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Issue 33, 2012
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Highly luminescent π-conjugated dithienometalloles: photophysical properties and their application in organic light-emitting diodes

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Abstract

We have disclosed the photophysical and electroluminescent properties of a series of hetero-annulated π-conjugated dithieno[3,2-b:2′,3′-d]metallole derivatives incorporating Ge, Si, P, and S atoms as a bridging center. The influence of the hetero-annulated structures on their photophysical properties has been investigated systematically by UV/vis and photoluminescence (PL) spectroscopy, transient PL measurements, and DFT calculations. All these compounds show bright fluorescence with high quantum yields both in solutions and in doped thin films with a host matrix. Furthermore, the OLEDs employing the dithienometallole emitters exhibit high external quantum efficiencies of ∼6% at a practical brightness.

Graphical abstract: Highly luminescent π-conjugated dithienometalloles: photophysical properties and their application in organic light-emitting diodes

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Publication details

The article was received on 01 Jun 2012, accepted on 05 Jul 2012 and first published on 06 Jul 2012


Article type: Paper
DOI: 10.1039/C2JM33526C
Citation: J. Mater. Chem., 2012,22, 16810-16816
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    Highly luminescent π-conjugated dithienometalloles: photophysical properties and their application in organic light-emitting diodes

    R. Kondo, T. Yasuda, Y. S. Yang, J. Y. Kim and C. Adachi, J. Mater. Chem., 2012, 22, 16810
    DOI: 10.1039/C2JM33526C

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