Efficiency enhancement of crystalline silicon solar cell by the deposition of undoped ZnO thin film

Ghaida S  Muhammed

doi:10.17485/ijst/2011/v4i6.3

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Efficiency enhancement of crystalline silicon solar cell by the deposition of undoped ZnO thin film

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2011/v4i6.3

Year: 2011, Volume: 4, Issue: 6, Pages: 677-680

Original Article

Efficiency enhancement of crystalline silicon solar cell by the deposition of undoped ZnO thin film

Ghaida S. Muhammed^*

Department of Physics, Collage of Science, University of Baghdad, Iraq
[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

ZnO thin film was prepared by spray pyrolysis decomposition of zinc acetate onto a glass substrate. The deposited film was characterized by high resolution XRD, AFM, and PL spectroscopic techniques to reveal its structural, morphological and optical properties. The ZnO/Si solar cell has been realized by depositing the ZnO on Si solar cell by spray pyrolysis technique. ZnO is created with submicron thickness (0.8µm) to provide an efficient anti-reflective layer and to get the advantage of potential band gap tuning, via light trapping. The best out put parameters obtained for solar cell; open circuit voltage V_oc, short circuit current I_sc; fill factor FF, and efficiency E_ff% were calculated in this work.
Keywords: ZnO thin film, optical properties, spray pyrolysis, solar cell