Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 64, Issue -, Pages 206-218Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.03.017
Keywords
TiO2; g-C3N4; Halloysite nanotubes; Heterojunction; Photocatalytic
Funding
- National Natural Science Foundation of China [21576125, 21407064, 21676127, U1662125, U1510126]
- National Science Foundation of Jiangsu Province [BK20151349, BK20150536]
- China Postdoctoral Science Foundation [2015M571683, 2016M590418]
- Postdoctoral Science Foundation of Jiangsu Province [1501102B]
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An Intercalated heterostructural g-C3N4/TiO2/HNTs supported photocatalyst was successfully prepared via sol-gel and calcination methods. The introduction of HNTs and the g-C3N4-TiO2 heterojunction effectively enhanced the charge transfer and separation efficiency of photogenerated electron-hole pairs, which endued the g-C3N4/TiO2/HNTs hybrid material with an outstanding photoelectric performance and good stability. And an obviously enhanced photocatalytic activity was exhibited by photodegrading ciprofloxacin compared with pure TiO2. Furthermore, the main active species were detected through trapping experiment and ESR spin-trap technique with DMPO, which confirmed that the center dot O-2(-) and the H+ were the main active species in the photocatalytic system. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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