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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201707105
|2 doi
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|a pubmed24n0941.xml
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|a (NLM)29603427
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|a DE-627
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|a eng
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|a Anjum, Mohsin Ali Raza
|e verfasserin
|4 aut
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|a Efficient Hydrogen Evolution Reaction Catalysis in Alkaline Media by All-in-One MoS2 with Multifunctional Active Sites
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 01.08.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a MoS2 becomes an efficient and durable nonprecious-metal electrocatalyst for the hydrogen evolution reaction (HER) when it contains multifunctional active sites for water splitting derived from 1T-phase, defects, S vacancies, exposed Mo edges with expanded interlayer spacings. In contrast to previously reported MoS2 -based catalysts targeting only a single or few of these characteristics, the all-in-one MoS2 catalyst prepared herein features all of the above active site types. During synthesis, the intercalation of in situ generated NH3 molecules into MoS2 sheets affords ammoniated MoS2 (A-MoS2 ) that predominantly comprises 1T-MoS2 and exhibits an expanded interlayer spacing. The subsequent reduction of A-MoS2 results in the removal of intercalated NH3 and H2 S to form an all-in-one MoS2 with multifunctional active sites mentioned above (R-MoS2 ) that exhibits electrocatalytic HER performance in alkaline media superior to those of all previously reported MoS2 -based electrocatalysts. In particular, a hybrid MoS2 /nickel foam catalyst outperforms commercial Pt/C in the practically meaningful high-current region (>25 mA cm-2 ), demonstrating that R-MoS2 -based materials can potentially replace Pt catalysts in practical alkaline HER systems
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|a Journal Article
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|a 1T-phases
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|a Mo-exposed edges
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|a S vacancies
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|a hydrogen evolution reaction
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|a molybdenum sulfide
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|a Jeong, Hu Young
|e verfasserin
|4 aut
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|a Lee, Min Hee
|e verfasserin
|4 aut
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|a Shin, Hyeon Suk
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Jae Sung
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 20 vom: 30. Mai, Seite e1707105
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:20
|g day:30
|g month:05
|g pages:e1707105
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|u http://dx.doi.org/10.1002/adma.201707105
|3 Volltext
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