화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.32, No.5, 860-866, May, 2015
DOI10.1007/s11814-014-0272-3  Export Citation
Effects of nitrogen and carbon doping on properties and photocatalytic activity of TiO2-In2O3 composite
Chung-Hsin Wu†, Chao-Yin Kuo1, Jui-Tai Wu, Pui-Kwan Andy Hong2, Chih-Hao Lai, and Wei-Yang Chung
  • Department of Chemical and Materials Engineering, National Kaohsiung University of Applied Sciences, 415 Chien Kung Road, Kaohsiung, Taiwan
  • 1Department of Environmental and Safety Engineering, National Yunlin University of Science and Technology, 123 University Road, Sec. 3, Douliou, Yunlin, Taiwan
  • 2Department of Civil and Environmental Engineering, University of Utah, Salt Lake City, UT, USA
E-mail:
TiO2-In2O3 (Ti-In) was synthesized by the sol-gel method and the composite was further doped with nitrogen and carbon to create Ti-In-N and Ti-In-C, respectively. The dye C.I. Reactive Red 2 (RR2) was used a model compound to be subjected to various composites and measured for removal by photocatalytic degradation and adsorption. Ti-In-N possessed a larger mean diameter than Ti-In-C, while the latter possessed a greater anatase content and surface area than the former. After N or C doping, the spectra of corresponding Ti-In-N and Ti-In-C showed absorption edges at longer wavelengths than the parent Ti-In. Ti-N-O and Ti-O-C bonds were found in Ti-In-N and Ti-In-C composites, respectively. Ti-In-N was more effective for RR2 photodegradation than Ti-In-C, and the Ti-In-C removed more RR2 by adsorption than Ti-In-N.
Keywords:TiO2;In2O3;Nitrogen-doping;Carbon-doping;Photodegradation
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