期刊
JOURNAL OF EXPERIMENTAL NANOSCIENCE
卷 12, 期 1, 页码 33-44出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17458080.2016.1255790
关键词
Bismuth oxide; gold; plasmon effect; photodegradation; dye
类别
资金
- Australian Research Council through the Australian Centre for Electromaterials Science
- Australian Research Council under the Discovery Project [DP:120104334]
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
- Qinglan Engineering of Jiangsu Province
Three-dimensional (BiO)(2)CO3 (BSC) nanostructures were synthesised by a hydrothermal reaction, and Bi2O3 nanoparticles were then obtained by calcining BSC precursor at different temperatures. BSC and Bi2O3 samples were then sputtering coated with Au to get the resultant Au/BSC and Au/Bi2O3 for the investigation of the effect of the Au coating on the photocatalytic performance of the samples. The phase structure, morphology and composition of the samples were characterised by X-ray diffraction, scanning electron microscopy and energy-dispersive spectroscopy (EDS). UV-vis diffuse reflectance spectra were used to measure the response of different catalysts to UV-vis light. The photocatalytic activity was investigated for the degradation of rhodamine 6G at room temperature and the light intensity was 1 sun. Bi2O3 exhibited better photocatalytic performance than BSC due to the narrow band gap of Bi2O3, and the coating of Au also endowed the samples with higher photocatalytic capability as compared to the bare one.
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