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Issue 7, 2012
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Facile synthesis and optoelectronic properties of N,N-difluorenevinylaniline-based molecules

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Abstract

A series of RGB molecules (FXs) with a tuneable light-emitting core and difluorenylamino-based peripheries were synthesized through the Heck coupling reaction in good yields. The intramolecular energy transfers and antenna effects were verified in this series of compounds. Strong photoluminescence (PL) from deep blue (∼415 nm) to saturated red (∼645 nm) was observed. The FXs exhibit good solubility and stability, high fluorescence quantum efficiency (up to 93% in THF and 73% in film), short lifetime (1.3–2.6 ns), and high charge injection and transport properties, revealed by both experimental measurements and theoretical calculations. The preliminary organic light-emitting diode devices exhibit only slightly blue-shifted electroluminescence in comparison with PL without stack characters. This full-colour emitting and solution-processable D–π-X–π-D star-burst molecules are highly attractive for organic optoelectronics.

Graphical abstract: Facile synthesis and optoelectronic properties of N,N-difluorenevinylaniline-based molecules

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Publication details

The article was received on 21 Jan 2012, accepted on 18 Apr 2012 and first published on 19 Apr 2012


Article type: Paper
DOI: 10.1039/C2NJ40051K
Citation: New J. Chem., 2012,36, 1512-1518
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    Facile synthesis and optoelectronic properties of N,N-difluorenevinylaniline-based molecules

    Z. Lin, C. Zheng, J. Xiao, R. Chen, P. Zhao, J. Song, Z. An, H. Tian and W. Huang, New J. Chem., 2012, 36, 1512
    DOI: 10.1039/C2NJ40051K

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