Please use this identifier to cite or link to this item: 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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