NDLI: Analysis of Cd1−xZnxS window effect on CdTe solar cells

Content Provider	IEEE Xplore Digital Library
Author	Belghachi, A. Limam, N.
Copyright Year	2013
Description	Author affiliation: Phys. Dept., Univ. of Bechar, Béchar, Algeria (Belghachi, A.; Limam, N.)
Abstract	In conventional Cadmium telluride (CdTe) solar cells cadmium sulfide (CdS) layer is used as emitter window, the choice proved to be appropriate because of its large energy band gap 2.42 eV and its lattice parameter fits well with CdTe. The inconvenience of this window is its important absorption coefficient in the bleu region. To surmount this problem one of the suggested solutions is to use a much wider energy band gap window layer with suitable parameters onto the CdS layer, or replace the CdS layer with a suitable window. In the present work we investigate the effect of $Cd_{1-x}Zn_{x}S$ ternary compound window on the top of the p-CdTe cell. The calculations and the analysis are carried out using SCAPS 1D numerical simulator. In this study we deal with two configurations the first structure comprises a double window $(Cd_{1-x}Zn_{x}S$ /CdS) and the second incorporates a simple $(Cd_{1-x}Zn_{x}S)$ window. When x is reduced from 0.08 to 0.05 in the second structure, the energy conversion efficiency increases from 17.11 to 21.15 %. While the best obtained energy conversion efficiency of the first structure is about 16.04 % only.
Sponsorship	IEEE Morocco Sect.
Starting Page	5
Ending Page	9
File Size	1276321
Page Count	5
File Format	PDF
ISBN	9781467363730
e-ISBN	9781467363747
DOI	10.1109/IRSEC.2013.6529654
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-07
Publisher Place	Morocco
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic systems Window Solar cells Photonic band gap CdS Photovoltaic cells Cd1−xZnxS Efficiency Doping Materials CdTe Zinc
Content Type	Text
Resource Type	Article

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