Journal
APPLIED SURFACE SCIENCE
Volume 430, Issue -, Pages 595-602Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2017.06.093
Keywords
Porous g-C3N4; BiVO4; Heterojunction; Z-Scheme mechanism; Photocatalysis; Visible light
Categories
Funding
- National Natural Science Foundation of China [51572103, 51502106]
- Foundation for Young Talents in College of Anhui Province [12600941]
- Leading talent of Anhui Province and Innovation Team of Design and Application of Advanced Energetic Materials
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In this research work, we successfully prepared the Z-scheme BiVO4/porous graphite carbon nitride (Pg-C3N4) composite by hydrothermal process at 180 degrees C, which realized strong redox capability under visible light, which was proved by enhanced photocatalytic degradation of methylene blue solution. The kapp of 60% BiVO4/Pg-C3N4 was 0.05251 min(-1), which was 4.6 and 7.2 times higher than that of BiVO4 (0.00938 min(-1)) and Pg-C3N4 (0.00643 min(-1)), respectively. The separation of charge carriers was effectively promoted, which was revealed by photoluminescence (PL) spectra and transient photocurrent response. Eventually, possible mechanism was also proposed. (C) 2017 Elsevier B.V. All rights reserved.
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