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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202206066
|2 doi
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|a pubmed24n1154.xml
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|a (DE-627)NLM346375126
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|a (NLM)36120806
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Kim, Jihoon
|e verfasserin
|4 aut
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| 245 |
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|a Observation of H2 Evolution and Electrolyte Diffusion on MoS2 Monolayer by In Situ Liquid-Phase Transmission Electron Microscopy
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|c 2022
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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 10.11.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Unit-cell-thick MoS2 is a promising electrocatalyst for the hydrogen evolution reaction (HER) owing to its tunable catalytic activity, which is determined based on the energetics and molecular interactions of different types of HER active sites. Kinetic responses of MoS2 active sites, including the reaction onset, diffusion of the electrolyte and H2 bubbles, and continuation of these processes, are important factors affecting the catalytic activity of MoS2 . Investigating these factors requires a direct real-time analysis of the HER occurring on spatially independent active sites. Herein, the H2 evolution and electrolyte diffusion on the surface of MoS2 are observed in real time by in situ electrochemical liquid-phase transmission electron microscopy (LPTEM). Time-dependent LPTEM observations reveal that different types of active sites are sequentially activated under the same conditions. Furthermore, the electrolyte flow to these sites is influenced by the reduction potential and site geometry, which affects the bubble detachment and overall HER activity of MoS2
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|a Journal Article
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|a 2D materials
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|a H2 bubble formation
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|a electrolyte insertion
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|a hydrogen evolution reaction (HER)
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|a molybdenum sulfide (MoS2)
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|a Park, Anseong
|e verfasserin
|4 aut
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1 |
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|a Kim, Joodeok
|e verfasserin
|4 aut
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|a Kwak, Seung Jae
|e verfasserin
|4 aut
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|a Lee, Jae Yoon
|e verfasserin
|4 aut
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|a Lee, Donghoon
|e verfasserin
|4 aut
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|a Kim, Sebin
|e verfasserin
|4 aut
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|a Choi, Back Kyu
|e verfasserin
|4 aut
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|a Kim, Sungin
|e verfasserin
|4 aut
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| 700 |
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|a Kwag, Jimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Younhwa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeon, Sungho
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Won Chul
|e verfasserin
|4 aut
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1 |
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|a Hyeon, Taeghwan
|e verfasserin
|4 aut
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|a Lee, Chul-Ho
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Won Bo
|e verfasserin
|4 aut
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| 700 |
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|a Park, Jungwon
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 45 vom: 01. Nov., Seite e2206066
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:45
|g day:01
|g month:11
|g pages:e2206066
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|u http://dx.doi.org/10.1002/adma.202206066
|3 Volltext
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