Development of high efficiency pin amorphous silicon solar cells with the p-μc-Si:H/p-a-SiC:H double window layer

Ping Kuan Chang; Po Tsung Hsieh; Chun Hsiung Lu; Chih Hung Yeh; Mau Phon Houng

doi:10.1016/j.solmat.2011.05.036

Development of high efficiency pin amorphous silicon solar cells with the p-μc-Si:H/p-a-SiC:H double window layer

Ping Kuan Chang, Po Tsung Hsieh, Chun Hsiung Lu, Chih Hung Yeh, Mau Phon Houng

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Abstract

A structure is developed to help improve the TCO/p contact and efficiency of the solar cell. A pin amorphous silicon (a-Si:H) solar cell with high-conversion efficiency is presented via use of a double p-type window layer composed of microcrystalline silicon and amorphous silicon carbide. The best efficiency is obtained for a glass/textured TCO/p-μc-Si:H/p-a-SiC:H/buffer/i- a-Si:H/n-μc-Si:H/GZO/Ag structure. Using a SnO₂/GZO bi-layer and a p-type hydrogenated microcrystalline silicon (p-μc-Si:H) layer between the TCO/p-a-SiC:H interface improves the photovoltaic performance due to reduction of the surface potential barrier. Layer thickness, B₂H ₆/SiH₄ ratio and hydrogen dilution ratio of the p-μc-Si:H layer are studied experimentally. It is clearly shown that the double window layer can improve solar cell efficiency. An initial conversion efficiency of 10.63% is achieved for the a-Si:H solar cell.

Original language	English
Pages (from-to)	2659-2663
Number of pages	5
Journal	Solar Energy Materials and Solar Cells
Volume	95
Issue number	9
DOIs	https://doi.org/10.1016/j.solmat.2011.05.036
Publication status	Published - 2011 Sept

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Surfaces, Coatings and Films

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10.1016/j.solmat.2011.05.036

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title = "Development of high efficiency pin amorphous silicon solar cells with the p-μc-Si:H/p-a-SiC:H double window layer",

abstract = "A structure is developed to help improve the TCO/p contact and efficiency of the solar cell. A pin amorphous silicon (a-Si:H) solar cell with high-conversion efficiency is presented via use of a double p-type window layer composed of microcrystalline silicon and amorphous silicon carbide. The best efficiency is obtained for a glass/textured TCO/p-μc-Si:H/p-a-SiC:H/buffer/i- a-Si:H/n-μc-Si:H/GZO/Ag structure. Using a SnO2/GZO bi-layer and a p-type hydrogenated microcrystalline silicon (p-μc-Si:H) layer between the TCO/p-a-SiC:H interface improves the photovoltaic performance due to reduction of the surface potential barrier. Layer thickness, B2H 6/SiH4 ratio and hydrogen dilution ratio of the p-μc-Si:H layer are studied experimentally. It is clearly shown that the double window layer can improve solar cell efficiency. An initial conversion efficiency of 10.63% is achieved for the a-Si:H solar cell.",

author = "Chang, {Ping Kuan} and Hsieh, {Po Tsung} and Lu, {Chun Hsiung} and Yeh, {Chih Hung} and Houng, {Mau Phon}",

note = "Funding Information: This work was supported by the National Science Council of Taiwan under Contract number NSC-99-2221-E-006-212 . ",

year = "2011",

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AU - Chang, Ping Kuan

AU - Hsieh, Po Tsung

AU - Lu, Chun Hsiung

AU - Yeh, Chih Hung

AU - Houng, Mau Phon

N1 - Funding Information: This work was supported by the National Science Council of Taiwan under Contract number NSC-99-2221-E-006-212 .

PY - 2011/9

Y1 - 2011/9

N2 - A structure is developed to help improve the TCO/p contact and efficiency of the solar cell. A pin amorphous silicon (a-Si:H) solar cell with high-conversion efficiency is presented via use of a double p-type window layer composed of microcrystalline silicon and amorphous silicon carbide. The best efficiency is obtained for a glass/textured TCO/p-μc-Si:H/p-a-SiC:H/buffer/i- a-Si:H/n-μc-Si:H/GZO/Ag structure. Using a SnO2/GZO bi-layer and a p-type hydrogenated microcrystalline silicon (p-μc-Si:H) layer between the TCO/p-a-SiC:H interface improves the photovoltaic performance due to reduction of the surface potential barrier. Layer thickness, B2H 6/SiH4 ratio and hydrogen dilution ratio of the p-μc-Si:H layer are studied experimentally. It is clearly shown that the double window layer can improve solar cell efficiency. An initial conversion efficiency of 10.63% is achieved for the a-Si:H solar cell.

AB - A structure is developed to help improve the TCO/p contact and efficiency of the solar cell. A pin amorphous silicon (a-Si:H) solar cell with high-conversion efficiency is presented via use of a double p-type window layer composed of microcrystalline silicon and amorphous silicon carbide. The best efficiency is obtained for a glass/textured TCO/p-μc-Si:H/p-a-SiC:H/buffer/i- a-Si:H/n-μc-Si:H/GZO/Ag structure. Using a SnO2/GZO bi-layer and a p-type hydrogenated microcrystalline silicon (p-μc-Si:H) layer between the TCO/p-a-SiC:H interface improves the photovoltaic performance due to reduction of the surface potential barrier. Layer thickness, B2H 6/SiH4 ratio and hydrogen dilution ratio of the p-μc-Si:H layer are studied experimentally. It is clearly shown that the double window layer can improve solar cell efficiency. An initial conversion efficiency of 10.63% is achieved for the a-Si:H solar cell.

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Development of high efficiency pin amorphous silicon solar cells with the p-μc-Si:H/p-a-SiC:H double window layer

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