Bimetallic doping engineering of Ni3S2 nanosheets originating from NiFe layered double hydroxide for efficient overall water splitting

Tianshan Song; Hui Xue; Jing Sun; Niankun Guo; Jiawen Sun; Yi-Ru Hao; Qin Wang

doi:10.1039/D2CC01711C

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Bimetallic doping engineering of Ni₃S₂ nanosheets originating from NiFe layered double hydroxide for efficient overall water splitting†

Tianshan Song,^a Hui Xue,*^a Jing Sun,^a Niankun Guo,^a Jiawen Sun,^a Yi-Ru Hao^a and Qin Wang

*^a

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* Corresponding authors

^a College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, P. R. China
E-mail: qinwang@imu.edu.cn, hxue@imu.edu.cn

Abstract

Fe, Mo-doped Ni₃S₂ nanosheets that are derived from NiFe-LDH by structural transformation have been successfully developed. The obtained Fe, Mo-Ni₃S₂ exhibits a low overpotential of 67 mV to enable a current density of 10 mA cm⁻² for the HER and the overpotential for the OER is only 240 mV. Besides, the current density of 10 mA cm⁻² can be achieved with a voltage of 1.53 V in a two-electrode hydrolysis device.

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Article information

DOI: https://doi.org/10.1039/D2CC01711C
Article type: Communication
Submitted: 25 Mar 2022
Accepted: 25 Jul 2022
First published: 26 Jul 2022

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Chem. Commun., 2022,58, 9874-9877

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Bimetallic doping engineering of Ni₃S₂ nanosheets originating from NiFe layered double hydroxide for efficient overall water splitting

T. Song, H. Xue, J. Sun, N. Guo, J. Sun, Y. Hao and Q. Wang, Chem. Commun., 2022, 58, 9874 DOI: 10.1039/D2CC01711C

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Chemical Communications