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http://dx.doi.org/10.5757/JKVS.2012.21.1.55

Conversion Efficiency Enhancement of a-Si:H Thin-Film Solar Cell Using Periodic Patterned Substrate  

Son, C.H. (Department of Electro Physics, Kwangwoon University)
Kim, K.M. (Thin Film Solar Cell Team, Jusung Engineering Co., Ltd.)
Kim, J.H. (Thin Film Solar Cell Team, Jusung Engineering Co., Ltd.)
Hong, J. (Thin Film Solar Cell Team, Jusung Engineering Co., Ltd.)
Kwon, G.C. (Department of Electro Physics, Kwangwoon University)
Publication Information
Journal of the Korean Vacuum Society / v.21, no.1, 2012 , pp. 55-61 More about this Journal
Abstract
We fabricated a-Si:H thin-film solar cell using the two-dimensional (2D) periodic patterned glass substrate. The use of a 3D periodic texture rather than a randomly texture at surface of TCO can result in higher short circuit current densities ($J_{sc}$). In order to analyze the optical effect of patterning glasses, ray-tracing simulations were performed. Also, p-i-n cells were deposited on patterned glasses as substrate by PECVD. UV-Vis spectroscopy, light I-V measurement were carried out for the optoelectronic characterization. The anti-reflective and light-trapping performance of patterning glass substrate was investigated by a comparison of experimental results with numerical simulations.
Keywords
Textured substrate; Light trapping; Optical simulation; a-Si:H solar cell; Patterned glass; Optical enhancement;
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