Synthesis of edge-enriched WS2on high surface area WS2framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction

Shashank Balasubramanyam; Matthew A. Bloodgood; Yue Zhang; Marcel A. Verheijen; Wilhelmus M.M. Kessels; Jan P. Hofmann; Ageeth A. Bol

doi:10.1116/6.0000563

Synthesis of edge-enriched WS₂on high surface area WS₂framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction

Shashank Balasubramanyam, Matthew A. Bloodgood, Yue Zhang, Marcel A. Verheijen, Wilhelmus M.M. Kessels, Jan P. Hofmann, Ageeth A. Bol (Corresponding author)

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

Transition metal dichalcogenides (TMDs) are promising electrocatalysts for the hydrogen evolution reaction (HER). Several approaches have been adopted to increase the density of the catalytically active edge-sites of TMDs including the use of high surface area 3D templates. In this work, we report the implementation of a high surface area WS2 framework grown using plasma-enhanced atomic layer deposition (PEALD) as templates to support edge-enriched PEALD grown WS2 electrocatalyst films. We show that these combined WS2 template-electrocatalyst configurations show better HER performance than the individual constituents. Material properties of the combined configurations including morphology and composition are investigated. A correlation between material properties and the HER performance is observed. This facile pathway could lead to a new route for creating high surface area electrocatalyst systems via PEALD.

Original language	English
Article number	062201
Number of pages	8
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	38
Issue number	6
DOIs	https://doi.org/10.1116/6.0000563
Publication status	Published - 1 Dec 2020

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Balasubramanyam, S., Bloodgood, M. A., Zhang, Y., Verheijen, M. A., Kessels, W. M. M., Hofmann, J. P., & Bol, A. A. (2020). Synthesis of edge-enriched WS₂on high surface area WS₂framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction. Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, 38(6), [062201]. https://doi.org/10.1116/6.0000563

Balasubramanyam, Shashank ; Bloodgood, Matthew A. ; Zhang, Yue ; Verheijen, Marcel A. ; Kessels, Wilhelmus M.M. ; Hofmann, Jan P. ; Bol, Ageeth A. / Synthesis of edge-enriched WS₂on high surface area WS₂framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction. In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 2020 ; Vol. 38, No. 6.

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abstract = "Transition metal dichalcogenides (TMDs) are promising electrocatalysts for the hydrogen evolution reaction (HER). Several approaches have been adopted to increase the density of the catalytically active edge-sites of TMDs including the use of high surface area 3D templates. In this work, we report the implementation of a high surface area WS2 framework grown using plasma-enhanced atomic layer deposition (PEALD) as templates to support edge-enriched PEALD grown WS2 electrocatalyst films. We show that these combined WS2 template-electrocatalyst configurations show better HER performance than the individual constituents. Material properties of the combined configurations including morphology and composition are investigated. A correlation between material properties and the HER performance is observed. This facile pathway could lead to a new route for creating high surface area electrocatalyst systems via PEALD. ",

author = "Shashank Balasubramanyam and Bloodgood, {Matthew A.} and Yue Zhang and Verheijen, {Marcel A.} and Kessels, {Wilhelmus M.M.} and Hofmann, {Jan P.} and Bol, {Ageeth A.}",

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Balasubramanyam, S , Bloodgood, MA, Zhang, Y, Verheijen, MA , Kessels, WMM , Hofmann, JP & Bol, AA 2020, 'Synthesis of edge-enriched WS₂on high surface area WS₂framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction', Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, vol. 38, no. 6, 062201. https://doi.org/10.1116/6.0000563

Synthesis of edge-enriched WS₂on high surface area WS₂framework by atomic layer deposition for electrocatalytic hydrogen evolution reaction. / Balasubramanyam, Shashank ; Bloodgood, Matthew A.; Zhang, Yue; Verheijen, Marcel A.; Kessels, Wilhelmus M.M.; Hofmann, Jan P.; Bol, Ageeth A. (Corresponding author).

In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 38, No. 6, 062201, 01.12.2020.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Balasubramanyam, Shashank

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AB - Transition metal dichalcogenides (TMDs) are promising electrocatalysts for the hydrogen evolution reaction (HER). Several approaches have been adopted to increase the density of the catalytically active edge-sites of TMDs including the use of high surface area 3D templates. In this work, we report the implementation of a high surface area WS2 framework grown using plasma-enhanced atomic layer deposition (PEALD) as templates to support edge-enriched PEALD grown WS2 electrocatalyst films. We show that these combined WS2 template-electrocatalyst configurations show better HER performance than the individual constituents. Material properties of the combined configurations including morphology and composition are investigated. A correlation between material properties and the HER performance is observed. This facile pathway could lead to a new route for creating high surface area electrocatalyst systems via PEALD.

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