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Highly Luminescent and Color-Tunable Salicylate Ionic Liquids

TitleHighly Luminescent and Color-Tunable Salicylate Ionic Liquids
Publication TypeJournal Article
Year of Publication2014
AuthorsCampbell, PS, Yang, M, Pitz, D, Cybinska, J, Mudring, AV
JournalChemistry-a European Journal
Volume20
Pagination4704-4712
Date Published04
Type of ArticleArticle
ISBN Number0947-6539
Accession NumberWOS:000334080800025
Keywords1,3-cyclohexadiene, benzobis(imidazolium) salts, catalytic-hydrogenation, deposition, derivatives, devices, Ionic liquids, light-emitting-diodes, nanoparticles, NMR spectroscopy, optical-properties, photoluminescence, ruthenium, synthetic methods, technology, UV, Vis spectroscopy
Abstract

High quantum yields of up to 40.5% can be achieved in salicylate-bearing ionic liquids. A range of these ionic liquids have been synthesized and their photoluminescent properties studied in detail. The differences noted can be related back to the structure of the ionic liquid cation and possible interionic interactions. It is found that shifts of emission, particularly in the pyridinium-based ionic liquids, can be related to cation-anion pairing interactions. Facile and controlled emission color mixing is demonstrated through combining different ILs, with emission colors ranging from blue to yellow.

DOI10.1002/chem.201301363
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