In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction

Developing highly efficient and stable electrocatalysts for hydrogen evolution reaction (HER) is regarded as a crucial way to reduce energy loss in water splitting. Herein, NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures grown on graphene nanosheets (NiSe<sub<2</s...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Tianjun Dai [verfasserIn] Zhangyu Zhou [verfasserIn] Han Xiao [verfasserIn] Yingchun Luo [verfasserIn] Yongchi Xu [verfasserIn] Xinqiang Wang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	NiSe synergistic effect electrocatalyst HER

Übergeordnetes Werk:	In: Catalysts - MDPI AG, 2012, 12(2022), 7, p 701
Übergeordnetes Werk:	volume:12 ; year:2022 ; number:7, p 701

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/catal12070701

Katalog-ID:	DOAJ040896579

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callnumber-first	T - Technology
author	Tianjun Dai
spellingShingle	Tianjun Dai misc TP1-1185 misc QD1-999 misc NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures misc synergistic effect misc electrocatalyst misc HER misc Chemical technology misc Chemistry In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction
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topic_title	TP1-1185 QD1-999 In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures synergistic effect electrocatalyst HER
topic	misc TP1-1185 misc QD1-999 misc NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures misc synergistic effect misc electrocatalyst misc HER misc Chemical technology misc Chemistry
topic_unstemmed	misc TP1-1185 misc QD1-999 misc NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures misc synergistic effect misc electrocatalyst misc HER misc Chemical technology misc Chemistry
topic_browse	misc TP1-1185 misc QD1-999 misc NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures misc synergistic effect misc electrocatalyst misc HER misc Chemical technology misc Chemistry
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title	In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction
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title_full	In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction
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author_browse	Tianjun Dai Zhangyu Zhou Han Xiao Yingchun Luo Yongchi Xu Xinqiang Wang
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doi_str_mv	10.3390/catal12070701
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title_sort	in situ growth of nise<sub<2</sub<-mose<sub<2</sub< heterostructures on graphene nanosheets as high-performance electrocatalyst for hydrogen evolution reaction
callnumber	TP1-1185
title_auth	In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction
abstract	Developing highly efficient and stable electrocatalysts for hydrogen evolution reaction (HER) is regarded as a crucial way to reduce energy loss in water splitting. Herein, NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures grown on graphene nanosheets (NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G) have been in situ synthesized by a simple hydrothermal reaction. As an electrocatalyst for HER, NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G delivers superior performance with a low Tafel slope of 65 mV dec<sup<−1</sup<, a small overpotential of 144 mV at 10 mA cm<sup<−2</sup<, and long-term stability up to 24 h. The superior performance for HER can be mainly ascribed to the synergistic effects of NiSe<sub<2</sub<-MoSe<sub<2</sub< heterostructures, which can facilitate the rapid electron transfer from the electrode to the exposed MoSe<sub<2</sub< edges to take part in the HER reaction, thus boosting the HER kinetics. Moreover, the graphene matrix with high conductivity can not only improve the overall conductivity of the composite but also greatly increase the exposed active sites, therefore further promoting the HER performance. This study provides a simple route for fabricating bimetallic selenides-based heterostructures on graphene as an efficient and stable electrocatalyst for HER.
abstractGer	Developing highly efficient and stable electrocatalysts for hydrogen evolution reaction (HER) is regarded as a crucial way to reduce energy loss in water splitting. Herein, NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures grown on graphene nanosheets (NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G) have been in situ synthesized by a simple hydrothermal reaction. As an electrocatalyst for HER, NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G delivers superior performance with a low Tafel slope of 65 mV dec<sup<−1</sup<, a small overpotential of 144 mV at 10 mA cm<sup<−2</sup<, and long-term stability up to 24 h. The superior performance for HER can be mainly ascribed to the synergistic effects of NiSe<sub<2</sub<-MoSe<sub<2</sub< heterostructures, which can facilitate the rapid electron transfer from the electrode to the exposed MoSe<sub<2</sub< edges to take part in the HER reaction, thus boosting the HER kinetics. Moreover, the graphene matrix with high conductivity can not only improve the overall conductivity of the composite but also greatly increase the exposed active sites, therefore further promoting the HER performance. This study provides a simple route for fabricating bimetallic selenides-based heterostructures on graphene as an efficient and stable electrocatalyst for HER.
abstract_unstemmed	Developing highly efficient and stable electrocatalysts for hydrogen evolution reaction (HER) is regarded as a crucial way to reduce energy loss in water splitting. Herein, NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures grown on graphene nanosheets (NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G) have been in situ synthesized by a simple hydrothermal reaction. As an electrocatalyst for HER, NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G delivers superior performance with a low Tafel slope of 65 mV dec<sup<−1</sup<, a small overpotential of 144 mV at 10 mA cm<sup<−2</sup<, and long-term stability up to 24 h. The superior performance for HER can be mainly ascribed to the synergistic effects of NiSe<sub<2</sub<-MoSe<sub<2</sub< heterostructures, which can facilitate the rapid electron transfer from the electrode to the exposed MoSe<sub<2</sub< edges to take part in the HER reaction, thus boosting the HER kinetics. Moreover, the graphene matrix with high conductivity can not only improve the overall conductivity of the composite but also greatly increase the exposed active sites, therefore further promoting the HER performance. This study provides a simple route for fabricating bimetallic selenides-based heterostructures on graphene as an efficient and stable electrocatalyst for HER.
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container_issue	7, p 701
title_short	In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction
url	https://doi.org/10.3390/catal12070701 https://doaj.org/article/9552ff2afe444fb9b513cef88dbc8909 https://www.mdpi.com/2073-4344/12/7/701 https://doaj.org/toc/2073-4344
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author2	Zhangyu Zhou Han Xiao Yingchun Luo Yongchi Xu Xinqiang Wang
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doi_str	10.3390/catal12070701
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up_date	2024-07-03T17:20:40.662Z
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Herein, NiSe<sub<2</sub</MoSe<sub<2</sub< heterostructures grown on graphene nanosheets (NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G) have been in situ synthesized by a simple hydrothermal reaction. As an electrocatalyst for HER, NiSe<sub<2</sub<-MoSe<sub<2</sub< HTs/G delivers superior performance with a low Tafel slope of 65 mV dec<sup<−1</sup<, a small overpotential of 144 mV at 10 mA cm<sup<−2</sup<, and long-term stability up to 24 h. The superior performance for HER can be mainly ascribed to the synergistic effects of NiSe<sub<2</sub<-MoSe<sub<2</sub< heterostructures, which can facilitate the rapid electron transfer from the electrode to the exposed MoSe<sub<2</sub< edges to take part in the HER reaction, thus boosting the HER kinetics. Moreover, the graphene matrix with high conductivity can not only improve the overall conductivity of the composite but also greatly increase the exposed active sites, therefore further promoting the HER performance. 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In Situ Growth of NiSe<sub<2</sub<-MoSe<sub<2</sub< Heterostructures on Graphene Nanosheets as High-Performance Electrocatalyst for Hydrogen Evolution Reaction

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