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Thermally activated delayed fluorescence with narrow emission spectrum and organic room temperature phosphorescence by controlling spin-orbit coupling and phosphorescence lifetime of metal-free organic molecules.

Pander, Piotr Henryk and Swist, Agnieszka and Soloducho, Jadwiga and Dias, Fernando and Data, Przemyslaw (2018) 'Thermally activated delayed fluorescence with narrow emission spectrum and organic room temperature phosphorescence by controlling spin-orbit coupling and phosphorescence lifetime of metal-free organic molecules.', Journal of materials chemistry C., 6 (20). 5434--5443.

Abstract

This work shows a study of two organic molecules with very similar, large singlet-triplet gap of which one is a TADF emitter and the other an RTP emitter. By investigation of photophysical properties of these compounds, it is possible to explain their distinct behavior. Properties are studied in non-polar polymer and OLED host with further device fabrication. Furthermore, this work presents a CT TADF emitter that shows narrow and resolved electroluminescence (FWHM of 53 nm). The study presents efficient RTP emitter based on the D-D-D structure and also a first acridone-based TADF emitter of D-A-D structure.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1039/C8TC00175H
Date accepted:13 April 2018
Date deposited:09 May 2018
Date of first online publication:16 April 2018
Date first made open access:13 April 2019

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