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Issue 27, 2013
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Highly efficient thermally activated fluorescence of a new rigid Cu(I) complex [Cu(dmp)(phanephos)]+

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Abstract

The rigid [Cu(dmp)(phanephos)]+ complex displays a high luminescence quantum yield of 80% at ambient temperature. In contrast to the long-lived phosphorescence of 240 μs at T < 120 K with a radiative rate of kr = 3 × 103 s−1, the ambient-temperature emission represents a thermally activated delayed fluorescence (DF) with a decay time of only 14 μs and a radiative rate of kr(DF) = 6 × 104 s−1. Evidence for the involvement of the excited singlet state in the emission process is presented. This material has high potential to be applied in efficient OLEDs taking advantage of the singlet harvesting mechanism.

Graphical abstract: Highly efficient thermally activated fluorescence of a new rigid Cu(i) complex [Cu(dmp)(phanephos)]+

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Publication details

The article was received on 16 Apr 2013, accepted on 13 May 2013 and first published on 14 May 2013


Article type: Communication
DOI: 10.1039/C3DT51006A
Citation: Dalton Trans., 2013,42, 9826-9830
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    Highly efficient thermally activated fluorescence of a new rigid Cu(I) complex [Cu(dmp)(phanephos)]+

    R. Czerwieniec, K. Kowalski and H. Yersin, Dalton Trans., 2013, 42, 9826
    DOI: 10.1039/C3DT51006A

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