Electrical Properties of Nano-TiO₂ Thin Film Using Spin Coating Method

Ayodele Abeeb Daniyan, Lasisi Ejibunu Umoru, Adeniyi Yisau Fasasi, Joseph Olatunde Borode, Kunle Michael Oluwasegun, Samuel Oloruntoba Olugbenga Olusunle

Centre for Energy and Research Development, Obafemi Awolowo University, Ile-Ife, Nigeria.
Department of Materials Science and Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria.
Department of Mechanical and Manufacturing Engineering, University of Manitoba, Winnipeg, Canada.
Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Nigeria.
Engineering Materials Development Institute, Akure, Nigeria.

DOI: 10.4236/jmmce.2014.21003                

Abstract

This work investigated the electrical properties of TiO₂ thin film on empty glass and ITO glass by spin coating method. Highly transparent titanium oxide thin films were prepared on empty glass and Indium Tin Oxide (ITO) from a titanium (III) chloride precursor. The sheet resistance of the film prepared from both the synthesised and the commercially available TiO2 was measured by the Keithley four-point probe tester (KFPPT). A comparable sheet resistance of 10.69E + 00 Ω/sq was obtained on the ITO. The electrical conductivity of the TiO₂ film on ITO glass substrate was found to be very high (3.46E + 05 Ω^-1?cm^-1) and comparable to that of the bare ITO glass.

Keywords

Titanium Oxide; ITO; Spin Coating; KFPPT; Sheet Resistance and Conductivity

Conflicts of Interest

The authors declare no conflicts of interest.

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