The Effect of Solvents Amount on Size of Titanium Dioxide Crystals Produced by Supercrititical Carbon Dioxide Modified by Water.

0470334 - ÚCHP 2017 DE eng C - Conference Paper (international conference)
Cerhová, Marie - Sajfrtová, Marie - Matějová, L. - Dřínek, Vladislav - Daniš, S. - Jandová, Věra
The Effect of Solvents Amount on Size of Titanium Dioxide Crystals Produced by Supercrititical Carbon Dioxide Modified by Water.
Book of Abstracts. 2016, s. 222. ISBN N.
[European Meeting on Supercritical Fluids /15./. Essen (DE), 08.05.2016-11.05.2016]
R&D Projects: GA ČR GA14-23274S
Institutional support: RVO:67985858
Keywords : TiO2 * extraction * carbobn dioxide
Subject RIV: CI - Industrial Chemistry, Chemical Engineering

The supercritical fluid crystallization by pure and water modified supercritical carbon dioxide was used for the preparation of crystalline and pure nanostructured TiO2 thin films. Simultaneous, organic precursors used in the synthesis of solution to prepare thin films by sol-gel method were removed. The influence of temperature and the volume of solvent on the microstructure and the purity of TiO2 thin films was monitored by Raman spectroscopy and X-ray diffraction analysis. Anatase crystalline structure was achieved by the process with scCO2 modified by 30 wt. % water at temperature 150 °C.
Permanent Link: http://hdl.handle.net/11104/0268005