Issue 11, 2015

New AIEgens containing tetraphenylethene and silole moieties: tunable intramolecular conjugation, aggregation-induced emission characteristics and good device performance

Abstract

Three aggregation-induced emission luminogens (Si-pTPE, Si-tPE and Si-mTPE) were successfully obtained by the covalent incorporation of tetraphenylethene into a dibenzosilole core. Through sharing a benzene ring and changing the linkage mode between TPE and the silole core, the emission colours were tuned from green to sky blue and even to deep blue. The non-doped OLED device based on Si-tPE emits a sky blue light with high luminance (up to 27 161 cd m−2) and high current, power and external quantum efficiencies (up to 8.04 cd A−1, 6.17 lm W−1 and 3.38%, respectively).

Graphical abstract: New AIEgens containing tetraphenylethene and silole moieties: tunable intramolecular conjugation, aggregation-induced emission characteristics and good device performance

Supplementary files

Article information

Article type
Paper
Submitted
18 Nov 2014
Accepted
12 Jan 2015
First published
14 Jan 2015

J. Mater. Chem. C, 2015,3, 2624-2631

New AIEgens containing tetraphenylethene and silole moieties: tunable intramolecular conjugation, aggregation-induced emission characteristics and good device performance

J. Yang, N. Sun, J. Huang, Q. Li, Q. Peng, X. Tang, Y. Dong, D. Ma and Z. Li, J. Mater. Chem. C, 2015, 3, 2624 DOI: 10.1039/C4TC02631D

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