期刊
MATERIALS LETTERS
卷 244, 期 -, 页码 151-154出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2019.02.066
关键词
g-C3N4 nanosheets; Hybrid membrane; Chemical vapor deposition; Carbon materials; Photocatalytic degradation
资金
- NSFC, China [51527804]
- Scientific Research Foundation committee for the Returned Overseas Chinese Scholars of Heilongjiang Province [LC2016003]
A hybrid membrane successfully fabricated via chemical vapor deposition can be used as a visible-light photocatalyst to effectively degrade water-soluble methylene dye. High pyrolysis temperatures cause urea precursor to form thin g-C3N4 nanosheets and to grow on the surface of carbonized cellulose-based filter paper, which functions as a stable substrate and charge transfer carrier. Via oxygen plasma treatment, the hybrid membrane exhibits wettability in water, which is beneficial in terms of adsorbing organic pollutions. Consequently, as a static photocatalyst and flow-through membrane, it presents higher levels of photocatalytic activity for degrading methylene blue. Meanwhile, the hybrid membrane maintains a steady flux and high levels of degrade efficiency after 5 cycles under visible-light irradiation. (C) 2019 Elsevier B.V. All rights reserved.
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