Modulating intramolecular electron and proton transfer kinetics for promoting carbon dioxide conversion

Yajie Yuan; Yazhen Zhao; Shuai Yang; Sheng Han; Chenbao Lu; Huiping Ji; Tianfu Wang; Changchun Ke; Qing Xu; Jinhui Zhu; Xiaodong Zhuang

doi:10.1039/d1cc06731a

Modulating intramolecular electron and proton transfer kinetics for promoting carbon dioxide conversion

Chem Commun (Camb). 2022 Feb 8;58(12):1966-1969. doi: 10.1039/d1cc06731a.

Authors

Yajie Yuan^{1

2}, Yazhen Zhao², Shuai Yang³, Sheng Han¹, Chenbao Lu², Huiping Ji², Tianfu Wang², Changchun Ke⁴, Qing Xu⁵, Jinhui Zhu^{2

6}, Xiaodong Zhuang²

Affiliations

¹ School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China.
² The Meso-Entropy Matter Lab, State Key Laboratory of Metal Matrix Composites, School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China. castle@sjtu.edu.cn.
³ Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201210, P. R. China.
⁴ Institute of Fuel Cells, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
⁵ CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, P. R. China.
⁶ College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China.

PMID: 35044389
DOI: 10.1039/d1cc06731a

Abstract

A novel pentagon-heptagon paired azulene group that possesses a large dipole moment is immobilized onto a porphyrin. The as-prepared azulene iron porphyrin exhibits a narrower bandgap and higher electrocatalytic CO₂ reduction activity than the pristine iron porphyrin. The maximum CO faradaic efficiency reaches 99.9%, which is the state-of-the-art value among molecular catalysts.