A Novel Framework for Visual Detection and Exploration of Performance Bottlenecks in Organic Photovoltaic Solar Cell Materials

Please always quote using this URN: urn:nbn:de:0297-zib-54353
  • Current characterization methods of the so-called Bulk Heterojunction (BHJ), which is the main material of Organic Photovoltaic (OPV) solar cells, are limited to the analysis of global fabrication parameters. This reduces the efficiency of the BHJ design process, since it misses critical information about the local performance bottlenecks in the morphology of the material. In this paper, we propose a novel framework that fills this gap through visual characterization and exploration of local structure-performance correlations. We also propose a formula that correlates the structural features with the performance bottlenecks. Since research into BHJ materials is highly multidisciplinary, our framework enables a visual feedback strategy that allows scientists to build intuition about the best choices of fabrication parameters. We evaluate the usefulness of our proposed system by obtaining new BHJ characterizations. Furthermore, we show that our approach could substantially reduce the turnaround time.

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Author:Amal Aboulhassan, Daniel Baum, Olga Wodo, Baskar Ganapathysubramanian, Aram Amassian, Markus Hadwiger
Document Type:ZIB-Report
Date of first Publication:2015/09/04
Series (Serial Number):ZIB-Report (15-20)
ISSN:1438-0064
Published in:Appeared in: Computer Graphics Forum, 34(3), pp. 401-410, 2015

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