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2006
Journal Article
Titel
Simulating single-junction GaAs solar cells including photon recycling
Abstract
To improve and accelerate further developments of III-V solar cells an accurate and reliable modelling is necessary. In this work we present a comprehensive two-dimensional numerical model of single junction GaAs solar cells. Using this numerical model we achieved good correlation between measurements and simulations of single junction GaAs solar cells with different internal structures. We introduced the concept of optical coupling matrix in the numerical model to account for photon recycling effects. In addition, it is shown that thermionic currents have to be considered at the III-V hetero-interfaces. With this numerical model a powerful and flexible tool for solar cell simulation of III-V compound semiconductor materials is now available.
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