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Journal Article Analytic Treatment of the Distributed Resistance of the Window Layer in Solar Cells with Parallel Grids
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Authors
Kyu-Seok Lee
Issue Date
2013-03
Citation
Progress in Photovoltaics : Research and Applications, v.21, no.2, pp.195-201
ISSN
1062-7995
Publisher
John Wiley & Sons
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1002/pip.1177
Abstract
A formalism is presented to understand the effect of distributed resistance of the window layer on the current-voltage characteristics of solar cells with parallel grids. Along the window/active-layer interface, the current density and the electric potential are calculated iteratively from the current density-voltage relation and the Laplace equation, respectively. The former property is approximated in a series expansion of sinusoidal functions, which leads to an analytic solution to the electric potential in the window layer. The total current and the average current density are derived in analytic forms. A few calculated results are presented to show the influence of the distributed resistance of the window layer on the device performance. Copyright © 2011 John Wiley & Sons, Ltd. This paper presents a formalism to understand the effect of distributed resistance of the window layer on the current-voltage characteristics of solar cells with parallel grids. Along the window/active-layer interface, the current density and the electric potential are calculated iteratively from the current density-voltage relation and the Laplace equation, respectively. The former property is approximated in a series expansion of sinusoidal functions, which leads to an analytic solution to the electric potential in the window layer. Copyright © 2011 John Wiley & Sons, Ltd.
KSP Keywords
Active Layer, Average current, Current density-voltage, Electric potential, Laplace equation, Layer interface, Series expansion, Solar Cells, analytic solution, current-voltage characteristics, device performance