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Back Contact Passivation Effects in Bi-Facial Thin CIGS Solar Cells
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
IMEC, Kapeldreef 75, B-3001 Leuven, Belgium..ORCID iD: 0000-0003-2669-2087
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.ORCID iD: 0000-0001-6589-3514
2016 (English)In: 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), IEEE , 2016, 3527-3529 p.Conference paper, Published paper (Refereed)
Abstract [en]

Bi-facial solar cells with ultrathin CIGS solar cells are fabricated to investigate the influence of back contact passivation. Solar cells with CIGS thicknesses of 300 and 500 nm and with an ultrathin transparent Mo layer are characterized using EQE measurements from both the front and the rear side as well as with I-V measurements. Back contact passivation consisting of Al2O3 deposited by atomic layer deposition and nano-sized point contact openings is used. The results are compared to cells with only the transparent Mo layer as back contact. We find a significant effect of the passivation manifested as an increase in the current density of the solar cells with the passivation.

Place, publisher, year, edition, pages
IEEE , 2016. 3527-3529 p.
Series
IEEE Photovoltaic Specialists Conference, ISSN 0160-8371 ; 43
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-331390DOI: 10.1109/PVSC.2016.7750326ISI: 000399818703117ISBN: 978-1-5090-2724-8 OAI: oai:DiVA.org:uu-331390DiVA: diva2:1149221
Conference
43rd IEEE Photovoltaic Specialists Conference (PVSC), JUN 05-10, 2016, Portland, OR
Funder
Swedish Research CouncilSwedish Energy Agency
Available from: 2017-10-13 Created: 2017-10-13 Last updated: 2017-10-13Bibliographically approved

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Edoff, MarikaJoel, JonathanHägglund, Carl

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