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5 October 2023 Using the solvation environment to drive the self assembly of conjugated polymers
Linda A. Peteanu, Stephanie Kramer, Megan Rice, Kevin J. T. Noonan
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Proceedings Volume PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII; PC126500R (2023) https://doi.org/10.1117/12.2677943
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Aggregation in conjugated polymers is a well-recognized driver of performance in organic opto-electronic devices. In particular, good device performance is correlated with processing methods that also minimize non-radiative traps that quench emission in thin films. Here we compare the efficacy of various solvent systems in producing weakly versus highly emissive aggregates in the well-studied polymer poly(3-hexylthiophene) or P3HT and show that many systems that appear highly quenched in bulk solution are strongly emissive in the solid state. Microscopy, transient dynamical measurements, and structural studies to probe the electronic and structural differences between weakly and highly emissive aggregates are described.
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Linda A. Peteanu, Stephanie Kramer, Megan Rice, and Kevin J. T. Noonan "Using the solvation environment to drive the self assembly of conjugated polymers", Proc. SPIE PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII, PC126500R (5 October 2023); https://doi.org/10.1117/12.2677943
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KEYWORDS
Polymers
Emissivity
Quenching
Microscopy
Organic optoelectronics
Solid state electronics
Thin film devices
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