화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.39, 112-120, July, 2016
DOI10.1016/j.jiec.2016.05.015  Export Citation
Sol-gel synthesis of TiO2-Fe2O3 systems: Effects of Fe2O3 content and their photocatalytic properties
Nadir Abbas1, Godlisten N. Shao1, 2, M. Salman Haider3, S.M. Imran1, 4, Sung Soo Park1, and Hee Taik Kim1, †
  • 1Department of Chemical Engineering, Hanyang University, 1271 Sa3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea
  • 2Department of Chemistry, Mkwawa College, University of Dar es Salaam, Iringa, United Republic of Tanzania, Korea
  • 3Department of Civil and Environmental Engineering, Hanyang University, 1271 Sa3-dong, Sangnok-gu, Ansan-si, Gyeonggi-do 426-791, Republic of Korea
  • 4Department of Chemical Engineering, COMSATS Institute of Information Technology, Lahore, Pakistan
E-mail:
An inexpensive sol-gel technique to synthesize TiO2-Fe2O3 nanocomposites with improved structural and photochemical properties is introduced. A series of TiO2-Fe2O3 nanocomposites with different Fe2O3 contents were prepared through cheap TiO2 precursor titanium oxychloride (TiOCl2). The physicochem-ical properties of the samples were examined by XRD, XRF, SEM, EDX, HRTEM, UV-vis DRS, FTIR, TGA and nitrogen gas physisorption studies. The effects of calcination temperatures and Fe2O3 content on the mesostructure and photocatalytic strength of the prepared TiO2-Fe2O3 composites were investigated. Results showed that composites with distinct structural, optical and photochemical properties can be formed by varying Fe2O3 content.
Keywords:Sol-gel process;Titanium oxychloride (TiOCl2);Calcination;Heterogeneous photocatalysis
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