Si Thin Film Solar Cell with Asymmetric P-N Junction

被引：0
|
作者：
Ko, Myung-Dong [1 ]
Baek, Chang-Ki [2 ]
Rim, Taiuk [1 ]
Park, Sooyoung [2 ]
Jeong, Yoon-Ha [1 ,2 ,3 ]
机构：
[1] POSTECH, Dept Elect Engn, Pohang 790784, South Korea
[2] POSTECH, Dept Creat IT Excellence Engn, Pohang 790784, South Korea
[3] POSTECH, Div IT Convergence Engn, Pohang 790784, South Korea
来源：
2012 38TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) | 2012年
关键词：
photovoltaic devices; silicon nanowire; radial p-n junction; asymmetric solar cell; sentaurus device simulator; SILICON NANOWIRE; OPTICAL-ABSORPTION; ARRAYS;
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 propose an asymmetric structure using simulation to improve the electrical characteristics of the solar cell. This structure is designed by shrinking the bottom core diameter in radial structure. It causes the total reflection of the incident light in the outer wall and the light concentration in the bottom core. Consequently, an asymmetric solar cell (ASC) shows the increase in current density and cell efficiency (CE), which is 10% higher than those of a symmetric solar cell (SSC). By increasing doping concentration of the shell and applying light trapping techniques i.e. anti-reflective coating and back-surface-field, the ASC showed high CE compared with the SSC. This novel structure offers an opportunity for effectively improving the CE.
引用
收藏
页码：1212 / 1216
页数：5
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