A Simple and Low Cost Approach for Texturing on CZ-Silicon Solar Cell

Xian Fang Gou; Xu Dong Li; Ying Xu; Shuang Song; Yin Fang Cui; Hong Yan Fan

doi:10.4028/www.scientific.net/MSF.650.168

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HomeMaterials Science ForumMaterials Science Forum Vol. 650A Simple and Low Cost Approach for Texturing on...

A Simple and Low Cost Approach for Texturing on CZ-Silicon Solar Cell

Abstract:

Silicon solar cell surface texture was effective to reduce reflectance and improve light collection. Alkaline etchants was a conventional process in monocrystalline silicon texturing.However, isopropyl alcohol(IPA) as buffer solution was expensive and high consumption, which increased the cost of solar cell. In the paper, It has been found that a cheaper surfactant as buffer solution decrease silicon surface interfacial force and increase etchant infiltrating of silicon wafer, so a large number of very small and uniform texture appeared on the silicon surface. pyramids size of about 3µm formed after etching of 15min. A new process to reduce the production cost and form the high quality pyramids texturization has been developed by this investigation.

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Periodical:

Materials Science Forum (Volume 650)

Pages:

168-171

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.650.168

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Online since:

May 2010

Authors:

Xian Fang Gou, Xu Dong Li, Ying Xu, Shuang Song, Yin Fang Cui, Hong Yan Fan

Keywords:

Alkaline Etchant, Silicon, Solar Cell, Texture

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References

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