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Synthesis, characterization and photocatalytic activity of Ag/AgCl/graphite-like C3N4 under visible light irradiation.

Authors
  • Yan, Jia
  • Xu, Hui
  • Xu, Yuanguo
  • Wang, Cheng
  • Song, Yanhua
  • Xia, Jiexiang
  • Li, Huaming
Type
Published Article
Journal
Journal of Nanoscience and Nanotechnology
Publisher
American Scientific Publishers
Publication Date
Sep 01, 2014
Volume
14
Issue
9
Pages
6809–6815
Identifiers
PMID: 25924335
Source
Medline
License
Unknown

Abstract

A new type of Ag/AgCl/g-C3N4 composite could be facilely fabricated. The techniques of X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflectance spectroscopy (DRS), Fourier transform infrared spectra (FT-IR) were used to characterize the phase and structure of the samples. The activity of the Ag/AgCl/g-C3N4 composites for photodegradation of methyl orange (MO) was higher than that of either the pure g-C3N4 or Ag/AgCl. DRS of Ag/AgCl/g-C3N4 composites exhibited strong absorbance in the visible region due to the localized surface plasmon resonance (LSPR) absorption of metal Ag nanomaterial. The enhancement of photocatalytic activity of the Ag/AgCI/g-C3N4 composites was attributed to the effective charge transfer from plasmon-excited Ag to AgCI, which suppressed the charge recombination during photocatalytic reaction process.

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