Visible-light-driven TiO2 photocatalyst synthesis and photocatalytic properties

Vu Anh Tuan; Bui Thi Hai Linh; Hoang Yen; Dinh Cao Thang; Tran Manh Cuong; Dang Tuyet Phuong; Tran Thi Kim Hoa; Hoang Vinh Thang; Nguyen Van Hoa; Nguyen Quoc Tuan

doi:10.1117/12.810712

30 December 2008 Visible-light-driven TiO₂ photocatalyst synthesis and photocatalytic properties

Vu Anh Tuan, Bui Thi Hai Linh, Hoang Yen, Dinh Cao Thang, Tran Manh Cuong, Dang Tuyet Phuong, Tran Thi Kim Hoa, Hoang Vinh Thang, Nguyen Van Hoa, Nguyen Quoc Tuan

Author Affiliations +

Proceedings Volume 7269, Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV; 726915 (2008) https://doi.org/10.1117/12.810712
Event: SPIE Smart Materials, Nano- and Micro-Smart Systems, 2008, Melbourne, Australia

Abstract

Nano TiO₂ was synthesized by hydrothermal method. The sample was modified by doping transition metal ion (V, Cr and Fe) and non metal (N). Doped TiO₂ samples were characterized by XRD (X-ray diffraction), FE-SEM (Fieldemission scanning electron microscopy) and UV-Vis (UV-Vis diffuse reflectance spectroscopy). Photocatalytic activity in mineralization of xylene (vapor phase), methylene blue and active dyer PR (liquid phase) were tested. In comparison to non-doped TiO₂, V-,Cr-,Fe-doped TiO₂ and N-doped TiO₂ samples exhibited much higher photocatalytic activity using visible light instead of UV.

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Vu Anh Tuan, Bui Thi Hai Linh, Hoang Yen, Dinh Cao Thang, Tran Manh Cuong, Dang Tuyet Phuong, Tran Thi Kim Hoa, Hoang Vinh Thang, Nguyen Van Hoa, and Nguyen Quoc Tuan "Visible-light-driven TiO₂ photocatalyst synthesis and photocatalytic properties", Proc. SPIE 7269, Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV, 726915 (30 December 2008); https://doi.org/10.1117/12.810712

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