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Choline Chloride Assisted Synthesis of N and Metal Codoped TiO 2 and their Photocatalytic Activity under Visible Light
Author(s) -
Kaur Navneet,
Shahi Satwant Kaur,
Singh Vasundhara
Publication year - 2015
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/php.12532
Subject(s) - photocatalysis , choline chloride , visible spectrum , choline , chloride , metal , nuclear chemistry , chemistry , photochemistry , inorganic chemistry , materials science , catalysis , biochemistry , organic chemistry , optoelectronics
A few nanocrystalline N,metal codoped TiO 2 (metal = Cr, Mn, Fe, Co, Ni, Cu and Zn) have been synthesized by a simple sol–gel method using choline chloride which is biodegradable, low cost, nontoxic ionic salt both as a structure directing agent and source of nitrogen. The prepared samples were well characterized by XRD , HRTEM , FTIR , DRS , EDX , XPS and BET techniques. The photocatalytic activity of all synthesized N, metal codoped TiO 2 has been carried out for the degradation of Reactive Black 5 dye under visible light irradiation and among them, N, Fe codoped TiO 2 was found to be the best for the degradation of Reactive Black 5 dye. The effect of incorporated metals on the photocatalytic activity of the various modified TiO 2 has been discussed in detail based on the mechanism involved in the degradation of dye and their physico‐chemical properties which includes surface area, particle size, defect sites, phase, band gap and electron–hole recombination effect.