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Acridone-amine D-A-D thermally activated delayed fluorescence emitters with narrow resolved electroluminescence and their electrochromic properties

Vasylieva, Marharyta and Pander, Piotr and Sharma, Bharat K. and Shaikh, Azam M. and Kamble, Rajesh M. and Dias, Fernando B. and Czichy, Malgorzata and Data, Przemyslaw (2021) 'Acridone-amine D-A-D thermally activated delayed fluorescence emitters with narrow resolved electroluminescence and their electrochromic properties.', Electrochimica Acta., 384 . p. 138347.

Abstract

Acridones have found their role in luminescent materials for OLEDs. Most interestingly, showing potential as weak charge transfer thermally activated delayed fluorescence (TADF) emitters, providing narrow photoluminescence. In this work, we present a comprehensive study of donor-acceptor-donor (D-A-D) acridone-amine derivatives showing TADF and UV electrochromic properties. Structure-property relationships are studied using electrochemical and spectroelectrochemical methods as well as using photophysical characterization. Most successful emitters are used as luminescent materials in OLED, showing narrow (FWHM = 66-85 nm) electroluminescence in the green region with maximum EQE = 5.4%.

Item Type:Article
Full text:Publisher-imposed embargo until 09 April 2023.
(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives 4.0.
File format - PDF
(1525Kb)
Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.electacta.2021.138347
Publisher statement:© 2021 This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Date accepted:03 April 2021
Date deposited:22 July 2021
Date of first online publication:09 April 2021
Date first made open access:09 April 2023

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