Influence of temperature on structural and optical properties of nano-crystalline TiO2 films prepared by Sol-Gel dip-drive coating

被引：0

作者：

Sakthivel, K. ^{[1
]}

Venkatachalam, T. ^{[2
]}

机构：

[1] Hindusthan Coll Engn & Technol, Dept Phys, Coimbatore 641032, Tamil Nadu, India

[2] Coimbatore Inst Technol, Dept Phys, Coimbatore 641014, Tamil Nadu, India

来源：

OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS | 2013年 / 7卷 / 7-8期

关键词：

TiO2; Sol-Gel dip-drive coating; Band gap; Band structure; Effective mass of electrons and holes; THIN-FILMS;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nanocrystalline TiO2 thin films have been deposited on well cleaned glass substrates by Sol-Gel dip drive technique. The films have been prepared at pH = 9 and the prepared films are annealed at three distinct temperatures (350 degrees C, 450 degrees C, and 550 degrees C) for one hour. The prepared films are characterized by XRD, EDAX, SEM and UV-Vis Spectrophotometer. The structural studies carried out reveals that the pristine films are amorphous in nature. The annealed films have been observed to be nanocrystalline in nature and the crystallinity has been observed to improve on annealing. The transmittance and absorbance spectra have shown that the films are transparent and band gap of the films are of the order of 3.26 eV.

引用

页码：516 / 520

页数：5

共 13 条

[1] Effect of crystallization on humidity sensing properties of sol-gel derived nanocrystalline TiO2 thin films [J].

Biju, Kuyyadi P. ;

Jain, Mahaveer K. .

THIN SOLID FILMS, 2008, 516 (08) :2175-2180

[2] Thermal optical properties of TiO2 films [J].

Gülsen, G ;

Inci, MN .

OPTICAL MATERIALS, 2002, 18 (04) :373-381

[3] Plasma-CVD-coated glass beads as photocatalyst for water decontamination [J].

Karches, M ;

Morstein, M ;

von Rohr, P ;

Pozzo, RL ;

Giombi, JL ;

Baltanás, MA .

CATALYSIS TODAY, 2002, 72 (3-4) :267-279

[4] Removal of paraquat dissolved in a photoreactor with TiO2 immobilized on the glass-tubes of UV lamps [J].

Lee, JC ;

Kim, MS ;

Kim, BW .

WATER RESEARCH, 2002, 36 (07) :1776-1782

[5]

Legrand C., 1996, J SOLID STATE CHEM, V122, P309

[6] Blue light emitting nanosized TiO2 colloids [J].

Liu, YJ ;

Claus, RO .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (22) :5273-5274

[7] Nanocrystalline TiO2/ZnO thin films:: Fabrication and application to dye-sensitized solar cells [J].

Mane, RS ;

Lee, WJ ;

Pathan, HM ;

Han, SH .

JOURNAL OF PHYSICAL CHEMISTRY B, 2005, 109 (51) :24254-24259

[8] SOL-GEL PROCESSED TIO2-BASED THIN-FILMS AS INNOVATIVE HUMIDITY SENSORS [J].

MONTESPERELLI, G ;

PUMO, A ;

TRAVERSA, E ;

GUSMANO, G ;

BEARZOTTI, A ;

MONTENERO, A ;

GNAPPI, G .

SENSORS AND ACTUATORS B-CHEMICAL, 1995, 25 (1-3) :705-709

[9] The influence of deposition parameters on the structure and properties of magnetron-sputtered titania coatings [J].

Onifade, AA ;

Kelly, PJ .

THIN SOLID FILMS, 2006, 494 (1-2) :8-12

[10] A LOW-COST, HIGH-EFFICIENCY SOLAR-CELL BASED ON DYE-SENSITIZED COLLOIDAL TIO2 FILMS [J].

OREGAN, B ;

GRATZEL, M .

NATURE, 1991, 353 (6346) :737-740

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