Fabrication of nano-structured Titania - Thin-Films on Carbon-coated Nickel sheets

Details Fabrication of nano-structured Titania - Thin-Films on Carbon-coated Nickel sheets Fabrication of nano-structured Titania - Thin-Films on Carbon-coated Nickel sheets

2004-04-09

arxiv.org/abs/cond-mat/0404221v1

Adv. in Tech. of Mat. and Mat. Proc. J. (ATM) Vol.6 [2] (2004) 264-269

Physics

Condensed Matter

Materials Science

5 pages, 6 figures

Scientific paper

This research for Eco-materials focuses on the improvement of photo response of titania thin films. The goal of this research is to find a suitable substrate for decreasing the band-gap of titania, to improve the microstructure and to seek for new processing techniques in nano-meter scale. The sol-gel technique using titanium-tetra-iso-propoxide (TTIP), di-ethanol-amine (DEA) and ethanol was applied by using the dip-coating method. The substrate is a nickel-sheet covered with amorphous carbon-layers or carbon-nano-tubes (CNT), both produced with plasma- enhanced chemical vapor deposition (PECVD) by varying the temperature and the gas molecule velocity. The microstructure of these titania thin films show nanometer-structured pores, which are supposed to decrease the band gap according to the literature. Possible applications for photo catalytic devices will be discussed.

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