Fabrication of highly transparent self-cleaning protection films for photovoltaic systems

被引：38

作者：

Lee, Seong-Hwan ^{[1
]}

Han, Kang-Soo ^{[1
]}

Shin, Ju-Hyeon ^{[1
]}

Hwang, Seon-Yong ^{[1
]}

Lee, Heon ^{[1
]}

机构：

[1] Korea Univ, Dept Mat Sci & Engn, Seoul 136713, South Korea

来源：

PROGRESS IN PHOTOVOLTAICS | 2013年 / 21卷 / 05期

关键词：

solar cell; anti-reflection; nano-pattern; UV nanoimprint; hot-embossing; moth-eye pattern; superhydrophobicity; external quantum efficiency; SOLAR-CELLS; ANTIREFLECTION; PERFORMANCE; SURFACES; EXPOSURE; GLASS;

D O I：

10.1002/pip.2203

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：

A moth-eye anti-reflective structure was fabricated by hot-embossing and UV nanoimprint lithography on a solar cell protective film to suppress the reflection of incident light. Moreover, a superhydrophobic surface was developed by reducing the surface energy by forming a hydrophobic self-assembled monolayer coating on an anti-reflective structured resin surface. Therefore, the transmittance of incident light was increased by the anti-reflective structure. As a result, the solar cell efficiency was enhanced and the total accumulated electrical energy generated by a solar cell with a nano-patterned polymeric film was increased. The efficiency of each solar cell was evaluated by an analysis of its I-V characteristics using a solar simulator, and the external quantum efficiency according to the wavelength of incident light was analyzed by using an incident photon-to-current conversion efficiency system. Finally, the enhancement of the generated power was confirmed by a field test and a power charging experiment. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：1056 / 1062

页数：7

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