期刊
POLYMER CHEMISTRY
卷 13, 期 29, 页码 4241-4248出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2py00511e
关键词
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资金
- Australian Research Council (ARC) [LP170100387]
- ARC Laureate Fellowship enabling his photochemical research program
- Queensland University of Technology (QUT)
- ARC Future Fellowship
- QUT's Research Portfolio (Research Infrastructure)
- Swedish Research Council [2018-05973]
- Australian Research Council [LP170100387] Funding Source: Australian Research Council
This study introduces solution-processible polymers incorporating a TADF emitter and a host species to adjust charge transport properties. The research shows that a combination of unipolar co-hosts on one polymer chain can produce the same optoelectronic properties as a polymer carrying a corresponding bipolar host molecule.
Organic Light Emitting Diodes (OLEDs) are a critical part of current consumer electronics, from mobile device displays to solid-state lighting. Thus demand for the development of industrially compatible OLED materials continues to increase. Herein, we introduce a series of solution-processible polymers incorporating a Thermally Activated Delayed Fluorescence (TADF) emitter and a host species in the side chain to finely adjust the charge transport properties. For balanced charge transport, a bipolar host polymer based on carbazole and alpha-carboline was investigated in addition to the commonly employed unipolar host mCP and an electron transporting version thereof. We demonstrate that the combination of unipolar co-hosts on one polymer chain can generate, with less synthetic effort, the same optoelectronic properties as a polymer carrying the corresponding bipolar host molecule as a pendant.
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