Journal
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Volume 35, Issue -, Pages 45-54Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2015.02.072
Keywords
Heterojunction photocatalyst; g-C3N4; Visible light; Bi2MoO6 nanoplates
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Funding
- National Natural Science Foundation of China, China [51272107, 51372118]
- Doctor Discipline Special Research Foundation of Chinese Ministry of Education [20133219110015]
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The Bi2MoO6/g-C3N4 heterojunction photocatalysts have been successfully fabricated using a simple liquid chemisorptions and thermal post-treatment. These nanostructured Bi2MoO6/g-C3N4 composites were extensively characterized by X-ray diffraction(XRD), field emission scanning electron microscopy (FESEM), transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR),UV-vis diffuse reflectance spectra (UV-vis DRS) and Photoluminescence (PL). The photocatalytic results show that 20 wt% Bi2MoO6/g-C3N4 sample exhibits efficient visible light activity and excellent photo-stability. The kinetic constant of RhB degradation over 20 wt% Bi2MoO6/g-C3N4 is about 5 and 2.5 times higher than that over pure Bi2MoO6 and g-C3N4 nanosheets, respectively. The enhanced photocatalytic performance is attributed to the construction of heterogeneous interface to promote photo-induced charge carrier pairs separation. (C) 2015 Elsevier Ltd. All rights reserved.
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