Journal
MATERIALS LETTERS
Volume 164, Issue -, Pages 127-131Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.10.131
Keywords
Composite materials; XPS; Photocatalyst; Degradation efficiency; Methyl orange
Funding
- Innovation Program for Graduate Education of Jiangsu Province [KYLX_1063]
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W-doped porous g-C3N4 photocatalyst was prepared by a hydrothermal method and characterized by XRD, SEM, BET and XPS. Enhancement of degradation efficiency of methyl orange (MO) by H2O2 addition was evaluated. The degradation efficiency achieves 99.6% within 60 mm under visible light. Based on first-order model, the rate constant (k) of the prepared composite is up to 3.12 times as high as that of porous g-C3N4. W-doped not only narrowed the band gap, but also promoted the separation of the photo-generated electrons and holes. The prepared photocatalyst has potential application for the wastewater treatment containing MO dye. (C) 2015 Elsevier B.V. All rights reserved.
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