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240322s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202314031
|2 doi
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|a pubmed24n1476.xml
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|a (DE-627)NLM369993748
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|a (NLM)38509794
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|a DE-627
|b ger
|c DE-627
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|a eng
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| 100 |
1 |
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|a Park, Jiheon
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Conversion of Layered WS2 Crystals into Mixed-Domain Electrochemical Catalysts by Plasma-Assisted Surface Reconstruction
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a Electrocatalytic water splitting is crucial to generate clean hydrogen fuel, but implementation at an industrial scale remains limited due to dependence on expensive platinum (Pt)-based electrocatalysts. Here, an all-dry process to transform electrochemically inert bulk WS2 into a multidomain electrochemical catalyst that enables scalable and cost-effective implementation of the hydrogen evolution reaction (HER) in water electrolysis is reported. Direct dry transfer of WS2 flakes to a gold thin film deposited on a silicon substrate provides a general platform to produce the working electrodes for HER with tunable charge transfer resistance. By treating the mechanically exfoliated WS2 with sequential Ar-O2 plasma, mixed domains of WS2, WO3, and tungsten oxysulfide form on the surfaces of the flakes, which gives rise to a superior HER with much greater long-term stability and steady-state activity compared to Pt. Using density functional theory, ultraefficient atomic sites formed on the constituent nanodomains are identified, and the quantification of atomic-scale reactivities and resulting HER activities fully support the experimental observations
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|a Journal Article
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|a catalytic materials
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| 650 |
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4 |
|a hydrogen evolution reaction
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4 |
|a plasma treatment
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4 |
|a transition metal chalcogenides
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4 |
|a water electrolysis
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1 |
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|a Cho, Iaan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeon, Hotae
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Youjin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Dongwook
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cho, Min Kyung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Preston, Daniel J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shong, Bonggeun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, In Soo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Won-Kyu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 25 vom: 19. Juni, Seite e2314031
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:25
|g day:19
|g month:06
|g pages:e2314031
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|u http://dx.doi.org/10.1002/adma.202314031
|3 Volltext
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