Synthesis and Characterization of C-N-Cl-Codoped TiO₂ with Enhanced Visible Light Response

Abstract:

A novel visible-light-active C-N-Cl-codoped TiO2 photocatalyst was prepared by a simple process. The as-prepared sample was characterized by XRD, XPS, and UV-Vis. The analysis results showed that the as-synthesized sample was anatase and possessed a narrow bad gap of 2.4 eV after the doping of carbon, nitrogen and chlorine. An obvious absorption for visible light was observed in the range of 400~700 nm for C-N-Cl-codoped TiO2. By degrading of methyl orange (MO) solution under the visible light (l>420 nm) irradiation, the synthesized photocatalyst showed 5 times photocatalytic activity than that of P25.

• Periodical: Advanced Materials Research (Volume 382)
• Pages: 431-434
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.382.431
• Online since: November 2011
• Authors: Long Hui Nie, Zheng Qing Huang, Wang Xi Zhang
• Keywords: C-N-Cl-Codoped TiO₂, Photocatalysis, Visible Light Activity

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