Computer Simulation of Edge Effects in a Small-Area Mesa N-P Junction Diode

被引:0
作者
Appel, Jesse [1 ]
Sopori, Bhushan [1 ]
Ravindra, N. M. [2 ]
机构
[1] Natl Renewable Energy Lab, Golden, CO 80401 USA
[2] New Jersey Inst Technol, Newark, NJ 07102 USA
来源
PHOTOVOLTAIC MATERIALS AND MANUFACTURING ISSUES | 2009年 / 1123卷
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中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The influence of edges on the performance of small-area solar cells is determined using a modified commercial, finite-element software package. The n(+)/p mesa device is modeled as having a sub-oxide layer on the edges, which acquires positive charges that result in development of an electric field within the device. Our computer Simulations include generation/recombination at the diode edges as well as the influence of light on the recombination characteristics of the edges. We present a description of our model, dark and illuminated characteristics of devices with various surface charge concentrations, and the dynamics of carrier generation/recombination. The influence of edge geometry on diode performance is determined.
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页码:125 / +
页数:2
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