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Bisindolylmaleimide derivatives as non-doped red organic light-emitting materials

Paper ID Volume ID Publish Year Pages File Format Full-Text
27952 44052 2007 9 PDF Available
Title
Bisindolylmaleimide derivatives as non-doped red organic light-emitting materials
Abstract

A new series of bisindolylmaleimide (BIM) derivatives were synthesized. The absorption and fluorescence properties of these compounds were investigated in solution and solid state. Dramatic difference in solid-state fluorescence emission spectra was observed by changing the substituents on the fluorophores skeleton from methyl to benzyl. We performed X-ray crystallographic analyses to elucidate the effect of the substituents of the non-conjugated linkage on the solid-state fluorescence emission spectra. The relationships between the solid-state photophysical properties and the chemical and crystal structures of 2,3-bis(N-benzyl-2′methyl-3′-indolyl)-N-methylmaleimide (1S) and 2,3-bis(N-benzyl-2′methyl-3′-indolyl)-N-benzylmaleimide (5S) are discussed on the basis of the X-ray crystal data. Bis[2,3-bis(N-ethyl-2′methyl-3′-indolyl)-N-(prop-2-ynyl)maleimide] (1B) and 1S were utilized in non-doping host red EL device. The brightness reaches 393 cd m−2 at 100 mA cm−2 for 1S.

Keywords
Non-doped red organic light-emitting diodes; Bis-indolylmethylmaleimide; Fluorescence; Crystal structures; Substituent effects
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Bisindolylmaleimide derivatives as non-doped red organic light-emitting materials
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 192, Issue 1, 15 November 2007, Pages 8–16
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us