Luminescence Tuning of Organoboron Quinolates through Substituent Variation at the 5-Position of the Quinolato Moiety

A series of organoboron quinolates with emission colors ranging from blue to red have been prepared. In comparison to the respective AlQ3 derivatives a distinct blue-shift of the emission is observed. Theoretical calculations serve to provide insight into the nature of the frontier orbitals and the...

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Bibliographic Details
Published inOrganic letters Vol. 8; no. 23; pp. 5227 - 5230
Main Authors Qin, Yang, Kiburu, Irene, Shah, Shimul, Jäkle, Frieder
Format Journal Article
LanguageEnglish
Published WASHINGTON American Chemical Society 09.11.2006
Amer Chemical Soc
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
ALQ-FUNCTIONALIZED POLYMERS
EXTENDED CONJUGATED CHROMOPHORES
LIGHT-EMITTING MATERIALS
ALUMINUM
BORON
ELECTROPHOSPHORESCENT DEVICES
ORGANIC ELECTROLUMINESCENCE
BLUE
ELECTROLUMINESCENT PROPERTIES
COMPLEXES
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Summary:A series of organoboron quinolates with emission colors ranging from blue to red have been prepared. In comparison to the respective AlQ3 derivatives a distinct blue-shift of the emission is observed. Theoretical calculations serve to provide insight into the nature of the frontier orbitals and the effect of the substituents in the 5-position of the quinolate ligands on the relative HOMO and LUMO energy levels. An efficient new blue emitting material with a pinacolborane substituent has been identified.
Bibliography:ObjectType-Article-1
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ISSN:1523-7060
1523-7052
DOI:10.1021/ol0619664