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Proceedings Paper

Roll-to-roll production of organic solar cells
Author(s): C. Uhrich; A. Weiß; M. Pfeiffer
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Paper Abstract

We report on high efficient multi-junction small-molecule organic p-i-n solar cells with an efficiency of up to 13.2% efficiency with an active area of 1.1 cm² from our labs. Furthermore, we discuss in detail the photon loss mechanisms of triple stacked solar cells of 12.5% efficiency by means of IPCE measurements in combination with an optical model. Additionally, we report about the latest findings from our fully integrated roll-to-roll vacuum production process of smallmolecule organic p-i-n tandem solar cells. Modules from Heliatek’s roll-to-roll production show efficiencies of 7.7% on the active area of 4629cm2 with a fill factor of 66%. Modules from production were analyzed via IPCE-measurement showing a good agreement with the optical calculation mentioned above. This shows that organic layer sequences developed, tested, and analyzed on a lab tool were successfully transferred to a roll to roll vacuum machine.

Paper Details

Date Published: 1 September 2017
PDF: 5 pages
Proc. SPIE 10363, Organic, Hybrid, and Perovskite Photovoltaics XVIII, 103630F (1 September 2017); doi: 10.1117/12.2273833
Show Author Affiliations
C. Uhrich, Heliatek GmbH (Germany)
A. Weiß, Heliatek GmbH (Germany)
M. Pfeiffer, Heliatek GmbH (Germany)

Published in SPIE Proceedings Vol. 10363:
Organic, Hybrid, and Perovskite Photovoltaics XVIII
Zakya H. Kafafi; Paul A. Lane; Kwanghee Lee, Editor(s)

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