Highly efficient nanocrystalline titania films made from organic/inorganic nanocomposite gels

被引:82
作者
Stathatos, E
Lianos, P [1 ]
Tsakiroglou, C
机构
[1] Univ Patras, Dept Engn Sci, GR-26500 Patras, Greece
[2] FORTH, ICE, HT, GR-26504 Patras, Greece
关键词
titania; films; organic/inorganic nano composite; gels;
D O I
10.1016/j.micromeso.2004.07.006
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Thin transparent nanocrystalline titania films have been obtained from nanocomposite organic/inorganic gels by calcination at 550 degreesC. These gels have been deposited by the sol-gel process, where gelation is controlled by slow water release in the presence of ethanol and acetic acid while particle growth is controlled in the presence of the non-ionic surfactant Triton X-100. These titania films can attain high surface area (above 100 m(2)/g) while maintaining high quality nanocrystallinity so that they become very efficient for various applications, including dye-sensitized solar cells and photodegradation. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:255 / 260
页数:6
相关论文
共 26 条
[1]   Synthesis of phosphorus-free mesoporous titania via templating with amine surfactants [J].
Antonelli, DM .
MICROPOROUS AND MESOPOROUS MATERIALS, 1999, 30 (2-3) :315-319
[2]   Titania powder modified sol-gel process for photocatalytic applications [J].
Balasubramanian, G ;
Dionysiou, DD ;
Suidan, MT ;
Subramanian, Y ;
Baudin, I ;
Laîné, JM .
JOURNAL OF MATERIALS SCIENCE, 2003, 38 (04) :823-831
[3]   1H and 13C NMR observation of the reaction of acetic acid with titanium isopropoxide [J].
Birnie, DP ;
Bendzko, NJ .
MATERIALS CHEMISTRY AND PHYSICS, 1999, 59 (01) :26-35
[4]   Photodegradation of Basic Blue by highly efficient nanocrystalline titania films [J].
Bouras, P ;
Stathatos, E ;
Lianos, P ;
Tsakiroglou, C .
APPLIED CATALYSIS B-ENVIRONMENTAL, 2004, 51 (04) :275-281
[5]   Self-organization of TiO2 nanoparticles in thin films [J].
Burnside, SD ;
Shklover, V ;
Barbe, C ;
Comte, P ;
Arendse, F ;
Brooks, K ;
Gratzel, M .
CHEMISTRY OF MATERIALS, 1998, 10 (09) :2419-2425
[6]   Solventless acid-free synthesis of mesostructured titania:: Nanovessels for metal complexes and metal nanoclusters [J].
Dag, Ö ;
Soten, I ;
Çelik, Ö ;
Polarz, S ;
Coombs, N ;
Ozin, GA .
ADVANCED FUNCTIONAL MATERIALS, 2003, 13 (01) :30-36
[7]   Photoelectrochemical cells [J].
Grätzel, M .
NATURE, 2001, 414 (6861) :338-344
[8]   XRD, Raman and FT-IR spectroscopic observations of nanosized TiO2 synthesized by the sol-gel method based on an esterification reaction [J].
Ivanda, M ;
Music, S ;
Popovic, S ;
Gotic, M .
JOURNAL OF MOLECULAR STRUCTURE, 1999, 481 :645-649
[9]   Mesoporous thin film TiO2 electrodes [J].
Kavan, L ;
Rathousky, J ;
Grätzel, M ;
Shklover, V ;
Zukal, A .
MICROPOROUS AND MESOPOROUS MATERIALS, 2001, 44 :653-659
[10]   Performance and stability of TiO2/dye solar cells assembled with flexible electrodes and a polymer electrolyte [J].
Longo, C ;
Freitas, J ;
De Paoli, MA .
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2003, 159 (01) :33-39