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http://dx.doi.org/10.9713/kcer.2012.50.1.182

Preparation of Visible-light Active TiO2 Nanotubes by Solution Method  

Lee, Hyun-Mi (Korea Research Institute of Chemical Technology)
So, Won-Wook (Korea Research Institute of Chemical Technology)
Baeg, Jin-Ook (Korea Research Institute of Chemical Technology)
Kong, Ki-Jeong (Korea Research Institute of Chemical Technology)
Moon, Sang-Jin (Korea Research Institute of Chemical Technology)
Publication Information
Korean Chemical Engineering Research / v.50, no.1, 2012 , pp. 182-185 More about this Journal
Abstract
N-doped $TiO_2$nanotubes have been newly prepared by two stage sol-gel and strong-alkali hydrothermal process using $TiCl_4$ and hydrazine/ammonia aqueous solution as raw materials. These nanotubes revealed a well developed anatase crystalline phase and perfect nanotube morphology with the diameter around 10nm and the wall thickness below 3 nm. Also, they showed a superior visible light activity and yellowish color due to the light absorption redshifted by ~35 nm and ~25 nm compared to undoped $TiO_2$ nanotubes and anatase nanoparticles, respectively.
Keywords
Titania; Titanium Oxide; Nanotube; Visible Light; N-Doped;
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