Photocurrent Collection Mechanism and Role of Carrier Distribution in p-i-n Quantum Well Solar Cells

被引：0
|
作者：
Toprasertpong, Kasidit [1 ]
Inoue, Tomoyuki [1 ]
Delamarre, Amaury [1 ,2 ]
Watanabe, Kentaroh [2 ]
Sugiyama, Masakazu [1 ,2 ]
Nakano, Yoshiaki [1 ,2 ]
机构：
[1] Univ Tokyo, Sch Engn, Bunkyo Ku, Tokyo 1130032, Japan
[2] Univ Tokyo, NextPV LIA CNRS RCAST, Meguro Ku, Tokyo 1538904, Japan
来源：
2016 IEEE 43RD PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2016年
基金：
日本学术振兴会;
关键词：
carrier distribution; charge carrier collection; majority carriers; quantum well solar cells; recombination; time-of-flight; EFFICIENCY;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
We investigate the role of carrier distribution inside the i-region in the photocurrent collection mechanism of p-i-n quantum well solar cells. The device simulation indicates that the increment of Shockley-Read-Hall recombination after illumination strongly depends on the type of photocarriers and i-region majority carriers. As a result, a solar cell with n-type background doping results in efficient collection of photogenerated electrons from quantum wells even at low field, and this has been confirmed with the results of time-of-flight measurement. Based on this finding, we demonstrate a model for estimating carrier collection efficiency which includes the effect of carrier distribution.
引用
收藏
页码：163 / 168
页数：6
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