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

  • The current characterization methods of the Bulk Heterojunction (BHJ) - the main material of the new Organic Photovoltaic 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 charac- terization and exploration of local structure-performance correlations. We propose a new formula that correlates the structural features to the performance bottlenecks. Since research into BHJ materials is highly multidisci- plinary, we enable a visual feedback strategy that allows the scientists to build intuition about the best choices of fabrication parameters. We evaluate the usefulness of our proposed system by obtaining new BHJ characteri- zations. We furthermore show that our approach could reduce the previous work-flow time from days to minutes.

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Author:Amal Aboulhassan, Daniel Baum, Olga Wodo, Baskar Ganapathysubramanian, Aram Amassian, Markus Hadwiger
Document Type:Article
Parent Title (English):Computer Graphics Forum
Volume:34
Issue:3
First Page:401
Last Page:410
Publisher:Wiley
Year of first publication:2015
Pagenumber:10
Preprint:urn:nbn:de:0297-zib-54353
DOI:http://dx.doi.org/10.1111/cgf.12652

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