Journal
MATERIALS LETTERS
Volume 209, Issue -, Pages 220-223Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.07.115
Keywords
Carbon materials; Nanocomposites; Bi2O3/carbon quantum dots photocatalysts; Photodegradation; Rhodamine B
Funding
- Research Fund for the Doctoral Program of Higher Education of China [20120201130004]
- Science and Technology Developing Project of Shaanxi Province [2015KW-001]
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We reported a facile fabrication of Bi2O3/carbon quantum dots (CQDs) photocatalysts. All the synthesized samples were characterized and investigated. Firstly, irregular beta-Bi2O3 nanosheets were obtained by a thermal treatment of Bi2O2CO3 precursor at 350 degrees C for 3 h in air. Then, different contents of CQDs were incorporated onto the as-obtained beta-Bi2O3 nanosheets in ethanol solution by vigorous stirring. The experimental results demonstrated that the visible light absorption of beta-Bi2O3 photocatalyst is greatly enhanced with the incorporation of CQDs. Furthermore, the fabricated heterostructure photocatalysts exhibited an enhanced photocatalytic activity over the photodegradation of Rhodamine B under the irradiation of visible light, owing to the separation of the photoinduced electrons and holes. (C) 2017 Elsevier B.V. All rights reserved.
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