A donor-acceptor 10-cycloparaphenylene and its use as an emitter in an organic light-emitting diode
Abstract
Here, we explored the possibility of using cycloparaphenylenes (CPP) within a donor–acceptor TADF emitter design. 4PXZPh-[10]CPP contains four electron-donating moieties connected to a [10]CPP. In the 15 wt % doped in CzSi film, 4PXZPh-[10]CPP showed sky-blue emission with λPL = 475 nm, ΦPL = 29%, and triexponential emission decays with τPL of 4.4, 46.3, and 907.8 ns. Solution-processed OLEDs using 4PXZPh-[10]CPP exhibited sky-blue emission with an λEL of 465 nm and an EQEmax of 1.0%.
Citation
Chen , D , Wada , Y , Kusakabe , Y , Kayahara , E , Sun , L , Suzuki , K , Tanaka , H , Yamago , S , Kaji , H & Zysman-Colman , E 2023 , ' A donor-acceptor 10-cycloparaphenylene and its use as an emitter in an organic light-emitting diode ' , Organic Letters , vol. Articles ASAP . https://doi.org/10.26434/chemrxiv-2022-41pf6 , https://doi.org/10.1021/acs.orglett.3c00127
Publication
Organic Letters
Status
Peer reviewed
ISSN
1523-7060Type
Journal article
Rights
Copyright © 2023 The Authors. Published by American Chemical Society. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the final published version of the work, which was originally published at https://doi.org/10.1021/acs.orglett.3c00127.
Description
We thank JSPS Core-to-Core Program and International Joint Usage/Research Program of Institute for Chemical Research, Kyoto University (grant #2020-37 and 2021-37) for financial support. The St Andrews team would also like to thank EPSRC (EP/P010482/1) for financial support. D.C. thanks the China Scholarship Council (No. 201603780001). The Kyoto team would like to thank JSPS KAKENHI Grant Numbers JP20H05840 (Grant-in-Aid for Transformative Research Areas, “Dynamic Exciton”).Collections
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