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Issue 49, 2012
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Dicyanomethylene-4H-pyran chromophores for OLED emitters, logic gates and optical chemosensors

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Abstract

Dicyanomethylene-4H-pyran (DCM) chromophores are typical donor–π–acceptor (D–π–A) type chromophores with a broad absorption band resulting from an ultra-fast internal charge-transfer (ICT) process. In 1989, Tang et al. firstly introduced a DCM derivative as a highly fluorescent dopant in organic electroluminescent diodes (OLEDs). Integration of ICT chromophore–receptor systems based on DCM chromophores with ion-induced shifts in absorption or emission is a convenient method to perform the logic expression for molecular logic gates. In recent years, various DCM-type derivatives have been explored due to their excellent optical-electronic properties and diverse structural modification. This feature article provides an insight into how the structural modification of DCM chromophores can be utilized for OLED emitters, logic gates and optical chemosensors. In addition, the aggregation-induced-emission (AIE) of DCM derivatives for further optical applications was also introduced.

Graphical abstract: Dicyanomethylene-4H-pyran chromophores for OLED emitters, logic gates and optical chemosensors

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Publication details

The article was received on 02 Mar 2012, accepted on 12 Apr 2012 and first published on 12 Apr 2012


Article type: Feature Article
DOI: 10.1039/C2CC31581E
Citation: Chem. Commun., 2012,48, 6073-6084
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    Dicyanomethylene-4H-pyran chromophores for OLED emitters, logic gates and optical chemosensors

    Z. Guo, W. Zhu and H. Tian, Chem. Commun., 2012, 48, 6073
    DOI: 10.1039/C2CC31581E

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