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Hongping Yan, Sufal Swaraj, Cheng Wang, Inchan Hwang, Neil C. Greenham, Chris Groves, Harald Ade and Christopher R. McNeill Influence of Annealing and Interfacial Roughness on the Performance of Bilayer Donor/Acceptor Polymer Photovoltaic Devices Advanced Functional Materials 20

Version of Record online: 28 SEP 2010 | DOI: 10.1002/adfm.201001292

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The influence of interface structure on the performance of bilayer polymer heterojunction devices is investigated. Through a combination of X-ray reflectivity, photoluminescence quenching, device characterization, and Monte Carlo studies, we show that the performance of polymer solar cells is sensitive to interfacial structure with non-equilibrium, sharp interfaces optimal for charge separation.

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