Effect of Gold Nanoparticles on the Photocatalytic and Photoelectrochemical Performance of Au Modified BiVO4
An efficient visible light driven photocatalyst, gold nanoparticles (NPs) modified BiVO4 (Au/BiVO4), has been synthesized by deposition-precipitation with urea method. Au/BiVO4 exhibits enhanced photocatalytic activity for phenol degradation under λ>400 nm irradiation but negligible activity under λ>535 nm, indicating that the surface plasmon resonance (SPR) effect is too weak for organic photodegradation. According to the photoelectrochemical results of the porous powder electrodes of BiVO4 and Au/BiVO4, the SPR effect of Au NPs has been assessed. The role of Au NPs as electron sinks or sources, which is controllable by incident photon energy and applied potentials, has been discussed.
- Effect of Gold Nanoparticles on the Photocatalytic and Photoelectrochemical Performance of Au Modified BiVO4
- Open Access
- Available under Open Access This content is freely available online to anyone, anywhere at any time.
Volume 3, Issue 3 , pp 171-177
- Cover Date
- Print ISSN
- Online ISSN
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- Visible light
- Gold nanoparticles
- Surface plasmonic resonance
- Author Affiliations
- 16. School of Environmental Science and Engineering, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai, 200240, China
- 26. Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Research Institute of Micro/Nano Science and Technology, Shanghai JiaoTong University, Shanghai, 200240, China