Nanoporous Silver Telluride for Active Hydrogen Evolution

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dc.contributor.authorKwon, Hagyeongko
dc.contributor.authorBae, Dongyeonko
dc.contributor.authorWon, Dongyeunko
dc.contributor.authorKim, Heejuko
dc.contributor.authorKim, Gunnko
dc.contributor.authorCho, Jiungko
dc.contributor.authorPark, Hee Jungko
dc.contributor.authorBaik, Hionsuckko
dc.contributor.authorJeong, Ah Reumko
dc.contributor.authorLin, Chia-Hsienko
dc.contributor.authorChiang, Ching-Yuko
dc.contributor.authorKu, Ching-Shunko
dc.contributor.authorYang, Heejunko
dc.contributor.authorCho, Suyeonko
dc.date.accessioned2021-05-25T02:30:05Z-
dc.date.available2021-05-25T02:30:05Z-
dc.date.created2021-04-07-
dc.date.issued2021-04-
dc.identifier.citationACS NANO, v.15, no.4, pp.6540 - 6550-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10203/285303-
dc.description.abstractSilver-based nanomaterials have been versatile building blocks of various photoassisted energy applications; however, they have demonstrated poor electrochemical catalytic performance and stability, in particular, in acidic environments. Here we report a stable and high-performance electrochemical catalyst of silver telluride (AgTe) for the hydrogen evolution reaction (HER), which was synthesized with a nanoporous structure by an electrochemical synthesis method. X-ray spectroscopy techniques on the nanometer scale and high-resolution transmission electron microscopy revealed an orthorhombic structure of nanoporous AgTe with precise lattice constants. First-principles calculations show that the AgTe surface possesses highly active catalytic sites for the HER with an optimized Gibbs free energy change of hydrogen adsorption (-0.005 eV). Our nanoporous AgTe demonstrates exceptional stability and performance for the HER, an overpotential of 27 mV, and a Tafel slope of 33 mV/dec. As a stable catalyst for hydrogen production, AgTe is comparable to platinum-based catalysts and provides a breakthrough for high-performance electrochemical catalysts.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleNanoporous Silver Telluride for Active Hydrogen Evolution-
dc.typeArticle-
dc.identifier.wosid000645436800050-
dc.identifier.scopusid2-s2.0-85104915525-
dc.type.rimsART-
dc.citation.volume15-
dc.citation.issue4-
dc.citation.beginningpage6540-
dc.citation.endingpage6550-
dc.citation.publicationnameACS NANO-
dc.identifier.doi10.1021/acsnano.0c09517-
dc.contributor.localauthorYang, Heejun-
dc.contributor.nonIdAuthorKwon, Hagyeong-
dc.contributor.nonIdAuthorBae, Dongyeon-
dc.contributor.nonIdAuthorWon, Dongyeun-
dc.contributor.nonIdAuthorKim, Heeju-
dc.contributor.nonIdAuthorKim, Gunn-
dc.contributor.nonIdAuthorCho, Jiung-
dc.contributor.nonIdAuthorPark, Hee Jung-
dc.contributor.nonIdAuthorBaik, Hionsuck-
dc.contributor.nonIdAuthorJeong, Ah Reum-
dc.contributor.nonIdAuthorLin, Chia-Hsien-
dc.contributor.nonIdAuthorChiang, Ching-Yu-
dc.contributor.nonIdAuthorKu, Ching-Shun-
dc.contributor.nonIdAuthorCho, Suyeon-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorsilver telluride (AgTe)-
dc.subject.keywordAuthorelectrochemical synthesis-
dc.subject.keywordAuthorhydrogen evolution reaction-
dc.subject.keywordAuthorX-ray spectroscopy-
dc.subject.keywordAuthornanoporous structure-
dc.subject.keywordAuthorcatalyst-
dc.subject.keywordPlusLATTICE EXPANSION-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusAGTE-
dc.subject.keywordPlusELECTROCATALYSTS-
dc.subject.keywordPlusCONTRACTION-
dc.subject.keywordPlusEMPRESSITE-
dc.subject.keywordPlusDEPENDENCE-
dc.subject.keywordPlusSITES-
dc.subject.keywordPlusALLOY-
dc.subject.keywordPlusOXIDE-
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