Screening of Materials for OPV –How to Find the Needle in the Haystack - the Perfect Candidate(s)
Eva Bundgaard a
a Technical University of Denmark (DTU), Denmark
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Swansea, United Kingdom, 2016 June 29th - July 1st
Organizers: James Durrant, Henry Snaith and David Worsley
Oral, Eva Bundgaard, presentation 019
Publication date: 28th March 2016

Research in organic solar cells has within the past decade especially focused on the light absorbing material in organic solar cells with a focus on increasing the power conversion efficiencies. The results are mainly on small area devices prepared by methods which are not compatible for large scale processing and most often with a complicated synthetic route of the material. However, in order to bring organic solar cells to the market we need to focus on light absorbing materials which fulfill several requirements, such as an easy synthesis with few steps and high yields, materials which results in stable and high performing cells which are processed by scalable methods. In order to meet the requirements we sat up a library, as they do in the medical industry, of more than 100 polymers and characterized and tested these in organic solar cells. The results of the screening along further experiments, such as side chain manipulation and synthetic procedures of the lead candidates will be presented in this talk.



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