Catalytic Water Oxidation by a Ru II  Half Sandwich Complex | Zendy

Vatsa Aditi | Zendy; Kumar Padhi Sumanta | Zendy

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Catalytic Water Oxidation by a Ru II Half Sandwich Complex

Author(s) -

Vatsa Aditi,

Kumar Padhi Sumanta

Publication year - 2021

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.202100481

Subject(s) - chemistry , catalysis , electrochemistry , ruthenium , faraday efficiency , inorganic chemistry , pyridine , benzene , electrode , organic chemistry

Water splitting is an emerging domain in the sustainable energy system. In this study a half‐sandwich [Ru(η 6 ‐benzene)(hdm)]BF 4 [ Ru‐hdm ] complex ( hdm=hydroxydi(pyridine‐2‐yl)methanolate ) has been synthesized and characterized through various spectroscopic techniques. The complex [ Ru‐hdm ] has been employed to investigate the activity towards electrochemical and chemical water oxidation. Efficient generation of O 2 through chemical and electrochemical water oxidation (98 % Faradaic efficiency) in deionized water was observed. The formation of insoluble particles of [Ru VI =O] and [Ru IV =O] species in the reaction mixture and a coating over the surface of the silicone rubber septum has been noticed. The kinetics of chemical water oxidation reveals the 1 st order dependency on CAN and catalyst concentration.

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