Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 747, Issue -, Pages 916-925Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.03.107
Keywords
Bi2MoO6/ZnFe2O4 heterojunctions; Nanofibers; Magnetic separation; Photocatalytic activity; Visible light
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Funding
- National Natural Science Foundation of China [51572045, 51272041, 61201107, 11604044, 91233204]
- National Basic Research Program of China (973 Program) [2012CB933703]
- 111 Project [B13013]
- Natural Science Foundation of Jilin Province of China [20160101313JC]
- Fundamental Research Funds for the Central Universities [2412017FZ009, 2412016KJ017]
- Key Laboratory of Polyoxometalate Science of Ministry of Education
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In this paper, Bi2MoO6/ZnFe2O4 heterojunctions were successfully obtained by combining electrospinning and a solvothermal technique. The morphology and loading of Bi2MoO6 nanosheets of Bi2MoO6/ZnFe2O4 heterojunctions could be controlled by adjusting the concentration of molybdenum precursor during the solvothermal process. Comparative experiments revealed that the resulting Bi2MoO6/ZnFe2O4 heterojunctions exhibit a higher visible light photocatalytic activity for the degradation of Rhodamine B (RB) than pure Bi2MoO6 or ZnFe2O4. The photocurrent and PL measurements of the Bi2MoO6/ZnFe2O4 heterojunctions also indicated an enhanced separation of photo-induced electron-hole pairs. Moreover, the heterojunctions could be easily recycled without a decrease in their photocatalytic activity due to their good magnetic separation performance and excellent chemical stability. Based on these findings, Bi2MoO6/ZnFe2O4 heterojunctions are a promising visible-light-driven photocatalyst for converting solar energy to chemical energy for environmental remediation. (c) 2018 Elsevier B.V. All rights reserved.
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