TITLE

Optimization of multi quantum well solar cell

AUTHOR(S)
PRAZMOWSKA, JOANNA; KORBUTOWICZ, RYSZARD
PUB. DATE
September 2005
SOURCE
Optica Applicata;2005, Vol. 35 Issue 3, p619
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Quantum well solar cell with GaAs wells and AlxGa1-xAs barriers was optimized. Particular emphasis was placed on enhancing the efficiency. Open-circuit voltage, short-circuit current density, fill factor have been also optimized. Many simulations of various structures were carried out. The conversion efficiency exceeding 27% was obtained. The algorithm of structures optimization that gives comprehensive information about solar cells parameters in a short time was shown. Spectral characteristics, efficiency of energy conversion as a function of light concentration, temperature and the geometrical and materials parameters of the solar cells structures were determined. These results are compared with nearly identical p-i-n solar cells: i) the first with i-region made from undoped GaAs (well material) and ii) the second with i-region from Al0.1Ga0.9As (barrier material).
ACCESSION #
20846092

 

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