Issue 12, 2015

Blue AIE luminogens bearing methyl groups: different linkage position, different number of methyl groups, and different intramolecular conjugation

Abstract

In this paper, four AIE-active luminogens (Methyl-BTPE, mMethylTPE-pTPE, oMethyl-BTPE and oMethylTPE-pTPE) exhibiting blue emissions were successfully synthesized, in which methyl groups of different numbers were introduced at different positions, to subtly tune the intramolecular conjugation. Their thermal, optical and electronic properties were fully investigated. The corresponding non-doped OLEDs exhibited high electroluminescence efficiencies with Lmax, ηC, max, and ηP, max values of up to 14 644 cd m−2, 4.06 cd A−1, and 9.7 lm W−1, respectively, showing the feasibility of this facile synthetic approach for the construction of blue AIE fluorophores.

Graphical abstract: Blue AIE luminogens bearing methyl groups: different linkage position, different number of methyl groups, and different intramolecular conjugation

Supplementary files

Article information

Article type
Research Article
Submitted
01 Sep 2015
Accepted
07 Oct 2015
First published
08 Oct 2015

Org. Chem. Front., 2015,2, 1608-1615

Blue AIE luminogens bearing methyl groups: different linkage position, different number of methyl groups, and different intramolecular conjugation

J. Huang, M. Yang, J. Yang, R. Tang, S. Ye, Q. Li and Z. Li, Org. Chem. Front., 2015, 2, 1608 DOI: 10.1039/C5QO00274E

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