Abstract
In this work, seven copolymers possessing thienothiophene and mesitylboron units were prepared. Incorporation of triphenylamine (TPA) and tetraphenylethene (TPE) into TT unit was probed to enhance their light-emitting efficiencies. Density functional theory investigations of the model compounds revealed the presence of an intramolecular charge transfer transition between the donor TT units and the boron acceptor atom. Among the seven TT–boron copolymers, four of them were used for the fabrication of polymer light emitting diodes (PLEDs) and two of the devices exhibited pure white color according to the CIE. Although the efficiencies of the devices are low, as this study is the first example of thienothiophene − boron copolymers emitting white color, they are promising examples for future studies.
| Original language | English |
|---|---|
| Pages (from-to) | 2889-2894 |
| Number of pages | 6 |
| Journal | ChemistrySelect |
| Volume | 2 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 3 Apr 2017 |
Bibliographical note
Publisher Copyright:© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Funding
We thank The Scientific and Technological Research Council of Turkey (TUBITAK) for supporting this work (111T075 and 114Z202), Istanbul Technical University, Turkey, for grants to Onur Sahin (PhD), Sebahat Topal (MS) and Garen Suna (MS). M. Emin Cinar is grateful to TUBITAK for Postdoctoral Research Fellowships BIDEB 2216 program. We are indebted to National Center for High Performance Computing (UYBHM) (tvddvb) and the High-Performance-Computing (HPC) Linux Cluster HorUS of University of Siegen for the computer time provided. Unsped Global Logistic is gratefully acknowledged for financial support.
| Funders | Funder number |
|---|---|
| Istanbul Technical University | |
| Scientific and Technological Research Council of Turkey | |
| TUBITAK | 111T075, 114Z202 |
Keywords
- Boron
- DFT
- OLED
- Thienohiophene
- UV-Vis