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dc.contributor.authorZhao, Y.-
dc.contributor.authorLing, T.-
dc.contributor.authorChen, S.-
dc.contributor.authorJin, B.-
dc.contributor.authorVasileff, A.-
dc.contributor.authorJiao, Y.-
dc.contributor.authorSong, L.-
dc.contributor.authorLuo, J.-
dc.contributor.authorQiao, S.Z.-
dc.identifier.citationAngewandte Chemie International Edition, 2019; 58(35):12252-12257-
dc.description.abstractCommon-metal-based single-atom catalysts (SACs) are quite difficult to design due to the complex synthesis processes required. Herein, we report a single-atom nickel iodide (SANi-I) electrocatalyst with atomically dispersed non-metal iodine atoms. The SANi-I is prepared via a simple calcination step in a vacuum-sealed ampoule and subsequent cyclic voltammetry activation. Aberration-corrected high-angle annular dark-field scanning transmission electron microscopy and synchrotron-based X-ray absorption spectroscopy are applied to confirm the atomic-level dispersion of iodine atoms and detailed structure of SANi-I. Single iodine atoms are found to be isolated by oxygen atoms. The SANi-I is structural stable and shows exceptional electrocatalytic activity for the hydrogen evolution reaction (HER). In situ Raman spectroscopy reveals that the hydrogen adatom (Hads ) is adsorbed by a single iodine atom, forming the I-Hads intermediate, which promotes the HER process.-
dc.description.statementofresponsibilityYongqiang Zhao, Tao Ling, Shuangming Chen, Bo Jin, Anthony Vasileff, Yan Jiao, Li Song, Jun Luo, and Shi-Zhang Qiao-
dc.rights© 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim-
dc.subjectIodine; non-metal single-atom catalysts; hydrogen evolution reaction; overall water splitting; single-atom catalysts-
dc.titleNon-metal single-iodine-atom electrocatalysts for the hydrogen evolution reaction-
dc.typeJournal article-
dc.identifier.orcidZhao, Y. [0000-0002-2693-1669]-
dc.identifier.orcidVasileff, A. [0000-0003-1945-7740]-
dc.identifier.orcidJiao, Y. [0000-0003-1329-4290]-
dc.identifier.orcidQiao, S.Z. [0000-0002-1220-1761] [0000-0002-4568-8422]-
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