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Study of Gallium Front Grading at Low Deposition Temperature on Polyimide Substrates and Impacts on the Solar Cell Properties

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2018 France Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Journal of Photovoltaics, volume 8, pages 1,852-1,857 (issn: 2156-3381, eissn: 2156-3403,

Authors: Valentin Achard; Matteo Balestrieri; Solene Bechu; Muriel Bouttemy; Marie Jubault; Thibaud Hildebrandt; Laurent Lombez; +4 Authors

doi: 10.1109/jphotov.2018.2866195

Study of Gallium Front Grading at Low Deposition Temperature on Polyimide Substrates and Impacts on the Solar Cell Properties

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Abstract

Cu(In,Ga)Se2 (CIGS) solar cells have achieved the highest efficiencies among thin-film solar technologies. At low temperatures ( V oc and FF with high Ga content at the interface. We show that the insertion of a Ga-rich layer favors the formation of ordered vacancy compound phases, and the absence of Ga during the last stage of the process impacts the overall element diffusion. Optimized Ga gradient leads to 17.8% efficiency solar cells without antireflecting coating or KF postdeposition treatment.

Country

France

Related Organizations

École Polytechnique
France
Institut Photovoltaïque d’Île-de-France
France
Institut Photovoltaïque d’Île-de-France
France
Université de Versailles Saint-Quentin-en-Yvelines
France
Versailles Saint-Quentin-en-Yvelines University
France

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Keywords

[CHIM.MATE]Chemical Sciences/Material chemistry, [CHIM.INOR]Chemical Sciences/Inorganic chemistry, [SPI.MAT]Engineering Sciences [physics]/Materials, [CHIM.ANAL]Chemical Sciences/Analytical chemistry

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	10
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%