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Published in: Journal of Materials Science: Materials in Electronics 16/2022

20-05-2022 | Review

Blue light polymeric emitters for the development of OLED devices

Authors: Daniela Corrêa Santos, Maria de Fátima Vieira Marques

Published in: Journal of Materials Science: Materials in Electronics | Issue 16/2022

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Abstract

Organic light-emitting diodes (OLED) are being widely studied for application in electronic devices and lighting due to their several advantages. The molecular structure of the emitter can control the light emission of each device. The ease of thin-film formation and the possibility of wet production make the development of polymeric materials a promising strategy. One of the main challenges in the OLED device is the formation of the blue color due to the low stability and efficiency of the existing emitters. Conventional emitting materials, fluorescent and phosphorescent, despite presenting consolidated studies, still show some disadvantages, such as the use of dopants and the need to use heavy metals in the case of phosphorescence. Therefore, the investigation of new polymeric blue light emitters is of broad interest in the scientific community, as is the case of the thermally activated delayed fluorescence (TADF), triplet–triplet fusion (TTF), and hybridized local and charge-transfer (HLCT) emitters. These new light emitters present mechanisms and strategies that can overcome the challenges of conventional ones for application to solid-state lighting. Despite the extensive research into new polymeric blue light emitters, there is still a great deal of space for further studies to improve their efficiency and application.

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Metadata
Title
Blue light polymeric emitters for the development of OLED devices
Authors
Daniela Corrêa Santos
Maria de Fátima Vieira Marques
Publication date
20-05-2022
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 16/2022
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-022-08333-3

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