標題: Wide-Range Enhancement of Spectral Response by Highly Conductive and Transparent mu c-SiOx:H Doped Layers in mu c-Si:H and a-Si:H/mu c-Si:H Thin-Film Solar Cells
作者: Chen, Pei-Ling
Chen, Po-Wei
Hsiao, Min-Wen
Hsu, Cheng-Hang
Tsai, Chuang-Chuang
光電工程學系
Department of Photonics
公開日期: 1-一月-2016
摘要: Theenhancement of optical absorption of silicon thin-film solar cells by the p-and n-type mu c-SiOx:H as doped and functional layers was presented. The effects of deposition conditions and oxygen content on optical, electrical, and structural properties of mu c-SiOx:H films were also discussed. Regarding the doped mu c-SiOx:H films, the wide optical band gap (E-04) of 2.33 eV while maintaining a high conductivity of 0.2 S/cm could be obtained with oxygen incorporation of 20 at.%. Compared to the conventional mu c-Si:H(p) as window layer in mu c-Si:H single-junction solar cells, the application of mu c-SiOx:H(p) increased the V-OC and led to a significant enhancement in the short-wavelength spectral response. Meanwhile, the employment of mu c-SiOx:H(n) instead of conventional ITO as back reflecting layer (BRL) enhanced the external quantum efficiency (EQE) of mu c-Si:H single-junction cell in the long-wavelength region, leading to a relative efficiency gain of 10%. Compared to the reference cell, the optimized a-Si:H/mu c-Si:H tandem cell by applying p-and n-type mu c-SiOx:H films achieved a V-OC of 1.37V, J(SC) of 10.55 mA/cm(2), FF of 73.67%, and efficiency of 10.51%, which was a relative enhancement of 16%.
URI: http://dx.doi.org/10.1155/2016/8172518
http://hdl.handle.net/11536/134158
ISSN: 1110-662X
DOI: 10.1155/2016/8172518
期刊: INTERNATIONAL JOURNAL OF PHOTOENERGY
起始頁: 0
結束頁: 0
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