Study on weak-light photovoltaic characteristics of solar cell with a microgroove lens array on glass substrate

被引：24

作者：

Li, Ping ^{[1
]}

Xie, Jin ^{[1
]}

Cheng, Jian ^{[1
]}

Jiang, Yu Ning ^{[1
]}

机构：

[1] S China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 07期

基金：

中国国家自然科学基金;

关键词：

V-TIP; PERFORMANCE; EFFICIENCY; GRATINGS; WHEEL;

D O I：

10.1364/OE.23.00A192

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Microgroove lens with 500-800 mu m in depth is proposed on the glass substrate of thin-film solar cell. The objective is to improve photovoltaic characteristics under weak-light illumination. First, the micro-optical characteristics were theoretically studied in connection with micro-lens structure; then a diamond micro-grinding was employed to fabricate microgroove lens; finally, indoor conversion efficiency and outdoor electrical generation were measured. It is shown that the 800-mu m-depth microgroove lens is able to absorb and scatter the inclined light to solar cell for improving weak-light conversion efficiency. It enhances the electricity generation by 118% and 185% in cloudy and overcast days, respectively. (C) 2015 Optical Society of America

引用

页码：A192 / A203

页数：12

共 24 条

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