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Polymers 2016, 8(1), 1; doi:10.3390/polym8010001

Comparative Indoor and Outdoor Degradation of Organic Photovoltaic Cells via Inter-laboratory Collaboration

1
Department of Physics & Astronomy, Pomona College, Claremont, CA 91711, USA
2
Heliatek GmbH, Treidlerstraße 3, 01139 Dresden, Germany
3
Imec, Kapeldreef 75, 3000 Leuven, Belgium
4
Holst Centre, High Tech Campus 31, 5656 AE Eindhoven, The Netherlands
5
Fraunhofer ISE, Heidenhofstrasse 2, D-79110 Freiburg, Germany
6
Institut für Physik, Ilmenau University of Technology, Weimarer Str. 32, 98693 Ilmenau, Germany
7
Center for Energy and Environmental Chemistry Jena (CEEC), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
8
Laboratory of Organic and Macromolecular Chemistry, Friedrich-Schiller-Universität Jena, Humboldtstr. 10, 07743 Jena, Germany
9
Department of Energy Conversion and Storage, Technical University of Denmark, DTU, Frederiksborgvej 399, 4000-Roskilde, Denmark
10
ICN2-Institut Catala de Nanociencia i Nanotecnologia, Campus UAB, 08193 Bellaterra (Barcelona), Spain
11
CSIC-Consejo Superior de Investigaciones Cientifcas, ICN2 Building Campus UAB, 08193 Bellaterra (Barcelona), Spain
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Christian B. Nielsen and Laure Biniek
Received: 28 October 2015 / Revised: 29 November 2015 / Accepted: 16 December 2015 / Published: 23 December 2015
(This article belongs to the Special Issue Organic Photovoltaics)
View Full-Text   |   Download PDF [2440 KB, uploaded 23 December 2015]   |  

Abstract

We report on the degradation of organic photovoltaic (OPV) cells in both indoor and outdoor environments. Eight different research groups contributed state of the art OPV cells to be studied at Pomona College. Power conversion efficiency and fill factor were determined from IV curves collected at regular intervals over six to eight months. Similarly prepared devices were measured indoors, outdoors, and after dark storage. Device architectures are compared. Cells kept indoors performed better than outdoors due to the lack of temperature and humidity extremes. Encapsulated cells performed better due to the minimal oxidation. Some devices showed steady aging but many failed catastrophically due to corrosion of electrodes not active device layers. Degradation of cells kept in dark storage was minimal over periods up to one year. View Full-Text
Keywords: degradation effects; environmental degradation; organic photovoltaic cells; outdoor testing; polymer photovoltaic cells; small molecule photovoltaic cells; power conversion efficiency; stability degradation effects; environmental degradation; organic photovoltaic cells; outdoor testing; polymer photovoltaic cells; small molecule photovoltaic cells; power conversion efficiency; stability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Owens, C.; Ferguson, G.M.; Hermenau, M.; Voroshazi, E.; Galagan, Y.; Zimmermann, B.; Rösch, R.; Angmo, D.; Teran-Escobar, G.; Uhrich, C.; Andriessen, R.; Hoppe, H.; Würfel, U.; Lira-Cantu, M.; Krebs, F.C.; Tanenbaum, D.M. Comparative Indoor and Outdoor Degradation of Organic Photovoltaic Cells via Inter-laboratory Collaboration. Polymers 2016, 8, 1.

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