Society in 2018, and listed in the “Highly Cited Researchers” in Cross-Field in 2019 and Chemistry in 2020-2023 by Clarivate Analytics.
報告簡介：Transition-metal single atom catalysts 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 M?ssbauer spectroscopy, we successfully captured the dynamic evolution of the catalytic centers during the CO2RR process.
