Ultraefficient Electrocatalytic Hydrogen Evolution from Strain-Engineered, Multilayer MoS2

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dc.contributor.authorRhuy, Dohyunko
dc.contributor.authorLee, Youjinko
dc.contributor.authorKim, Ji Yoonko
dc.contributor.authorKim, Chansooko
dc.contributor.authorKwon, Yongwooko
dc.contributor.authorPreston, Daniel J.ko
dc.contributor.authorKim, In Sooko
dc.contributor.authorOdom, Teri W.ko
dc.contributor.authorKang, Kibumko
dc.contributor.authorLee, Dongwookko
dc.contributor.authorLee, Won-Kyuko
dc.date.accessioned2022-09-01T05:01:08Z-
dc.date.available2022-09-01T05:01:08Z-
dc.date.created2022-07-18-
dc.date.created2022-07-18-
dc.date.issued2022-07-
dc.identifier.citationNANO LETTERS, v.22, no.14, pp.5742 - 5750-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10203/298232-
dc.description.abstractThis paper reports an approach to repurpose low-cost, bulk multilayer MoS2 for development of ultraefficient hydrogen evolution reaction (HER) catalysts over large areas (>cm(2)). We create working electrodes for use in HER by dry transfer of MoS2 nano- and microflakes to gold thin films deposited on prestrained thermoplastic substrates. By relieving the prestrain at a macroscopic scale, a tunable level of tensile strain is developed in the MoS2 and consequently results in a local phase transition as a result of spontaneously formed surface wrinkles. Using electrochemical impedance spectroscopy, we verified that electrochemical activation of the strained MoS2 lowered the charge transfer resistance within the materials system, achieving HER activity comparable to platinum (Pt). Raman and X-ray photoelectron spectroscopy show that desulfurization in the multilayer MoS2 was promoted by the phase transition; the combined effect of desulfurization and the lower charge resistance induced superior HER performance.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleUltraefficient Electrocatalytic Hydrogen Evolution from Strain-Engineered, Multilayer MoS2-
dc.typeArticle-
dc.identifier.wosid000821136600001-
dc.identifier.scopusid2-s2.0-85133142173-
dc.type.rimsART-
dc.citation.volume22-
dc.citation.issue14-
dc.citation.beginningpage5742-
dc.citation.endingpage5750-
dc.citation.publicationnameNANO LETTERS-
dc.identifier.doi10.1021/acs.nanolett.2c00938-
dc.contributor.localauthorKang, Kibum-
dc.contributor.nonIdAuthorRhuy, Dohyun-
dc.contributor.nonIdAuthorLee, Youjin-
dc.contributor.nonIdAuthorKim, Chansoo-
dc.contributor.nonIdAuthorKwon, Yongwoo-
dc.contributor.nonIdAuthorPreston, Daniel J.-
dc.contributor.nonIdAuthorKim, In Soo-
dc.contributor.nonIdAuthorOdom, Teri W.-
dc.contributor.nonIdAuthorLee, Dongwook-
dc.contributor.nonIdAuthorLee, Won-Kyu-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorWater electrolysis-
dc.subject.keywordAuthorHydrogen evolution reaction-
dc.subject.keywordAuthorCatalytic materials-
dc.subject.keywordAuthorTransition metal chalcogenides-
dc.subject.keywordAuthorStrain engineering-
dc.subject.keywordAuthorElectrochemical processes-
dc.subject.keywordPlusACTIVE EDGE SITES-
dc.subject.keywordPlusMONOLAYER MOS2-
dc.subject.keywordPlusGRAPHENE-
dc.subject.keywordPlusCATALYST-
dc.subject.keywordPlusFILMS-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusMULTISCALE-
dc.subject.keywordPlusNANOSHEETS-
dc.subject.keywordPlusOXIDATION-
dc.subject.keywordPlusMEMBRANES-
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