Facile synthesis, characterization and recyclable photocatalytic activity of Ag2WO4@g-C3N4

Title
Facile synthesis, characterization and recyclable photocatalytic activity of Ag2WO4@g-C3N4
Author(s)
강미숙비그니쉬쿠마라벨
Keywords
VISIBLE-LIGHT IRRADIATION; ORGANIC POLLUTANT DEGRADATION; AG3PO4 SUB-MICROCRYSTALS; HIGHLY EFFICIENT; PLASMONIC PHOTOCATALYST; COMPOSITE PHOTOCATALYST; ALPHA-AG2WO4 MICROCRYSTALS; HYDROTHERMAL SYNTHESIS; ELECTRONIC-STRUCTURES; ASSISTED SYNTHESIS
Issue Date
201509
Publisher
ELSEVIER SCIENCE BV
Citation
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, v.199, pp.30 - 36
Abstract
Silver tungstate (Ag2WO4) supported on graphite like carbon nitride (Ag2WO4@g-C3N4) was synthesized via sono-chemical impregnation method to improve the photo-stability. The photocatalytic performance was evaluated for the degradation of methylene blue (MB) dye under simulated solar light irradiation. The surface area, light absorption capacity and photocatalytic activity of Ag2WO4 were improved in the presence of g-C3N4 support. The photocatalyst of Ag2WO4@g-C3N4 (40%) exhibited the best performance (100%) for the degradation of MB within 120 min of irradiation time. The recycling experiments revealed that the photo-corrosion behavior of Ag2WO4 was strongly inhibited by g-N-3(4). A possible mechanism was proposed to explain the electron-hole transfer process between Ag2WO4 and g-C3N4. The results of this research work testified that Ag2WO4@g-C3N4 could be used as a promising photocatalyst under solar light exposure. (C) 2015 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/31079http://dx.doi.org/10.1016/j.mseb.2015.04.009
ISSN
0921-5107
Appears in Collections:
이과대학 > 화학생화학부 > Articles
문과대학 > 중국언어문화학과 > Articles
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