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Updated: Sep 15, 2026

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light
Published on: June 12, 2019
Chemisorption-mediated ultrafast charge transfer at the CO2 photoreduction interface
Mengyue Ma1, Renli Chen2, Jiawei Xue1
1National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, 230029, China. xuejw@ustc.edu.cn.
Abstract:
We employ femtosecond transient absorption spectroscopy to probe ultrafast charge transfer at the CO2 reduction interface in situ. We uncover hitherto unrecognized chemisorption states, formed through orbital hybridization between chemisorbed species and active sites, as efficient hole traps to prolong the lifetime of photogenerated electrons, underpinning the enhanced photocatalytic activity.
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