Spectral properties of red/NIR emitters as photosensitizers in water-micelles medium

Estera Hoffman-Rusin; Michal Monka; Daria Grzywacz; Karol Kozakiewicz; Beata Liberek; Illia E. Serdiuk; Piotr Bojarski

doi:10.1117/12.2646677

26 September 2022 Spectral properties of red/NIR emitters as photosensitizers in water-micelles medium

Estera Hoffman-Rusin, Michal Monka, Daria Grzywacz, Karol Kozakiewicz, Beata Liberek, Illia E. Serdiuk, Piotr Bojarski

Proceedings Volume PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI; PC122081I (2022) https://doi.org/10.1117/12.2646677
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Conference Poster

Abstract

The organic dyes showing thermally activated delayed fluorescence (TADF) can be very promising photosensitizers as they store absorbed energy in triplet states up to milliseconds, have high PLQY and are chemically stable. Putting heavy atom in donor part of the molecule causes elongation the emissive of fluorescensce. To compare external and internal heavy-atom effect in TADF emiters in water solutions, hosts with a different types of polarity were used to separate dye-molecules embedded in micelles and basic photophysical properties were checked using steady-state and time-resolved measurements.

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Estera Hoffman-Rusin, Michal Monka, Daria Grzywacz, Karol Kozakiewicz, Beata Liberek, Illia E. Serdiuk, and Piotr Bojarski "Spectral properties of red/NIR emitters as photosensitizers in water-micelles medium", Proc. SPIE PC12208, Organic and Hybrid Light Emitting Materials and Devices XXVI, PC122081I (26 September 2022); https://doi.org/10.1117/12.2646677

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