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Electrical conduction properties of ZnPc/TiO2 thin films

Senthilarasu, S.; Sathyamoorthy, R.; Lalitha, S.; Subbarayan, A.


R. Sathyamoorthy

S. Lalitha

A. Subbarayan


In this paper we have reported the electrical properties of Al/ZnPc–TiO2/Al thin film device. The composite layers were prepared by the vacuum evaporation of ZnPc and sol–gel-coated TiO2. The current–voltage characteristics are found to be Ohmic and non-Ohmic at low field and high field, respectively. The charge transport conduction appears to be Poole-Frankel type of conduction. The total number of interface states, which is responsible for the dispersion of capacitance, is found to be increasing with increase in bias voltage.

Journal Article Type Article
Online Publication Date May 17, 2005
Publication Date Apr 14, 2006
Deposit Date Mar 13, 2023
Print ISSN 0927-0248
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 90
Issue 6
Pages 783-797
Keywords Organic–inorganic composite, Zinc phthalocyanine, Vacuum deposition, Titanium dioxide, Sol–gel, Thin film