Journal
RSC ADVANCES
Volume 2, Issue 26, Pages 10057-10063Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra21897f
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Funding
- National Basic Research Program of China [2012CB922000]
- Fundamental Research Funds for the central Universities
- US Air Force Office of Scientific of Research (AFOSR)
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alpha-Fe2O3 nanorods with highly defective surfaces were used as a support to further synthesize hybrid Pt/alpha-Fe2O3 nanorods. Transmission electron microscopy analyses suggest that Pt nanoparticles are selectively deposited on the surface defects such as edge-steps. Pt nanoparticles in metallic and electron deficient states, as well as the correlation between chemisorbed oxygen species and the peripheral Pt area, were revealed by the X-ray photoelectron spectroscopy spectra. The hybrid nanorods with an optimized amount of Pt nanoparticles and a large peripheral Pt area exhibit far better visible light photocatalytic activity for degrading methylene blue than alpha-Fe2O3.
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