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The effect of aging on the performance of open-air spin coated ZnO-CuO bulk heterojunction thin film solar cells

A. KUDDUS1,2,* , J. HOSSAIN3, A. B. M. ISMAIL3,*

Affiliation

  1. Solar Energy Laboratory, Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi 6205,Bangladesh
  2. Graduate School of Science and Engineering, Saitama University,Saitama 338-8570, Japan
  3. SolarEnergy Laboratory, Department of Electrical and Electronic Engineering, University of Rajshahi, Rajshahi 6205,Bangladesh

Abstract

The effect of aging on the photovoltaic characteristics of homely fabricated ZnO-CuO based bulk heterojunction solar cells (BHJSCs) including optical, electrical, chemical,and surface morphological properties of the spin-coated ZnO-CuO bulk thin films has been investigatedin this article. The experimental results of open-air spin-coated bulk films on glass substrate reveal that the surface roughness, percentage of oxide composition,and electrical resistivity including the optical absorption isincreased with aging. Alsp, the photovoltaic parameters of FTO/ZnO-CuO/Al BHJSCs have been decreased while the open-circuit voltage are increased noticeably with aging. These results indicate that the aging of bulk ZnO-CuO thin films has unavoidable consequences on the performance of ZnO-CuO-based BHJSCs..

Keywords

ZnO-CuO bulk heterojunction, Spin-coating, Thin films, Photovoltaic, Aging.

Submitted at: April 2, 2020
Accepted at: June 11, 2021

Citation

A. KUDDUS, J. HOSSAIN, A. B. M. ISMAIL, The effect of aging on the performance of open-air spin coated ZnO-CuO bulk heterojunction thin film solar cells, Journal of Optoelectronics and Advanced Materials Vol. 23, Iss. 5-6, pp. 237-244 (2021)