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Proceedings Paper

Light trapping for flexible organic photovoltaics
Author(s): Yoonseok Park; Jana Berger; Paul-Anton Will; Marcos Soldera; Bernhard Glatz; Lars Müller-Meskamp; Kurt Taretto; Andreas Fery; Andrés Fabián Lasagni; Koen Vandewal; Karl Leo
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Paper Abstract

Here we investigate light trapping substrates and electrodes for enhancing the performance of organic photovoltaics (OPVs). Their power conversion efficiency (PCE) can be improved by a factor of 1.16 using laser patterned PET substrates and by a factor of 1.13 using commercial, structured display films. Furthermore, we prepare light trapping electrodes using as flexible conductive polymer with embedded TiO2 nanoparticles, improving the PCE by a factor of 1.08 as compared to a neat polymer electrode. However, nano-imprinted conductive polymer electrodes does not provide light trapping effect due to the small size (50 nm) of the structures. Moreover flexible OPV devices, integrating the above light trapping elements, show non-degraded performance after bending tests.

Paper Details

Date Published: 26 September 2016
PDF: 9 pages
Proc. SPIE 9942, Organic Photovoltaics XVII, 994211 (26 September 2016); doi: 10.1117/12.2229582
Show Author Affiliations
Yoonseok Park, Dresden Integrated Ctr. for Applied Physics and Photonic Materials (Germany)
Institute for Applied Physics (Germany)
Jana Berger, Fraunhofer Institute for Material and Beam Technology (Germany)
Technische Univ. Dresden (Germany)
Paul-Anton Will, Dresden Integrated Ctr. for Applied Physics and Photonic Materials (Germany)
Institute for Applied Physics (Germany)
Marcos Soldera, Univ. Nacional del Comahue – CONICET (Argentina)
Bernhard Glatz, Leibniz-Institut für Polymerforschung Dresden e.V. (Germany)
Lars Müller-Meskamp, Dresden Integrated Ctr. for Applied Physics and Photonic Materials (Germany)
Institute for Applied Physics (Germany)
Kurt Taretto, Univ. Nacional del Comahue – CONICET (Argentina)
Andreas Fery, Leibniz-Institut für Polymerforschung Dresden e.V. (Germany)
Andrés Fabián Lasagni, Technische Univ. Dresden (Germany)
TU Dresden (Germany)
Koen Vandewal, Dresden Integrated Ctr. for Applied Physics and Photonic Materials (Germany)
Institute for Applied Physics (Germany)
Karl Leo, Dresden Integrated Ctr. for Applied Physics and Photonic Materials (Germany)
Institute for Applied Physics (Germany)
Canadian Institute for Advanced Research (Canada)


Published in SPIE Proceedings Vol. 9942:
Organic Photovoltaics XVII
Zakya H. Kafafi; Paul A. Lane; Ifor D. W. Samuel, Editor(s)

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