5.1% efficiency of Si photoanodes for photoelectrochemical water splitting catalyzed by porous NiFe (oxy)hydroxide converted from NiFe oxysulfide

Wanyi Zhou; Ronglei Fan; Taozheng Hu; Guanping Huang; Weng Dong; Xi Wu; Mingrong Shen

doi:10.1039/C9CC06413C

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5.1% efficiency of Si photoanodes for photoelectrochemical water splitting catalyzed by porous NiFe (oxy)hydroxide converted from NiFe oxysulfide†

Wanyi Zhou,^a Ronglei Fan,

^a Taozheng Hu,^a Guanping Huang,^a Weng Dong,^a Xi Wu*^b and Mingrong Shen

*^a

Author affiliations

* Corresponding authors

^a School of Physical Science and Technology, Jiangsu Key Laboratory of Thin Films, Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, 1 Shizi street, Suzhou 215006, China
E-mail: mrshen@suda.edu.cn

^b College of Energy, Soochow University, 1 Shizi street, Suzhou 215006, China
E-mail: wuxi@suda.edu.cn

Abstract

A porous NiFe (oxy)hydroxide catalyst fabricated on n⁺pp⁺-Si/Ni/NiO_x, which is converted from an electrodeposited NiFe oxysulfide, allows a silicon photoanode for water splitting to hit a record 5.1% efficiency with good stability of up to 135 h under 40 mA cm⁻² in 1.0 M NaOH.

This article is part of the themed collection: SU 120: Celebrating 120 Years of Soochow University

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Article information

DOI: https://doi.org/10.1039/C9CC06413C
Article type: Communication
Submitted: 19 Aug 2019
Accepted: 26 Sep 2019
First published: 27 Sep 2019

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Chem. Commun., 2019,55, 12627-12630

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5.1% efficiency of Si photoanodes for photoelectrochemical water splitting catalyzed by porous NiFe (oxy)hydroxide converted from NiFe oxysulfide

W. Zhou, R. Fan, T. Hu, G. Huang, W. Dong, X. Wu and M. Shen, Chem. Commun., 2019, 55, 12627 DOI: 10.1039/C9CC06413C

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Chemical Communications

5.1% efficiency of Si photoanodes for photoelectrochemical water splitting catalyzed by porous NiFe (oxy)hydroxide converted from NiFe oxysulfide†

Abstract

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5.1% efficiency of Si photoanodes for photoelectrochemical water splitting catalyzed by porous NiFe (oxy)hydroxide converted from NiFe oxysulfide

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