화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.55, 140-148, November, 2017
DOI10.1016/j.jiec.2017.06.038  Export Citation
Photocatalyst TiO2/WO3/GO nano-composite with high efficient photocatalytic performance for BPA degradation under visible light and solar light illumination
Xiaoyan Hao, Man Li1, Li Zhang, Kuokuo Wang, and Chunguang Liu†
  • School of Environmental Science and Engineering, Shandong University, Jinan, Shandong Province 250100, China
  • 1Shandong Nuclear and Radiation Safety Monitoring Center, No. ten West 145, Jinan, Shandong Province 250013, China
E-mail:
A high efficient photocatalyst (TiO2/WO3/GO) was developed with tungsten trioxide doping and graphene oxide hybridization. XRD and SEM indicate the formation of crystalline anatase/rutile TiO2 and hexagonal and cubic WO3. UV-vis spectroscopy shows the excellent visible-light-responsive performance. The photocatalyst exhibits excellent photocatalytic performance for bisphenol A degradation under visible light and sunlight irradiations. Transformation by-products were identified and main degradation pathways were proposed. The photocatalytic mechanism is also proposed on the basis of the fact that charge separation is facilitated owing to photo-generated electrons transfer from TiO2 to WO3 to GO and photogenerated holes transfer from WO3 to TiO2.
Keywords:Bisphenol A;Photocatalysis;Tungsten trioxide;Titanium dioxide;Graphene oxide
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