Enhanced photocatalytic hydrogen evolution from water by niobate single molecular sheets and ensembles

We report single molecular sheets of niobate prepared by a simple bottom-up approach using hydrothermal synthesis of niobium ethoxide with the aid of triethanolamine as a structural modifier: the high kinetic stability of these molecular entities against self-assembly allows them to mix well with ot...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 50; no. 89; pp. 13702 - 13705
Main Authors Nakagawa, Keizo, Jia, Tiantian, Zheng, Weiran, Fairclough, Simon Michael, Katoh, Masahiro, Sugiyama, Shigeru, Tsang, Shik Chi Edman
Format Journal Article
LanguageEnglish
Published England 01.01.2014
Subjects
Electronics
Graphene
Hydrogen evolution
Niobates
Photocatalysis
Self assembly
Sheets
Structural stability
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Summary:We report single molecular sheets of niobate prepared by a simple bottom-up approach using hydrothermal synthesis of niobium ethoxide with the aid of triethanolamine as a structural modifier: the high kinetic stability of these molecular entities against self-assembly allows them to mix well with other colloids and facilitates their extensive electronic interactions and thus photocatalytic hydrogen evolution activity from water is much enhanced over composite of single niobate sheets with graphene and MoS2 due to efficient electron transfer and charge separation.
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ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc04726e