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Preparation of TiO2 microcoils from carbon microcoil templates using a sol–gel process

✍ Scribed by S. Motojima; T. Suzuki; Y. Noda; A. Hiraga; H. Iwanaga; T. Hashishin; Y. Hishikawa; S. Yang; X. Chen

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
449 KB
Volume
378
Category
Article
ISSN
0009-2614

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✦ Synopsis

Novel TiO 2 microcoils were obtained by coating TiO 2 layers on the carbon microcoil templates by using a sol-gel process. The preparation conditions, morphologies, microstructure, and some properties were examined. It was found that helical TiO 2 fibers, including TiO 2 microcoils (TMCs) or TiO 2 microtubes with negative coiling patterns on the surface (TMCNCs) were obtained, depending on the coating conditions. TMCNCs were formed when used low concentrations of titanium tetra-isopropoxide in ethanol, while TMCs were formed when used high concentrations.

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