Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Letter
Organic Light-emitting Diodes Based on Donor-substituted Phthalimide and Maleimide Fluorophores
Myung Eun JangTakuma YasudaJiyoung LeeSae Youn LeeChihaya Adachi
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Volume 44 (2015) Issue 9 Pages 1248-1250

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Abstract

Highly luminescent phthalimide- and maleimide-based molecules having donor–acceptor–donor electronic configurations have been developed. A phthalimide-based material exhibited highly efficient green delayed fluorescence owing to its small singlet–triplet energy gap. An organic light-emitting diode using the molecules as an emitter exhibited a high maximum external electroluminescence quantum efficiency of 11.5%, which exceeds those obtained with common fluorescent emitters.

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© 2015 The Chemical Society of Japan
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