Abstract
A novel Ag/BiOBr composite catalyst has been synthesized by a solution combination with photodeposited method. The as-synthesized catalysts were characterized by powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, and UV–Vis diffuse reflectance spectra. The photocatalytic reaction tests in the degradation of the dyes of acid orange II, rhodamine B and methyl orange showed that the deposition of optimal amount of 1–2 wt% Ag could bring about a big increase in the activity under visible light irradiation. The high photocatalytic performance could be attributed to the strong visible light absorption and low recombination rate of the e−/h+ pairs resulted in by the presence of metal silver nanoparticles.
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Acknowledgments
This work was financially supported by the National Natural Science Foundation of China (No. 21067004), Natural Science Foundation of Jiangxi Province (No. 2010GZH0048), the Young Science Foundation of Jiangxi Province Education Office (No. GJJ10150) and Open Foundation of State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University (No. 200906).
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Yu, C., Fan, C., Meng, X. et al. A novel Ag/BiOBr nanoplate catalyst with high photocatalytic activity in the decomposition of dyes. Reac Kinet Mech Cat 103, 141–151 (2011). https://doi.org/10.1007/s11144-011-0291-6
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DOI: https://doi.org/10.1007/s11144-011-0291-6