Meso-porous ZnO nano-triangles @ graphitic-C3N4 nano-foils: Fabrication and Recyclable photocatalytic activity

Title
Meso-porous ZnO nano-triangles @ graphitic-C3N4 nano-foils: Fabrication and Recyclable photocatalytic activity
Author(s)
강미숙곽병섭강소라비그니쉬쿠마라벨
Keywords
VISIBLE-LIGHT IRRADIATION; GRAPHITE-LIKE C3N4; METHYLENE-BLUE; COMPOSITE PHOTOCATALYST; HYDROTHERMAL SYNTHESIS; HYBRID PHOTOCATALYST; G-C3N4/ZNO COMPOSITE; SOLAR-RADIATION; IONIC-LIQUID; DEGRADATION
Issue Date
201506
Publisher
ELSEVIER SCIENCE BV
Citation
SEPARATION AND PURIFICATION TECHNOLOGY, v.147, pp.257 - 265
Abstract
Meso-porous ZnO nano-triangles @ g-C3N4 nano-foils (ZnO-nt@g-C3N4) was synthesized through a sono-chemical impregnation method. The photocatalytic activity was tested for the degradation of rhodamine-B (Rh-B) dye under simulated solar light irradiation. The concentration of g-C3N4 was found to be significant on the photocatalytic efficiency of ZnO-nt@g-C3N4. Compared to pure ZnO-nt and g-C3N4, the photocatalytic activity of ZnO-nt@g-C3N4 was greatly improved due to the synergistic effect. The photocatalyst of ZnO-nt@g-C3N4 (20%) exhibited 100% photocatalytic activity within 60 min. The recycling results also demonstrated that the photo-deactivation of ZnO-nt was completely arrested by g-C3N4 modification. A possible photocatalytic mechanism was proposed for the enhanced activity of ZnO-nt@g-C3N4. The outcome of this research work was also compared with previously reported catalysts. The results of this present work could be used for the application dye waste water treatment under solar light exposure. (C) 2015 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/32034http://dx.doi.org/10.1016/j.seppur.2015.04.043
ISSN
1383-5866
Appears in Collections:
이과대학 > 화학생화학부 > Articles
문과대학 > 중국언어문화학과 > Articles
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