Three-Dimensional Cu(InGa)Se Photovoltaic Cells Simulations: Optimization for Limited-Range Wavelength Applications

One of the main challenges in Cu(InGa)Se 2 (CIGS) solar cells modeling is due to the complex microcrystalline structure of the absorber layer. A CdS/CIGS solar cell that is modeled as an array of columnar parallel microcells, representing the polycrystalline nature of the absorber layer, is reported...

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Bibliographic Details
Published inIEEE journal of photovoltaics Vol. 3; no. 3; pp. 1106 - 1112
Main Authors Maragliano, C., Colace, L., Chiesa, M., Rampino, S., Stefancich, M.
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.07.2013
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Concentration
Grain boundaries
heterojunctions
Performance evaluation
Photonic band gap
photovoltaic (PV) cells
Photovoltaic cells
Photovoltaic systems
simulation
Solid modeling
thin-film devices
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Summary:One of the main challenges in Cu(InGa)Se 2 (CIGS) solar cells modeling is due to the complex microcrystalline structure of the absorber layer. A CdS/CIGS solar cell that is modeled as an array of columnar parallel microcells, representing the polycrystalline nature of the absorber layer, is reported. The electrical and optical parameters have been extracted from measurements on CIGS layers that are deposited by pulsed electron deposition. The model is validated with experimental data and used to optimize the geometrical and electrical properties of a low bandgap Cu(InGa)Se 2 solar cell, which could be employed under high-intensity monochromatic radiation or with a spectral splitting concentrator system.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2013.2258191