Effect of Temperature on the AlGaAs/GaAs Tandem Solar Cell for Concentrator Photovoltaic Performances

Authors Hemmani Abderrahmane, B. Dennai , H. Khachab , A. Helmaoui

Laboratory of Semiconductor Devices Physics, Matter sciences Department, Faculty of Exact Sciences, TAHRI Mohammed University of Béchar, P.O. Box 417, Bechar, Algeria

Е-mail hemani1973@yahoo.fr, deennai_benmoussa@yahoo.com
Issue Volume 8, Year 2016, Number 1
Dates Received 27 November 2015; revised manuscript received 05 March 2016; published online 15 March 2016
Citation Hemmani Abderrahmane, B. Dennai, H. Khachab, A. Helmaoui, J. Nano- Electron. Phys. 8 No 1, 01015 (2016)
DOI 10.21272/jnep.8(1).01015
PACS Number(s) 88.40.jm
Keywords Tandem solar cell, Concentrator, Temperature (46) , AlGaAs/GaAs, Performances (2) .
Annotation Multijunction solar cells for concentrator photovoltaic (CPV) systems have attracted increasing attention in recent years for their very high conversion efficiencies. But there is a problem in this type of solar cells (CPV) is to increase the temperature if it has been augmenting the concentration ratio. In this paper, we studied the effect of the concentration photovoltaic in a high-efficiency double-junction devices solar cell on temperature solar cell and its impact on the photocurrent, the efficiency and open circuit voltage. In this study, the top cell is made of AlGaAs (1.73 eV) while the bottom cell is made of GaAs (1.42 eV) between them a tunnel junction.

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