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Issue 48, 2017
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A red thermally activated delayed fluorescence material as a triplet sensitizer for triplet–triplet annihilation up-conversion with high efficiency and low energy loss

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Abstract

Taking advantage of the active and low-lying triplet state, a red thermally activated delayed fluorecence (TADF) molecule has been employed as a sensitizer to realize green-to-blue up-conversion (UC) emission with a large anti-Stokes shift of 97 nm and high ΦUC′ of 1.9%. Noteworthily, the UC emission is obviously observed even in air, which provided an opportunity for biological imaging and energy applications of triplet–triplet annihilation up-conversion (TTA-UC) materials in oxygenic environments.

Graphical abstract: A red thermally activated delayed fluorescence material as a triplet sensitizer for triplet–triplet annihilation up-conversion with high efficiency and low energy loss

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Publication details

The article was received on 07 Sep 2017, accepted on 28 Nov 2017 and first published on 28 Nov 2017


Article type: Communication
DOI: 10.1039/C7TC04096B
Citation: J. Mater. Chem. C, 2017,5, 12674-12677
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    A red thermally activated delayed fluorescence material as a triplet sensitizer for triplet–triplet annihilation up-conversion with high efficiency and low energy loss

    D. Wei, F. Ni, Z. Zhu, Y. Zou and C. Yang, J. Mater. Chem. C, 2017, 5, 12674
    DOI: 10.1039/C7TC04096B

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