Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/145403
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dc.contributor.authorZhang, Huabinen_US
dc.contributor.authorZuo, Shouweien_US
dc.contributor.authorQiu, Meien_US
dc.contributor.authorWang, Siboen_US
dc.contributor.authorZhang, Yongfanen_US
dc.contributor.authorZhang, Jingen_US
dc.contributor.authorLou, David Xiong Wenen_US
dc.date.accessioned2020-12-21T04:03:42Z-
dc.date.available2020-12-21T04:03:42Z-
dc.date.issued2020-
dc.identifier.citationZhang, H., Zuo, S., Qiu, M., Wang, S., Zhang, Y., Zhang, J., & Lou, D. X. W. (2020). Direct probing of atomically dispersed Ru species over multi-edged TiO2 for highly efficient photocatalytic hydrogen evolution. Science Advances, 6(39), eabb9823-. doi:10.1126/sciadv.abb9823en_US
dc.identifier.issn2375-2548en_US
dc.identifier.urihttps://hdl.handle.net/10356/145403-
dc.description.abstractA cocatalyst is necessary for boosting the electron-hole separation efficiency and accelerating the reaction kinetics of semiconductors. As a result, it is of critical importance to in situ track the structural evolution of the cocatalyst during the photocatalytic process, but it remains very challenging. Here, atomically dispersed Ru atoms are decorated over multi-edged TiO2 spheres for photocatalytic hydrogen evolution. Experimental results not only demonstrate that the photogenerated electrons can be effectively transferred to the isolated Ru atoms for hydrogen evolution but also imply that the TiO2 architecture with multi-edges might facilitate the charge separation and transport. The change in valence and the evolution of electronic structure of Ru sites are well probed during the photocatalytic process. Specifically, the optimized catalyst produces the hydrogen evolution rate of 7.2 mmol g-1 hour-1, which is much higher than that of Pt-based cocatalyst systems and among the highest reported values.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relationMOE2017-T2-2-003en_US
dc.relationRG110/17en_US
dc.relationRG116/18en_US
dc.relation.ispartofScience Advancesen_US
dc.rights© 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).en_US
dc.subjectScience::Chemistryen_US
dc.titleDirect probing of atomically dispersed Ru species over multi-edged TiO2 for highly efficient photocatalytic hydrogen evolutionen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen_US
dc.identifier.doi10.1126/sciadv.abb9823-
dc.description.versionPublished versionen_US
dc.identifier.pmid32967834-
dc.identifier.issue39en_US
dc.identifier.volume6en_US
dc.subject.keywordsElectronic Structureen_US
dc.subject.keywordsHydrogenen_US
dc.description.acknowledgementX.W.L. acknowledges the funding support from the Ministry of Education of Singapore through the Academic Research Fund (AcRF) Tier-2 grant (MOE2017-T2-2-003) and Tier-1 grants (RG110/17; RG116/18).en_US
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