Second phases in CdS/CuInSe2 solar cells

Elizabeth Burck Varner; Clayton W. Bates Jr.

doi:10.1117/12.130562

9 December 1992 Second phases in CdS/CuInSe₂ solar cells

Elizabeth Burck Varner, Clayton W. Bates Jr.

Proceedings Volume 1729, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry; (1992) https://doi.org/10.1117/12.130562
Event: Optical Materials Technology for Energy Efficiency and Solar Energy, 1992, Toulouse-Labege, France

Abstract

Though second phases consisting of Cu_2-xSe or In₂O₃ are known to occur in CuInSe₂ deposited by various methods and on a variety of substrates, establishing whether these second phases are present in CdS/CuInSe₂ heterojunction solar cells has been complicated by the additional material layers in the solar cells. Hence the effect of second phases on the electrical properties and device performance has not been specified in detail in previous studies of this structure. In this paper the authors investigate the use of x-ray diffraction to determine whether second phases are present in CdS/CuInSe₂ solar cells prepared by chemical spray pyrolysis. On phase in the CuInSe₂ of the solar cells. An attempt to remove Cu_2-xSe by chemically selective etches failed, perhaps because the diffraction peak attributed to Cu_2-xSe actually had a different cause. Future studies will attempt to determine this cause. If a second phase is the cause, both removing it or preventing its formation will be studied in an effort to determine its effect on solar cell efficiency.

Citation Download Citation

Elizabeth Burck Varner and Clayton W. Bates Jr. "Second phases in CdS/CuInSe₂ solar cells", Proc. SPIE 1729, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XI: Photovoltaics, Photochemistry, Photoelectrochemistry, (9 December 1992); https://doi.org/10.1117/12.130562

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