Spectroscopic and electrical imaging of disordered polymeric solar cells: understanding aggregation effects on material performance

Yongqian Gao; Thomas P. Martin; Edwards T. Niles; Adam J. Wise; Alan K. Thomas; John K. Grey

doi:10.1117/12.861859

30 August 2010 Spectroscopic and electrical imaging of disordered polymeric solar cells: understanding aggregation effects on material performance

Yongqian Gao, Thomas P. Martin, Edwards T. Niles, Adam J. Wise, Alan K. Thomas, John K. Grey

Author Affiliations +

Proceedings Volume 7758, Physical Chemistry of Interfaces and Nanomaterials IX; 775808 (2010) https://doi.org/10.1117/12.861859
Event: SPIE NanoScience + Engineering, 2010, San Diego, California, United States

Abstract

The manner in which polymer chains pack and organize in thin film structures is crucial to maximizing the efficiency of charge and energy transport processes in solar cell devices. We use new spectroscopic and electrical imaging tools to spatially map and correlate local structure (chain conformation, packing, morphology) to local photocurrent generation efficiency. Both Raman and photoluminescence approaches are used that provide unique insights into important structural attributes and how they vary with film morphology. Simultaneous electrical measurements are then used to establish the roles of specific structural features to photocurrent production.

Citation Download Citation

Yongqian Gao, Thomas P. Martin, Edwards T. Niles, Adam J. Wise, Alan K. Thomas, and John K. Grey "Spectroscopic and electrical imaging of disordered polymeric solar cells: understanding aggregation effects on material performance", Proc. SPIE 7758, Physical Chemistry of Interfaces and Nanomaterials IX, 775808 (30 August 2010); https://doi.org/10.1117/12.861859

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