Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 9, Pages 2698-2702Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201411494
Keywords
heterogeneous catalysis; nanosheets; photocatalysis; semiconductors; water splitting
Categories
Funding
- ENEOS Hydrogen Trust Fund
- [25107512]
- [25709078]
- Grants-in-Aid for Scientific Research [25107512] Funding Source: KAKEN
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Metal nanoclusters (involving metals such as platinum) with a diameter smaller than 1nm were deposited on the interlayer nanospace of KCa2Nb3O10 using the electrostatic attraction between a cationic metal complex (e.g., [Pt(NH3)(4)]Cl-2) and a negatively charged two-dimensional Ca2Nb3O10- sheet, without the aid of any additional reagent. The material obtained possessed eight-fold greater photocatalytic activity for water splitting into H-2 and O-2 under band-gap irradiation than the previously reported analog using a RuO2 promoter. This study highlighted the superior functionality of Pt nanoclusters with diameters smaller than 1nm for photocatalytic overall water splitting. This material shows the greatest efficiency among nanosheet-based photocatalysts reported to date.
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