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http://hdl.handle.net/1942/7828
Title: | Preparation of a porous nanocrystalline TiO2 layer by deposition of hydrothermally synthesized nanoparticles | Authors: | BEUSEN, Jorge VAN BAEL, Marlies VAN DEN RUL, Heidi D'HAEN, Jan MULLENS, Jules |
Issue Date: | 2007 | Publisher: | ELSEVIER SCI LTD | Source: | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 27(16). p. 4529-4535 | Abstract: | In this work, a porous nanocrystalline anatase TiO2 layer is prepared by tape casting a viscous dispersion of nanoparticles. Phase pure anatase titanium dioxide nanoparticles with a particle size of 10-20 nm are prepared by a very simple low temperature (100 degrees C) hydrothermal synthesis route in a pressure vessel, using only water as the medium and Ti(IV)-isopropoxide as starting material without additives. The size, shape and phase composition of the particles are studied by means of X-ray diffraction and transmission electron microscopy. A, dispersion of the as-prepared nanoparticles with a narrow particle size distribution, confirmed by photon correlation spectroscopy, is prepared. After increasing the viscosity of this dispersion by addition of hydroxypropyl cellulose, anatase titanium dioxide layers are tape cast on a transparent conducting metal oxide substrate. Pores are induced by burning out the organic additive at 450 degrees C. The morphology and the final phase composition of the deposited TiO2 layers are examined by X-ray diffraction and scanning electron microscopy. (C) 2007 Elsevier Ltd. All rights reserved. | Notes: | Hasselt Univ, Inst Mat Res Inorgan & Phys Chem, B-3590 Diepenbeek, Belgium. Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. IMEC VZW, Div IMOMEC, B-3590 Diepenbeek, Belgium.Mullens, J, Hasselt Univ, Inst Mat Res Inorgan & Phys Chem, Agoralaan Bldg D, B-3590 Diepenbeek, Belgium.jorge.beusen@uhasselt.be marlies.vanbael@uhasselt.be heidi.vandenrul@uhasselt.be jan.dhaen@uhasselt.be jules.mullens@uhasselt.be | Keywords: | anatase; TiO2; suspensions; films; tape casting | Document URI: | http://hdl.handle.net/1942/7828 | ISSN: | 0955-2219 | e-ISSN: | 1873-619X | DOI: | 10.1016/j.jeurceramsoc.2007.02.206 | ISI #: | 000251803600013 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2009 |
Appears in Collections: | Research publications |
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