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Recovery in the electrical parameters of the aging silicon solar cells by annealing

D. M. TOBNAGHI1,* , R. MADATOV2

Affiliation

  1. Department of Electrical Engineering, Parsabad Moghan Branch, Islamic Azad University, Parsabad Moghan, Iran
  2. Institute of Radiation Problems, Azerbaijan National Academy of Science, Baku, Azerbaijan

Abstract

In this paper, to simulate and accelerate the effects of aging, solar cells were exposed to the different doses of co60 gamma radiation. The current–voltage (I–V) characteristics of mono-crystalline solar cells under AM1.5 illumination condition were studied before and after the gamma irradiation. Experimental results showed that the solar cell parameters such as open circuit voltage (Voc), short circuit current (Isc) and efficiency (η) decrease with the increase of the gamma radiation doses. The effect of subsequent thermal annealing on solar cells degraded by gamma irradiation is investigated. A significant improvement in the electric parameters of by low doses gamma irradiated silicon solar cells is observed after the thermal annealing..

Keywords

Aging, Annealing, Gamma radiation, Current–voltage characteristics, Efficiency, Solar cells.

Submitted at: Jan. 9, 2014
Accepted at: May 15, 2014

Citation

D. M. TOBNAGHI, R. MADATOV, Recovery in the electrical parameters of the aging silicon solar cells by annealing, Journal of Optoelectronics and Advanced Materials Vol. 16, Iss. 5-6, pp. 764-768 (2014)