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학술지 Analytic Treatment of the Distributed Resistance of the Window Layer in Solar Cells with Parallel Grids
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저자
이규석
발행일
201303
출처
Progress in Photovoltaics : Research and Applications, v.21 no.2, pp.195-201
ISSN
1062-7995
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/pip.1177
협약과제
10MB4200, 반응성 스퍼터링을 이용한 CIGS 초박막 고효율 태양전지 기술 개발, 김제하
초록
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.
키워드
current-voltage curve, distributed resistance, solar cell, transparent conducting oxide
KSP 제안 키워드
Active Layer, Average current, Current density-voltage, Laplace equation, Layer interface, Series expansion, Solar Cells, Transparent conducting oxide(TCO), analytic solution, current-voltage characteristics, current-voltage curve