Using Bi2O3 and Co(NO3)2 as precursors,the heterogeneous semiconductor photocatalysts of Co3O4/ Bi2O3 with different contents of Co3O4 were prepared by impregnation method. The photocatalysts were characterized by infrared spectroscopy(IR) and fluorescence spectra of solid phase. The photocatalytic properties of catalysts were tested and characterized. Using methyl orange as the model compounds of photocatalytic reaction,photocatalytic activities of UV and visible light of Co3O4/ Bi2O3 of heterogeneous phot...
随着工业生产的快速发展,工业污染治理技术的要求提高,光催化技术在环境治理方面的研究也越来越多[1-2]。半导体Bi2O3主要有4种晶型,β-Bi2O3能带隙为2.58 e V,α-Bi2O3能带隙为2.85 e V,可吸收波长大于400 nm的可见光[3],是一种具有潜在应用价值的可见光催化材料。为了进一步?
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