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Coaxing Solid-State Phosphorescence from Tellurophenes

Authors

  • Dr. Gang He,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • William Torres Delgado,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Devon J. Schatz,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Dr. Christian Merten,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Arash Mohammadpour,

    1. Dept. of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4 (Canada)
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  • Lorenz Mayr,

    1. Dept. of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4 (Canada)
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  • Michael J. Ferguson,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Robert McDonald,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Prof. Dr. Alex Brown,

    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
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  • Prof. Dr. Karthik Shankar,

    Corresponding author
    1. Dept. of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4 (Canada)
    • Karthik Shankar, Dept. of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4 (Canada)===

      Eric Rivard, Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)===

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  • Prof. Dr. Eric Rivard

    Corresponding author
    1. Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)
    • Karthik Shankar, Dept. of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, T6G 2V4 (Canada)===

      Eric Rivard, Dept. of Chemistry, University of Alberta, 11227 Saskatchewan Dr., Edmonton, Alberta, T6G 2G2 (Canada)===

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  • This work was supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada, the Canada Foundation for Innovation, Alberta Innovates-Technologies Futures (New Faculty Award to E.R. and scholarship to A.M.), and the Canada School for Energy and the Environment. C.M. acknowledges the Alexander von Humboldt foundation for a Feodor Lynen Postdoctoral fellowship. We also gratefully acknowledge access to the computing facilities provided by the Western Canada Research Grid (Westgrid) and Compute/Calcul Canada. We also thank Prof. Al Meldrum for useful discussions and Zhenyu Yang for SEM measurements.

Abstract

The synthesis of the first examples of tellurophenes exhibiting phosphorescence in the solid state and under ambient conditions (room temperature and in air) is reported. Each of these main-group-element-based emitters feature pinacolboronates (BPin) as ring-appended side groups. The nature of the luminescence observed was also investigated using computational methods.

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