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Design of Efficient Exciplex Emitters by Decreasing the Energy Gap Between the Local Excited Triplet (³LE) State of the Acceptor and the Charge Transfer (CT) States of the Exciplex.

ABSTRACT: A series of thermally activated delayed fluorescence (TADF) exciplex based on the TX-TerPy were constructed. The electronic coupling between the triplet local excited states (³LE) of the donors and acceptor and the charge transfer states had a great influence on the triplet exciton harvesting and Φ_PL. Herein, based on this strategy, three donor molecules TAPC, TCTA, and m-MTDATA were selected. The local triplet excited state (³LE) of the three donors are 2.93, 2.72 and 2.52 eV in pure films. And the ³LE of TX-TerPy is 2.69 eV in polystyrene film. The energy gap between the singlet charge transfer (¹CT) states of TAPC:TX-TerPy (7:1), TCTA:TX-TerPy (7:1) and the ³LE of TX-TerPy are 0.30 eV and 0.20 eV. Finally, the Φ_PL

SUBMITTER: Wei X

PROVIDER: S-EPMC6465540 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Design of Efficient Exciplex Emitters by Decreasing the Energy Gap Between the Local Excited Triplet (³LE) State of the Acceptor and the Charge Transfer (CT) States of the Exciplex.

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Dataset Information

Design of Efficient Exciplex Emitters by Decreasing the Energy Gap Between the Local Excited Triplet (3LE) State of the Acceptor and the Charge Transfer (CT) States of the Exciplex.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Design of Efficient Exciplex Emitters by Decreasing the Energy Gap Between the Local Excited Triplet (³LE) State of the Acceptor and the Charge Transfer (CT) States of the Exciplex.