Editors' Choice Growth of Layered WS2Electrocatalysts for Highly Efficient Hydrogen Production Reaction

Merfat Alsabban; Shixiong Min; Mohamed N. Hedhili; Jun Ming; Lain-Jong Li; Kuo-Wei Huang

doi:10.1149/2.0141611jss

Editors' Choice Growth of Layered WS2Electrocatalysts for Highly Efficient Hydrogen Production Reaction

Merfat Alsabban, Shixiong Min, Mohamed N. Hedhili, Jun Ming, Lain-Jong Li, Kuo-Wei Huang

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Abstract

Seeking more economical alternative electrocatalysts without sacrificing much in performance to replace precious metal Pt is one of the major research topics in hydrogen evolution reactions (HER). Tungsten disulfide (WS2) has been recognized as a promising substitute for Pt owing to its high efficiency and low-cost. Since most existing works adopt solution-synthesized WS2 crystallites for HER, direct growth of WS2 layered materials on conducting substrates should offer new opportunities. The growth of WS2 by the thermolysis of ammonium tetrathiotungstate (NH4)(2)WS4 was examined under various gaseous environments. Structural analysis and electrochemical studies show that the H2S environment leads to the WS2 catalysts with superior HER performance with an extremely low overpotential (eta(10) = 184 mV). (C) The Author(s) 2016. Published by ECS. All rights reserved.

Original language	English (US)
Pages (from-to)	Q3067-Q3071
Number of pages	1
Journal	ECS Journal of Solid State Science and Technology
Volume	5
Issue number	11
DOIs	https://doi.org/10.1149/2.0141611jss
State	Published - Aug 17 2016

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https://repository.kaust.edu.sa/bitstream/10754/622851/1/ECS%20J.%20Solid%20State%20Sci.%20Technol.-2016-Alsabban-Q3067-71.pdf

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title = "Editors' Choice Growth of Layered WS2Electrocatalysts for Highly Efficient Hydrogen Production Reaction",

abstract = "Seeking more economical alternative electrocatalysts without sacrificing much in performance to replace precious metal Pt is one of the major research topics in hydrogen evolution reactions (HER). Tungsten disulfide (WS2) has been recognized as a promising substitute for Pt owing to its high efficiency and low-cost. Since most existing works adopt solution-synthesized WS2 crystallites for HER, direct growth of WS2 layered materials on conducting substrates should offer new opportunities. The growth of WS2 by the thermolysis of ammonium tetrathiotungstate (NH4)(2)WS4 was examined under various gaseous environments. Structural analysis and electrochemical studies show that the H2S environment leads to the WS2 catalysts with superior HER performance with an extremely low overpotential (eta(10) = 184 mV). (C) The Author(s) 2016. Published by ECS. All rights reserved.",

author = "Merfat Alsabban and Shixiong Min and Hedhili, {Mohamed N.} and Jun Ming and Lain-Jong Li and Kuo-Wei Huang",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We thank King Abdullah University of Science and Technology (KAUST) for generous financial support.",

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AU - Alsabban, Merfat

AU - Min, Shixiong

AU - Hedhili, Mohamed N.

AU - Ming, Jun

AU - Li, Lain-Jong

AU - Huang, Kuo-Wei

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We thank King Abdullah University of Science and Technology (KAUST) for generous financial support.

PY - 2016/8/17

Y1 - 2016/8/17

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AB - Seeking more economical alternative electrocatalysts without sacrificing much in performance to replace precious metal Pt is one of the major research topics in hydrogen evolution reactions (HER). Tungsten disulfide (WS2) has been recognized as a promising substitute for Pt owing to its high efficiency and low-cost. Since most existing works adopt solution-synthesized WS2 crystallites for HER, direct growth of WS2 layered materials on conducting substrates should offer new opportunities. The growth of WS2 by the thermolysis of ammonium tetrathiotungstate (NH4)(2)WS4 was examined under various gaseous environments. Structural analysis and electrochemical studies show that the H2S environment leads to the WS2 catalysts with superior HER performance with an extremely low overpotential (eta(10) = 184 mV). (C) The Author(s) 2016. Published by ECS. All rights reserved.

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JF - ECS Journal of Solid State Science and Technology

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ER -

Editors' Choice Growth of Layered WS2Electrocatalysts for Highly Efficient Hydrogen Production Reaction

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