Highly rigid and twisted anthracene derivatives: a strategy for deep blue OLED materials with theoretical limit efficiency

New highly twisted and rigid blue materials composed of anthracene with xylene as the core unit and either naphthalene or phenyl end units were synthesized. Non-doped devices using BDNA displayed 5.26% maximum external quantum efficiency with CIE color coordinates ( x , y : 0.159, 0.072). Non-doped...

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Bibliographic Details
Published in:Journal of materials chemistry 2012-01, Vol.22 (6), p.2695-27
Main Authors: Park, Hyuntae, Lee, Jonghee, Kang, Il, Chu, Hye Yong, Lee, Jeong-Ik, Kwon, Soon-Ki, Kim, Yun-Hi
Format: Article
Language:English
Subjects:
Anthracene
Color
Derivatives
Devices
Phenyls
Quantum efficiency
Strategy
Xylene
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Summary:New highly twisted and rigid blue materials composed of anthracene with xylene as the core unit and either naphthalene or phenyl end units were synthesized. Non-doped devices using BDNA displayed 5.26% maximum external quantum efficiency with CIE color coordinates ( x , y : 0.159, 0.072). Non-doped devices using strictly rigid structured anthracenes with well defined PL and mirror image similarity between absorption and emission spectra displayed 5.26% maximum external quantum efficiency with CIE color coordinates ( x , y : 0.159, 0.072).
ISSN:0959-9428
1364-5501
DOI:10.1039/c2jm16056k