Journal
DYES AND PIGMENTS
Volume 95, Issue 2, Pages 384-391Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2012.05.002
Keywords
Blue OLED; Limb structure; Anthracene derivatives; Quantum efficiency; Color purity; Non-coplanar structure
Funding
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2011-0003336, 2011-0000310, 2010-0029084]
- MKE
- KIAT
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We designed new three limb structured anthracene derivatives, PNA, NNA and FNA, which are composed of an anthracene core and naphthalene units at the 9,10-positions of anthracene and phenyl, naphthalene and fluorene units at the 2,3-positons of anthracene. The effect of the introduced limbs on the 2,3,9,10-positions of anthracene was studied. The doped EL devices using ADN as a host and (3% PNA or NNA or FNA) as a dopant showed similar maximum quantum efficiency of 3.9%-4.3% with high color purity of (0.15, 0.13). (C) 2012 Elsevier Ltd. All rights reserved.
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