Light trapping for flexible organic photovoltaics

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

doi:10.1117/12.2229582

26 September 2016 Light trapping for flexible organic photovoltaics

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

Author Affiliations +

Proceedings Volume 9942, Organic Photovoltaics XVII; 994211 (2016) https://doi.org/10.1117/12.2229582
Event: SPIE Organic Photonics + Electronics, 2016, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Yoonseok Park, Jana Berger, Paul-Anton Will, Marcos Soldera, Bernhard Glatz, Lars Müller-Meskamp, Kurt Taretto, Andreas Fery, Andrés Fabián Lasagni, Koen Vandewal, and Karl Leo "Light trapping for flexible organic photovoltaics", Proc. SPIE 9942, Organic Photovoltaics XVII, 994211 (26 September 2016); https://doi.org/10.1117/12.2229582

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