期刊
JOURNAL OF CRYSTAL GROWTH
卷 306, 期 1, 页码 117-122出版社
ELSEVIER
DOI: 10.1016/j.jcrysgro.2007.04.018
关键词
nanostructures; hydrothermal crystal growth; titanium dioxide; semiconducting materials
A convenient hydrothermal method has been developed to synthesize rutile titanium dioxide (TiO2) nanorods by employing TiCl3 and ethanol. X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) investigations reveal that the rods with average diameter of 35 nm are well dispersed with single-crystalline nature. In addition, part nanorods are attached by some nanoparticles. The band gap E-g of obtained TiO2 is about 3.0 eV by ultraviolet (UV)-vis absorption spectrum. An important role of ethanol played in the formation of rod-like nanocrystals is found and the concentration of HCl could also influence their morphologies. (c) 2007 Elsevier B.V. All rights reserved.
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