Multi-faceted titanium glycolate and titania structures from room-temperature polyol process

Multi-faceted microstructures of titanium glycolate have been produced by room-temperature polyol process in which titanium alkoxide and polymethylene glycol were mixed rigorously and then the mixture was aged to settle down as white precipitate. Depending on types of titanium alkoxides and polymethylene glycols, stirring time, and composition, a variety of polygonal microrods were generated. Unlike unidentified structures produced from polyol process at elevated temperature, the titanium glycolate products obtained at room temperature revealed well-defined rod-like or plate-like structures with polygonal cross sections. Then, as-prepared titanium glycolate microstructures were transformed into higher refractive index titania of anatase or rutile phase by annealing. The characterization of as-prepared and annealed structures was conducted using scanning and transmission electron microscopes, X-ray diffractomer, and thermal analyzer for thermogravimetry and differential scanning calorimetry. (C) 2007 Elsevier Inc. All rights reserved.
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Issue Date
2007-12
Language
ENG
Keywords

LIGHT-SCATTERING; SINGLE-CRYSTAL; FIELD-EMISSION; NANOWIRES; NANOPARTICLES; ARRAYS; PHASE

Citation

JOURNAL OF COLLOID AND INTERFACE SCIENCE, v.316, no.1, pp.175 - 182

ISSN
0021-9797
DOI
10.1016/j.jcis.2007.07.043
URI
http://hdl.handle.net/10203/12728
Appears in Collection
CBE-Journal Papers(저널논문)
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