Facile postsynthesis of N-doped TiO2-SBA-15 and its photocatalytic activity

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Abstract

N-doped TiO2-SBA-15 (denoted as N-TiO2-SBA-15) material has been successfully synthesized by a two-step procedure. Firstly, TiO2-SBA-15 was prepared by impregnating tetraisopropyl orthotitanate on SBA-15 and followed by calcination at 550°C. In the second step, TiO2-SBA-15 was modified by doping nitrogen with the assistance of urea. The resulting material, N-TiO2-SBA-15, was characterized by XRD, TEM, SEM, N2 adsorption/desorption at 77 K, DR UV-Vis, and XPS. The results showed that N-TiO2-SBA-15 material maintains its ordered hexagonal mesostructure and exhibits the absorption of visible region. The photocatalytic activity of N-TiO2-SBA-15 sample was evaluated by the photodegradation of methylene blue under visible light. © 2013 Thu Phuong Tran Thi et al.

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Thi, T. P. T., Nguyen, D. T., Duong, T. Q., Luc, H. H., & Vo, V. (2013). Facile postsynthesis of N-doped TiO2-SBA-15 and its photocatalytic activity. Advances in Materials Science and Engineering, 2013. https://doi.org/10.1155/2013/638372

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