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Iowa State University

Operational Research

Mechanical Engineering Publications

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Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

A Novel Framework For Visual Detection And Exploration Of Performance Bottlenecks In Organic Photovoltaic Solar Cell Materials, A. Aboulhassan, D. Baum, O. Wodo, Baskar Ganapathysubramanian, A. Amassian, M. Hadwiger Jan 2015

A Novel Framework For Visual Detection And Exploration Of Performance Bottlenecks In Organic Photovoltaic Solar Cell Materials, A. Aboulhassan, D. Baum, O. Wodo, Baskar Ganapathysubramanian, A. Amassian, M. Hadwiger

Mechanical Engineering Publications

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 ...