A transparent electrode with water-oxidizing activity

Gouhar Azadi; Robabeh Bagheri; Rahman Bikas; Younes Mousazade; Junfeng Cui; Zhenlun Song; Vasyl Kinzhybalo; Jian-Ren Shen; Suleyman Allakhverdiev; Mohammad Mahdi Najafpour

doi:10.1016/j.ijhydene.2018.10.146

A transparent electrode with water-oxidizing activity

Gouhar Azadi, Robabeh Bagheri, Rahman Bikas, Younes Mousazade, Junfeng Cui, Zhenlun Song, Vasyl Kinzhybalo, Jian-Ren Shen, Suleyman Allakhverdiev, Mohammad Mahdi Najafpour

Research Institute for Interdisciplinary Science

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

Hydrogen production by water splitting is a promising method to store energy. Water-oxidation reaction is a bottleneck in water-splitting systems. Herein, a mononuclear nickel(II) phosphine complex with 1,2-bis(dicyclohexylphosphino)ethane ligand, was synthesized and characterized by X-ray crystallography method. The water-oxidizing catalyst under the electrochemical condition was studied. The role of Ni compound for the water-oxidation reaction on the surface of fluorine-doped tin oxide as one of the true catalysts was investigated by the electrochemical methods and Scanning Electron Microscopy coupled with Energy Dispersive X-ray (SEM/EDX) Spectroscopy. The big ligand around the Ni ion causes a very small size of Ni-based particles on the surface of the electrode, which are the active catalysts for the water-oxidation reaction. Such small nanosized Ni-based compounds are transparent and have no effect on the transparency of the obtained fluorine-doped tin oxide. Thus, it is a promising method to synthesize a transparent fluorine-doped tin oxide with water-oxidizing activity.

Original language	English
Pages (from-to)	22896-22904
Number of pages	9
Journal	International Journal of Hydrogen Energy
Volume	43
Issue number	51
DOIs	https://doi.org/10.1016/j.ijhydene.2018.10.146
Publication status	Published - Dec 20 2018

Keywords

Catalyst
Fluorine-doped tin oxide
Hydrogen production
Water oxidation

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

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Azadi, G., Bagheri, R., Bikas, R., Mousazade, Y., Cui, J., Song, Z., Kinzhybalo, V., Shen, J-R., Allakhverdiev, S., & Najafpour, M. M. (2018). A transparent electrode with water-oxidizing activity. International Journal of Hydrogen Energy, 43(51), 22896-22904. https://doi.org/10.1016/j.ijhydene.2018.10.146

A transparent electrode with water-oxidizing activity. / Azadi, Gouhar; Bagheri, Robabeh; Bikas, Rahman; Mousazade, Younes; Cui, Junfeng; Song, Zhenlun; Kinzhybalo, Vasyl; Shen, Jian-Ren; Allakhverdiev, Suleyman; Najafpour, Mohammad Mahdi.

In: International Journal of Hydrogen Energy, Vol. 43, No. 51, 20.12.2018, p. 22896-22904.

Research output: Contribution to journal › Article

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AU - Song, Zhenlun

AU - Kinzhybalo, Vasyl

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AB - Hydrogen production by water splitting is a promising method to store energy. Water-oxidation reaction is a bottleneck in water-splitting systems. Herein, a mononuclear nickel(II) phosphine complex with 1,2-bis(dicyclohexylphosphino)ethane ligand, was synthesized and characterized by X-ray crystallography method. The water-oxidizing catalyst under the electrochemical condition was studied. The role of Ni compound for the water-oxidation reaction on the surface of fluorine-doped tin oxide as one of the true catalysts was investigated by the electrochemical methods and Scanning Electron Microscopy coupled with Energy Dispersive X-ray (SEM/EDX) Spectroscopy. The big ligand around the Ni ion causes a very small size of Ni-based particles on the surface of the electrode, which are the active catalysts for the water-oxidation reaction. Such small nanosized Ni-based compounds are transparent and have no effect on the transparency of the obtained fluorine-doped tin oxide. Thus, it is a promising method to synthesize a transparent fluorine-doped tin oxide with water-oxidizing activity.

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