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Proceedings Paper

Visible-light-driven TiO2 photocatalyst synthesis and photocatalytic properties
Author(s): 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
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Paper 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.

Paper Details

Date Published: 30 December 2008
PDF: 8 pages
Proc. SPIE 7269, Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV, 726915 (30 December 2008); doi: 10.1117/12.810712
Show Author Affiliations
Vu Anh Tuan, Vietnamese Academy of Science and Technology (Viet Nam)
Bui Thi Hai Linh, Vietnamese Academy of Science and Technology (Viet Nam)
Hoang Yen, Vietnamese Academy of Science and Technology (Viet Nam)
Dinh Cao Thang, Vietnamese Academy of Science and Technology (Viet Nam)
Tran Manh Cuong, Vietnamese Academy of Science and Technology (Viet Nam)
Dang Tuyet Phuong, Vietnamese Academy of Science and Technology (Viet Nam)
Tran Thi Kim Hoa, Vietnamese Academy of Science and Technology (Viet Nam)
Hoang Vinh Thang, Vietnamese Academy of Science and Technology (Viet Nam)
Nguyen Van Hoa, Vietnamese Academy of Science and Technology (Viet Nam)
Nguyen Quoc Tuan, Univ. of Da Lat (Viet Nam)


Published in SPIE Proceedings Vol. 7269:
Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems IV
Jung-Chih Chiao; Alex J. Hariz; David V. Thiel; Changyi Yang, Editor(s)

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