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Binaphthyl-Containing Green- and Red-Emitting Molecules for Solution-Processable Organic Light-Emitting Diodes by Yi Zhou; Qingguo He; Yi Yang; Haizheng Zhong; Chang He; Guangyi Sang; Wei Liu; Chunhe Yang; Fenglian Bai; Yongfang Li is a Engineering article available to read on EtoBox.
What is Binaphthyl-Containing Green- and Red-Emitting Molecules for Solution-Processable Organic Light-Emitting Diodes about?
## Abstract Strong intermolecular interactions usually result in decreases in solubility and fluorescence efficiency of organic molecules. Therefore, amorphous materials are highly pursued when designing solution‐processable, electroluminescent organic molecules. In this paper, a non‐planar binaphthyl moiety is presented as a way of reducing intermolecular interactions and four binaphthyl‐containing molecules (**BNCM**s): green‐emitting **BBB** and **TBT** as well as red‐emitting **BTBTB** and **TBBBT**, are designed and synthesized. The photophysical and electrochemical properties of the molecules are systematically investigated and it is found that **TBT**, **TBBBT**, and **BTBTB** solutions show high photoluminescence (PL) quantum efficiencies of 0.41, 0.54, and 0.48, respectively. Based on the good solubility and amorphous film‐forming ability of the synthesized **BNCM**s, double‐layer structured organic light‐emitting diodes (OLEDs) with **BNCM**s as emitting layer and poly(N‐vinylcarbazole) (PVK) or a blend of poly[__N__,__N__′‐bis(4‐butylphenyl)‐__N__,__N__′‐bis(phenyl)benzidine] and PVK as hole‐transporting layer are fabricated by a simple solution spin‐coating procedure. A
Who reads Binaphthyl-Containing Green- and Red-Emitting Molecules for Solution-Processable Organic Light-Emitting Diodes?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Yi Zhou; Qingguo He; Yi Yang; Haizheng Zhong; Chang He; Guangyi Sang; Wei Liu; Chunhe Yang; Fenglian Bai; Yongfang Li
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1616-301X)
- Published
- 2008
- Language
- EN
- Field
- Engineering (Physical Sciences)