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Optoelectric properties of amorphous Tert-Butyl substituted Zinc Naphthalocyanine thin films

I. DHANYA1,* , C. S. MENON1

Affiliation

  1. School of Pure and Applied Physics, Mahatma Gandhi University, Priyadarshini Hills, Kottayam, Kerala, 686 560, India

Abstract

Structural analysis, Electrical conductivity and optical properties of thermally evaporated air annealed Zinc Tetra Tert-Butyl 2, 3 Naphthalocyanine (ZnTTBNc) thin films are reported in this paper. As deposited ZNTTBNc thinfilms are noncrystalline in nature while crystallinity increases with annealing temperature. Thermal activation energy and optical band gap energy at different transition levels are determined from the respective Arrhenius plots and optical absorption spectra. A deep red absorption band is present in these films and a blue shift of 60 nm is observed in the Q bands due to post deposition heat treatment.

Keywords

Zinc naphthalocyanine, Thin films, semiconductor.

Citation

I. DHANYA, C. S. MENON, Optoelectric properties of amorphous Tert-Butyl substituted Zinc Naphthalocyanine thin films, Optoelectronics and Advanced Materials - Rapid Communications, 4, 12, December 2010, pp.2085-2087 (2010).

Submitted at: Nov. 3, 2010

Accepted at: Nov. 29, 2010