The use of polyurethane as encapsulating method for polymer solar cells - An inter laboratory study on outdoor stability in 8 countries

  • Roar R. Søndergaard
  • , Theodoros Makris
  • , Panagiotis Lianos
  • , Assaf Manor
  • , Eugene A. Katz
  • , Wei Gong
  • , Sachetan M. Tuladhar
  • , Jenny Nelson
  • , Ralf Tuomi
  • , Paul Sommeling
  • , Sjoerd C. Veenstra
  • , Agnès Rivaton
  • , Aurélie Dupuis
  • , Gerardo Teran-Escobar
  • , Monica Lira-Cantu
  • , Subarna B. Sapkota
  • , Birger Zimmermann
  • , Uli Würfel
  • , Andreas Matzarakis
  • , Frederik C. Krebs

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

A new encapsulation method for organic solar cells has been tested on flexible solar modules and cells embedded in polyurethane, sandwiched between a tempered glass plate and a polycarbonate plate. Panels, each containing 10 organic solar modules/cells, were fabricated and installed for outdoor exposure in eight different countries for 4 months. In order to minimize potential deviations in procedures and equipment, one person was responsible for the fabrication, installation and initial and final IV-measurements of the panels using the same equipment for all measurements and calibrations. The encapsulated modules/cells showed significantly reduced degradation compared with previous studies, with final average efficiencies around 40% of the original after 4 months outdoor exposure. Photodegradation was furthermore found not to be the primary source of degradation.

Original languageEnglish
Pages (from-to)292-300
Number of pages9
JournalSolar Energy Materials and Solar Cells
Volume99
DOIs
StatePublished - 1 Apr 2012

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Encapsulation
  • Inter laboratory study (ILS)
  • Organic solar cells
  • Outdoor stability study
  • Polyurethane
  • Round robin

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

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