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3 October 2022 Dynamic molecular conformational change in organic semiconductors and its impact on optoelectronic device performance (Conference Presentation)
Ji-Seon Kim
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Proceedings Volume PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI; PC1220812 (2022) https://doi.org/10.1117/12.2637545
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
One of the key factors that determines organic device performance is the specific molecular structure and function of organic materials in thin films, strongly governed by molecular conformational changes during operation. In this talk, the formation and dynamics of molecular conformation in blue light-emitting polymers will be first discussed. By probing in real time the evolution of fluorescence spectra of single polymer chains, we identify dynamic molecular conformation-controlled photophysical processes and their impact on device performance. Second, the importance of molecular conformational changes in organic photoconversion small molecules will be presented. Their effects on energetics, intermolecular interactions, and hence device performance and stability will be highlighted.
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Ji-Seon Kim "Dynamic molecular conformational change in organic semiconductors and its impact on optoelectronic device performance (Conference Presentation)", Proc. SPIE PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI, PC1220812 (3 October 2022); https://doi.org/10.1117/12.2637545
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KEYWORDS
Optoelectronic devices
Organic semiconductors
Polymers
Molecules
Solar energy
Photodetectors
Photovoltaics
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