期刊
CHEMICAL COMMUNICATIONS
卷 50, 期 68, 页码 9653-9656出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc04087b
关键词
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资金
- ERC
- DFG
- DFG cluster of excellence EAM
In the present work we introduce a technique to form a photocatalyst based on Pt nanoparticles suspended over the mouth of anodic TiO2 nanotubes. These structures are obtained by decorating the top end of highly ordered TiO2 nanotubes with a web of TiO2 nanofibrils, followed by sputter deposition of a minimum amount of Pt. A subsequent thermal dewetting step forms 3-6 nm-sized Pt nanoparticles along the nanofibrils. These structures, when compared to conventional Pt decoration techniques of TiO2 nanotubes, show strongly enhanced photocatalytic H-2 evolution efficiency.
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