화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.41, 130-140, September, 2016
DOI10.1016/j.jiec.2016.07.013  Export Citation
Construction of TiO2 hollow nanosphere/g-C3N4 composites with superior visible-light photocatalytic activity and mechanism insight
Yinhua Jiang†, Fan Li, Yan Liu, Yuanzhi Hong1, Peipei Liu, and Liang Ni
  • School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
  • 1School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, PR China
E-mail:
An interlayer structure hybrid photocatalyst of TiO2 hollow sphere/g-C3N4 (TOCN) has been successfully constructed via a facile impregnation process. The photocatalytic activity was evaluated by degrading Rhodamine B under visible irradiation. TOCN-2 with 33 wt.% g-C3N4 had much higher photocatalytic efficiency (98.09%) than pure g-C3N4 (18.62%) and TiO2 hollow sphere (16.37%). Significantly, TOCN-2 showed much superior photocatalytic performance than TiO2 nanoparticle/g-C3N4 composite (53.16%), indicating the hollow morphology of TiO2 also played a crucial role for RhB degradation. In TOCN system, both the morphology effect of TiO2 and the synergistic effects between TiO2 and g-C3N4 resulted in significantly enhancing photocatalytic performance.
Keywords:TiO2 hollow spheres;g-C3N4;Visible-light photocatalytic activity;Interlayer structure;Synergistic effects
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