期刊
NANOSCALE
卷 5, 期 10, 页码 4236-4241出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00517h
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资金
- AcRF [R-143-000-533-112]
- National Research Foundation [R-398-001-062-281]
- Economic Development Board (SPORE) [COY-15-EWI-RCFSA/N197-1]
A facile method was used to prepare uniform Au NR/TiO2 and Au/Ag NR/TiO2 core-shell composite nanoparticles. Au/Ag NR/TiO2 nanoparticles were found to display significantly enhanced visible light photo-catalytic activity compared to Au NR/TiO2 and the commercially available TiO2 nanoparticles. The enhancement mechanism was ascribed to injection of hot electrons of photo-excited Au/Ag NRs to TiO2, which was confirmed by 633 nm laser induced reduction of silver ions on the surface of Au/Ag NR/TiO2 composite nanoparticles.
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