Room temperature deposition of a TiO2 thin film from aqueous peroxotitanate solution

被引：253

作者：

Gao, YF ^{[1
]}

Masuda, Y ^{[1
]}

Peng, ZF ^{[1
]}

Yonezawa, T ^{[1
]}

Koumoto, K ^{[1
]}

机构：

[1] Nagoya Univ, Dept Appl Chem, Grad Sch Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2003年 / 13卷 / 03期

关键词：

D O I：

10.1039/b208681f

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A transparent, high purity, amorphous titanium dioxide thin film composed of densely packed nanometer-sized grains has been successfully deposited on a glass substrate at room temperature from an aqueous peroxotitanate solution using a simple, inexpensive, reproducible, and environmentally friendly method. The as-deposited thin film was 117 nm thick and composed of closely packed particles of 10-15 nm in diameter, but they aggregated into large grains of 50-100 nm in diameter. The aqueous peroxotitanate solution was obtained by dissolving metatitanic acid (H2TiO3) in a mixture of concentrated H2O2 and NH3.H2O. An anatase TiO2 thin film was obtained by heating the as-deposited thin film at 500degreesC for 1 h in air. A chemical composition of TiO1.4(O-2)(0.5)(OH)(0.2).1.34H(2)O is proposed for the as-deposited thin film, based on XPS, FT-IR and TG-DTA data. Band gap energies of 3.20 eV for indirect transition and 3.63 eV for direct transition were obtained for the anatase TiO2 film.

引用

页码：608 / 613

页数：6

共 54 条

[1] Fabrication of anatase thin films from peroxo-polytitanic acid by spray pyrolysis [J].

Aoki, A ;

Nogami, G .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1996, 143 (09) :L191-L193

[2] Solid-state dye-sensitized mesoporous TiO2 solar cells with high photon-to-electron conversion efficiencies [J].

Bach, U ;

Lupo, D ;

Comte, P ;

Moser, JE ;

Weissörtel, F ;

Salbeck, J ;

Spreitzer, H ;

Grätzel, M .

NATURE, 1998, 395 (6702) :583-585

[3] Band-gap energies of sol-gel-derived SrTiO3 thin films [J].

Bao, DH ;

Yao, X ;

Wakiya, N ;

Shinozaki, K ;

Mizutani, N .

APPLIED PHYSICS LETTERS, 2001, 79 (23) :3767-3769

[4] Photoelectrochemical study of thin anatase TiO2 films prepared by metallorganic chemical vapor deposition [J].

Boschloo, GK ;

Goossens, A ;

Schoonman, J .

JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1997, 144 (04) :1311-1317

[5]

Callaway J., 1974, QUANTUM THEORY SOLID, P516

[6] Peroxide-based route free from halides for the synthesis of lead titanate powder [J].

Camargo, ER ;

Kakihana, M .

CHEMISTRY OF MATERIALS, 2001, 13 (04) :1181-1184

[7]

CASTANEDA L, 2000, MATER CHEM PHYS, V77, P938

[8] ELECTRONIC BAND-STRUCTURE OF TITANIUM-DIOXIDE [J].

DAUDE, N ;

GOUT, C ;

JOUANIN, C .

PHYSICAL REVIEW B, 1977, 15 (06) :3229-3235

[9] Titanium(IV) oxide thin films prepared from aqueous solution [J].

Deki, S ;

Aoi, Y ;

Hiroi, O ;

Kajinami, A .

CHEMISTRY LETTERS, 1996, (06) :433-434

[10] Preparation and microstructure evolution of both freestanding and supported TiO2 thin films [J].

Fan, CL ;

Ciardullo, D ;

Paladino, J ;

Huebner, W .

JOURNAL OF MATERIALS RESEARCH, 2002, 17 (06) :1520-1528

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