3-D modeling of luminescent coupling effects in multijunction concentrator solar cells

In this work, we demonstrate an improved 3-D distributed circuit model to analyze the luminescent coupling effects in multijunction concentrator solar cells. We implemented the 3-D distributed circuit model and compared the simulation results with experimental data measured on GaAs/GaInNAsSb solar c...

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Bibliographic Details
Main Authors: Jia Jieyang, Suarez Ferran, Bilir Taner, Sabnis Vijit, Harris, James
Format: Conference Proceeding
Language:English
Subjects:
Computer simulation
Concentrators
Coupling
Current voltage characteristics
Modelling
Photovoltaic cells
Simulation
Solar cells
Three dimensional models
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Summary:In this work, we demonstrate an improved 3-D distributed circuit model to analyze the luminescent coupling effects in multijunction concentrator solar cells. We implemented the 3-D distributed circuit model and compared the simulation results with experimental data measured on GaAs/GaInNAsSb solar cells. The results from simulations implementing this 3-D model match well with the experimental data under different illumination conditions. In addition, with the 3-D model simulation results we visualized the space-variant luminescent coupling current under different spectral profiles. We demonstrate the effects of luminescent coupling on I-V characteristics and current density distributions in the cells. Our 3-D model will enable more precise modeling and more detailed performance analysis of concentrator solar cells.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4897016