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

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...

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Bibliographic Details
Published in:Computer graphics forum 2015-06, Vol.34 (3), p.401-410
Main Authors: Aboulhassan, A., Baum, D., Wodo, O., Ganapathysubramanian, B., Amassian, A., Hadwiger, M.
Format: Article
Language:English
Subjects:
Analysis
Computational efficiency
Computer graphics
Correlation
Design engineering
Exploration
Materials research
Photovoltaic cells
Solar cells
Strategy
Studies
Visual
Visualization
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Summary: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.
ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.12652