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

• Autorzy: Anbarasi, M. , Nagarethinam, V. S. , Balu, A. R.
• Języki publikacji: EN

Abstrakty

EN

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 (Rsh) 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.

Słowa kluczowe

EN

X-ray diffraction; crystal structure; preferential orientation; thin films; optical properties; electrical studies

• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 4
• Strony: 652--660
• Opis fizyczny: Bibliogr. 33 poz., rys., tab.

Twórcy

autor

Anbarasi, M.

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

autor

Nagarethinam, V. S.

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

autor

Balu, A. R.

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

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Identyfikatory

DOI

10.2478/s13536-014-0244-7