Volume 33, Issue 9 e5040
FULL PAPER

Half-sandwich Ir (III) and Rh (III) complexes as catalysts for water oxidation with double-site

Peng Li

Peng Li

School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 China

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Jin-Bao Liu

Jin-Bao Liu

Department of Science and Technology, Shanghai Urban Construction Vocational College, Shanghai, 201415 China

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Sheng Han

Corresponding Author

Sheng Han

School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 China

Correspondence

Sheng Han, Wei Deng and Zi-Jian Yao, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.

Email: [email protected]; [email protected]; [email protected]

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Wei Deng

Corresponding Author

Wei Deng

School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 China

Correspondence

Sheng Han, Wei Deng and Zi-Jian Yao, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.

Email: [email protected]; [email protected]; [email protected]

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Zi-Jian Yao

Corresponding Author

Zi-Jian Yao

School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 China

State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210023 China

Correspondence

Sheng Han, Wei Deng and Zi-Jian Yao, School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.

Email: [email protected]; [email protected]; [email protected]

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First published: 26 June 2019
Citations: 13

Abstract

A series of neutral binuclear iridium and rhodium complexes were synthesized based on bis-imine ligands under mild conditions. These half-sandwich late transition metal complexes were isolated in good yields and characterized by elemental analysis, 1H NMR, 13C NMR, HR-MS, and FT-IR spectroscopies, and the solid state structure of complexes 1 and 2 were further confirmed by single-crystal X-ray diffraction. Cyclic voltammetry (CV) characterization indicated that the complex 1 has the best catalyst for water oxidation process with TOF of 0.8 s−1 at low overpotential of 0.325 V in methanol-phosphate buffer. The proposed double-site water oxidation mechanism had been also speculated.

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