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Published January 1, 2014 | Version v1
Journal article Open

Worldwide outdoor round robin study of organic photovoltaic devices and modules

Creators

  • 1. Tech Univ Denmark, Dept Energy Convers & Storage, DK-4000 Roskilde, Denmark
  • 2. CIC Microgune, IK4 IKERLAN Microsyst, E-20500 Arrasate Mondragon, Spain
  • 3. Bangor Univ, Sch Elect Engn, Bangor LL57 1UT, Gwynedd, Wales
  • 4. Cyprus Univ Technol, Mol Elect & Photon Res Unit, CY-3041 Limassol, Cyprus
  • 5. Univ Fed Parana, Dept Phys, BR-81531990 Curitiba, Parana, Brazil
  • 6. Univ Addis Ababa, Dept Chem, Addis Ababa, Ethiopia
  • 7. Univ Padua, Dept Informat Engn, I-35131 Padua, Italy
  • 8. Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R China
  • 9. Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
  • 10. CSIRO Energy Technol, Newcastle, NSW 2300, Australia

Description

Accurate characterization and reporting of organic photovoltaic (OPV) device performance reniains one of the important challenges in the field. The large spread among the efficiencies of devices with the same structure reported by different groups is significantly caused by different procedures and equipment used during testing. The presented article addresses this issue by offering a new method of device testing using "suitcase sample" approach combined with outdoor testing that limits the diversity of the equipment, and a strict measurement protocol. A round robin outdoor characterization of roll-to-roll coated OPV cells and modules conducted among 46 laboratories worldwide is presented, where the samples and the testing equipment were integrated in a compact suitcase that served both as a sample transportation tool and as a holder and test equipment during testing. In addition, an internet based coordination was used via plasticphotovoltaics.org that allowed fast and efficient communication among participants and provided a controlled reporting format for the results that eased the analysis of the data. The reported deviations among the laboratories were limited to 5% when compared to the Si reference device integrated in the suitcase and were up to 8% when calculated using the local irradiance data. Therefore, this method offers a fast, cheap and efficient tool for sample sharing and testing that allows conducting outdoor measurements of OPV devices in a reproducible manner. (C) 2014 Elsevier B.V. All rights reserved.

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