화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.6, 1838-1844, November, 2013
DOI10.1016/j.jiec.2013.02.029  Export Citation
Synthesis of Sc and V-doped TiO2 nanoparticles and photodegradation of rhodamine-B
Dong Ri Zhang†, Hai Lan Liu, Shun Yu Han, and Wen Xiang Piao
  • Department of Chemical Engineering, College of Engineering, Yanbian University, Yanji 133002, China
E-mail:
Anatase TiO2 nanoparticles doped with Sc and V were synthesized and their photocatalytic activities were evaluated through the photodegradation of rhodamine-B under UV irradiation. TiO2 shows the highest photocatalytic activity and Sc doped TiO2 and V doped TiO2 show lower photocatalytic activity than TiO2. In contrast, Sc and V codoped TiO2 shows no any photocatalytic activity. The reasons for the decrease in photocatalytic activity is due to the presence of surficial Sc2O3 islands covering the reactive sites for Sc doped TiO2 and the increased e-/h+ pair recombination resulted from the high level substitutional V(IV) ions for V doped TiO2, respectively.
Keywords:TiO2;Dopant;Photocatalytic activity;Photodegradation;Rhodamine-B
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