|Table of Contents|
[1].Synthesis and enhanced photocatalytic performance of Ag/AgCl/TiO2 nanocomposites prepared by ion exchange method[J].Journal of Materiomics,2018,(04):402-411.[doi:https://doi.org/10.1016/j.jmat.2018.06.002]
　Qionglian Yang,Mingyu Hu,Jun Guo,et al.Synthesis and enhanced photocatalytic performance of Ag/AgCl/TiO2 nanocomposites prepared by ion exchange method[J].Journal of Materiomics,2018,(04):402-411.[doi:https://doi.org/10.1016/j.jmat.2018.06.002]
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Synthesis and enhanced photocatalytic performance of Ag/AgCl/TiO2 nanocomposites prepared by ion exchange method(PDF)



Journal of Materiomics[ISSN:/CN:]

volumne:
Issue:
2018年04期
Page:
402-411
Research Field:
Publishing date:
2018-11-22

Info

Title:
Synthesis and enhanced photocatalytic performance of Ag/AgCl/TiO2 nanocomposites prepared by ion exchange method
Highlights:
Qionglian Yang; Mingyu Hu; Jun Guo; Zhenhua Ge; Jing Feng
Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming, 650093, China
Keywords:
Photocatalyst; Ag/AgCl/TiO2; Stability; Nnanoscale; Ion exchange method
PACS:
-
DOI:
https://doi.org/10.1016/j.jmat.2018.06.002
Abstract:
Ag/AgCl/TiO2 nanocomposite was synthesized through the combination of sol-gel process and hydrothermal (HT) method followed by ion exchange method in the paper. Transmission electron microscope, UV-vis absorption property and X-ray diffraction were utilized to characterize the morphology, optical absorption property and phase structure of the as-prepared photocatalysts. The morphological and performance studies of Ag/AgCl/TiO2 revealed that a well-interconnected mixed phase heterojunction photocatalyst was achieved through as-prepared TiO2 and the subsequent ion exchange method. By the degradation of Rhodamine B under xenon lamp, Ag/AgCl/TiO2 exhibited a significant enhancement in photocatalytic activity compared with TiO2 and Ag/TiO2. The band gap of Ag/AgCl/TiO2 can reach to 2.53eV compared with 3.22eV of the prepared TiO2. Furthermore, the synthesis process and photoreaction mechanisms of TiO2, Ag/TiO2 and Ag/AgCl/TiO2 photocatalysts were proposed. It demonstrated that the enhancement of photocatalytic was mainly due to the reducing of electron-hole recombination in Ag/AgCl/TiO2.

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Last Update: 2018-11-22