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Investigations on the structural, morphological, optical and electrical properties of undoped and nanosized Zn-doped CdS thin films prepared by a simplified spray technique

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Materials Science-Poland

Abstract

CdS and Zn-doped CdS (CdS:Zn) thin films have been deposited on glass substrates by spray pyrolysis technique using a perfume atomizer. The influence of Zn incorporation on the structural, morphological, optical and electrical properties of the films has been studied. All the films exhibit hexagonal phase with (0 0 2) as preferential orientation. A shift of the (0 0 2) diffraction peak towards higher diffraction angle is observed with increased Zn doping. The optical studies confirmed that the transparency increases as Zn doping level increases and the film coated with 2 at.% Zn doping has the maximum transmittance of about 90 %. The sheet resistance (R sh ) decreases as the Zn-doping level increases and a minimum value of 1.113 × 103 Ω/sq is obtained for the film coated with 8 at.% Zn dopant. The CdS film coated with 8 at.% Zn dopant has the best structural, morphological and electrical properties.

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Authors and Affiliations

  1. PG and Research Department of Physics, AVVM Sri Pushpam College, Poondi, 613 503, Tamilnadu, India

    M. Anbarasi, V. S. Nagarethinam & A. R. Balu

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  1. M. Anbarasi
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  2. V. S. Nagarethinam
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  3. A. R. Balu
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Correspondence to A. R. Balu.

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Anbarasi, M., Nagarethinam, V.S. & Balu, A.R. Investigations on the structural, morphological, optical and electrical properties of undoped and nanosized Zn-doped CdS thin films prepared by a simplified spray technique. Mater Sci-Pol 32, 652–660 (2014). https://doi.org/10.2478/s13536-014-0244-7

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  • DOI: https://doi.org/10.2478/s13536-014-0244-7

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