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Solid state sciences v.64, 2017년, pp.1 - 6   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Facile fabrication of transparent TiO2-C@TiO2-C free-standing film for visible-light photocatalytic application

Hu, Luyang (School of Materials Science and Engineering, Anhui University of Science & Technology, Huainan, 232001, China ); Zhang, Yumin ( National Key Laboratory of Science and Technology on Advanced Composites in Special Environment, Harbin, 150001, China ); Zhang, Shanmei ( School of Science, Anhui University of Science & Technology, Huainan, 232001, China ); Li, Benxia ( School of Materials Science and Engineering, Anhui University of Science & Technology, Huainan, 232001, China );
  • 초록  

    Abstract A transparent TiO 2 -C@TiO 2 -C free-standing film has been synthesized by two-step hydrothermal method and subsequent thermal annealing. The chemical composition and morphological features of the TiO 2 -C@TiO 2 -C film are characterized using X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy and N 2 adsorption-desorption measurement. The results indicate that the flower-like micro/nanostructure TiO 2 -C particle layers are intimately inhered to porous TiO 2 -C fibers. The fibers in film are interconnected each other to form a three-dimensional reticulate microstructure, and exhibit intense visible light absorption and high adsorptivity of dye molecules. The interaction between TiO 2 and its surface carbon layer in TiO 2 -C particle promotes the generation of Ti- O -C bonds, which leads to effective charge transfer. Under visible-light irradiation, TiO 2 -C@TiO 2 -C film presents enhanced photocatalytic activity for degradation of methylene blue. This work may provide a new viewpoint for designing transparent photocatalytic film for promising applications in heterogeneous photocatalysis. Highlights A transparent TiO 2 -C@TiO 2 -C free-standing film is synthesized. The film preserves 3D reticulate microstructure of cellulose paper. The flower-like TiO 2 -C particle layers are intimately inhered to TiO 2 -C fiber. Introduction of secondary carbon promotes the generation of Ti- O -C bonds. TiO 2 -C@TiO 2 -C film exhibits enhanced photocatalytic activity for MB degradation. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    TiO2-C@TiO2-C .   Transparent free-standing film .   Microstructure .   Interfacial interaction .   Photocatalysis.  

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