The optical properties of conjugated materials and their aggregates: towards imaging of films and devices

Linda A. Peteanu; Jiyun Hong; SuKyung Jeon; Janice Kim; Diane Devi; Jurjen Wildeman; Matthew Y. Sfeir; James H. Werner; Andrew P. Shreve

doi:10.1117/12.2063460

9 September 2014 The optical properties of conjugated materials and their aggregates: towards imaging of films and devices

Linda A. Peteanu, Jiyun Hong, SuKyung Jeon, Janice Kim, Diane Devi, Jurjen Wildeman, Matthew Y. Sfeir, James H. Werner, Andrew P. Shreve

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Proceedings Volume 9165, Physical Chemistry of Interfaces and Nanomaterials XIII; 91650L (2014) https://doi.org/10.1117/12.2063460
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Applications of conjugated polymers in photovoltaics and displays drive the need to understand how morphology affects emission and charge migration. Due to the inherent complexity of polymers, parallel studies of oligomer aggregates are required to ‘build-up' an understanding of the polymer features. Fluorescence lifetime imaging microscopy (FLIM) is used to probe variations in vibronic patterns and emission lifetime between individual aggregates and trends in these properties as a function of aggregate size. This technique yields insight into the structure and packing properties of these materials in the aggregated state.

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Linda A. Peteanu, Jiyun Hong, SuKyung Jeon, Janice Kim, Diane Devi, Jurjen Wildeman, Matthew Y. Sfeir, James H. Werner, and Andrew P. Shreve "The optical properties of conjugated materials and their aggregates: towards imaging of films and devices", Proc. SPIE 9165, Physical Chemistry of Interfaces and Nanomaterials XIII, 91650L (9 September 2014); https://doi.org/10.1117/12.2063460

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KEYWORDS

Fluorescence lifetime imaging

Polymers

Luminescence

Microscopy

Picosecond phenomena

Gold

Chromophores

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