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Oligofluorene blue emitters for cholesteric liquid crystal lasers

Paper ID Volume ID Publish Year Pages File Format Full-Text
27036 43996 2010 10 PDF Available
Title
Oligofluorene blue emitters for cholesteric liquid crystal lasers
Abstract

We present the synthesis and characterization of an oligofluorene series whose chemical structure has been tuned to have amorphous nature, compatibility with liquid crystalline matrices and intrinsic chirality. Oligofluorenes are good blue emitters and the emission quantum yield is around 0.8 in the violet-blue range. The prepared materials are suitable for mirror-less laser applications based on a dye-doped liquid crystal resonator. We propose to use fluorene-based compounds to combine two necessary properties to achieve laser emission from cholesteric liquid crystal mixtures: chirality and luminescence. A good intensity emission and a fine tuning of the laser emission are demonstrated.

Keywords
Oligofluorenes; Luminescent materials; Cholesteric liquid crystals; Photonic band gap materials; Lasers
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 210, Issues 2–3, 25 February 2010, Pages 130–139
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