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Exciplex enhancement as a tool to increase OLED device efficiency.

Data, Przemyslaw and Kurowska, Aleksandra and Pluczyk, Sandra and Zassowski, Pawel and Pander, Piotr and Jedrysiak, Rafal and Czwartosz, Michal and Otulakowski, Lukasz and Suwinski, Jerzy and Lapkowski, Mieczyslaw and Monkman, Andrew P. (2016) 'Exciplex enhancement as a tool to increase OLED device efficiency.', Journal of physical chemistry C., 120 (4). pp. 2070-2078.


Organic electronics, mainly due to advancements in OLED (organic light-emitting diode) technology, is a fast developing research area having already revolutionized the displays market. This direction presents the use of exciplex emitters and thermally activated delayed fluorescence (TADF) in OLEDs, to give efficient, stable emitters that do not use scarce and expensive materials such as iridium. Here, it is shown for the first time several diketopyrrolopyrrole (DPP) derivatives that could be used as emitters in OLED devices. We were able to improve the efficiency of DPP materials by forming exciplex-enhanced OLED devices. These organic materials were also characterized by electrochemical and spectroscopic methods in order to elucidate each molecule's interaction and decrease the photoluminescence efficiency.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Publisher statement:This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of physical chemistry C, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see
Date accepted:07 January 2016
Date deposited:09 August 2017
Date of first online publication:11 January 2016
Date first made open access:09 August 2017

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