《科学大讲堂 第251期》Prof. Peng Chen：单分子催化

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• 题目: 单分子催化
• 主讲人：Prof. Peng Chen @ 美国康奈尔大学
• 时间：2026年7月9日 8:40-9:30
• 地点：理学院一楼化学系C1038报告厅

主讲人简介

Peng Chen is the Peter Debye Professor of Chemistry at Cornell University. He did his B.S. at Nanjing University, Ph.D. at Stanford University, and postdoc at Harvard University. His group pioneered the study of single-nanoparticle catalysis, electrocatalysis, and photoelectrocatalysis; of living polymerizations by single molecular catalysts; and of biological inorganic systems in vitro and in living cells; using single-molecule/particle imaging and manipulation methods. His current research interests are heterogeneous and homogeneous catalysis, bacterial metal homeostasis, and bioenergy conversion. He is a member of American Academy of Arts and Sciences and a fellow of American Association for the Advancement of Science. He has received many national and international awards and given many named, plenary, and keynote lectures.

讲座简介

This presentation will first give a brief introduction to the single-molecule fluorescence approaches to image catalytic reactions on single nanoparticles at single-turnover and super-optical resolution. It will present applications of such approaches in gaining insights into the spatiotemporal reactivity patterns on single catalyst particle in (photo)(electro)catalysis. It will also describe the recent development of new approaches for super-resolution imaging of nonfluorescent processes on surfaces, including molecular adsorption and the formation of metal-hydrogen intermediates in (photo)electrocatalysis.

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