Demonstration of enhanced absorption in thin film Si solar cells with periodic microhemisphere hole arrays

被引：4

作者：

Huang, Kun ^{[1
]}

Wang, Qingkang ^{[1
]}

Yan, Xingmao ^{[1
]}

Hu, Kexiang ^{[1
]}

Yu, Mengyao ^{[1
]}

Shen, Xiangqian ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Res Inst Micro Nano Sci & Technol, Minist Educ,Natl Key Lab Micro Nano Fabricat Tech, Key Lab Thin Film & Microfabricat Technol, Shanghai 200240, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 315卷

关键词：

Microfabrication; Light trapping; Thin film Si solar cells; UV LITHOGRAPHY;

D O I：

10.1016/j.optcom.2013.10.014

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper reports a study about how to enhance the performance of thin film Si solar cells. Periodic microhemisphere hole (PMHH) arrays with a period of 10 mu m and a depth of similar to 4 mu m were made on the glass wafers. We found that the PMHH arrays can trap light via testing the transmittance of glass with PMHH arrays. Comparing with the original cell, the thin film Si solar cell covered by this kind of PMHH arrays glass is different from the following two perspectives: the short-circuit current (J(sc)) increased by 7.5% and the conversion efficiency (Eff) enhanced by 5.2%. The design based on light trapping scheme on the external of cell is feasible and worth promoting. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：79 / 82

页数：4

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