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Preparation and characterization of sulfur-doped TiO2/Ti photoelectrodes and their photoelectrocatalytic performance

  • Haijian Sun
  • , Huiling Liu*
  • , Jun Ma
  • , Xiangyu Wang
  • , Bin Wang
  • , Lei Han
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Sulfur-doped TiO2/Ti photoelectrodes were prepared by anodization and characterized by SEM, AFM, XRD, XPS, UV-vis and SPS. The results of investigation indicated that S4+ and S6+ were dispersed on the surface of TiO2 nanoparticles. The doping with an appropriate amount of sulfur expanded the response range of TiO2/Ti photoelectrodes to visible light, and enhanced the separation of photoinduced electrons from cavities. The photoelectrocatalytic performance test run with sulfur-doped TiO2/Ti photoelectrodes under Xenon light indicated that Na2SO3 concentration of 750 mg/L and voltage of 160 V were the optimal conditions for preparation of sulfur-doped TiO2/Ti photoelectrodes.

Original languageEnglish
Pages (from-to)552-559
Number of pages8
JournalJournal of Hazardous Materials
Volume156
Issue number1-3
DOIs
StatePublished - 15 Aug 2008

Keywords

  • Anodization
  • Photocatalytic (PC)
  • Photoelectrocatalytic (PEC) performance
  • Sulfur-doped TiO/Ti photoelectrode

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