Journal
SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY
Volume 44, Issue 10, Pages 1439-1442Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15533174.2013.809749
Keywords
Bi2O3; photocatalytic activity; rhodamine B; solar light
Funding
- program of Science and Technology Department of Sichuan province [2013JY0080]
- Specialized Research Fund for the Doctoral Program of Sichuan University of Science and Engineering [2010XJKRL007, 2011PY04, 2012RC18]
- Ministry of Education of Sichuan province [10ZA140, 11ZA127]
- Project of Zigong city [2011G042, 2012H12]
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Bi2O3 and Bi2O3 doped with La and Rh were synthesized by a parallel flaw precipitation method and characterized by Brunauer-Emmett-Teller method (BET), X-ray diffraction, UV-vis diffuse reflectance, X-ray photoelectron spectroscopic techniques, and surface photovoltage. The results indicate that doping La and Rh into Bi2O3 increases the BET surface area, induces the Bi4f(7/2) shift, and promotes the photo-induced charge separation rate. The photocatalytic performance for decolorization of rhodamine B aqueous solution under sunlight was evaluated, the results show that La-doped Bi2O3 with 2mol% possesses the best photocatalytic activity and the possible reason was suggested.
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