The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Electroluminescence and Photophysical Properties of Polyquinolines
Abstract
The electroluminescence and photophysical properties of a series of 11 polyquinolines were investigated and used to explore the effects of molecular and supramolecular structures on the light-emitting properties of polymers. Thin films of the polyquinolines have photoluminescence quantum yields between 2 and 30% and unusually long excited-state lifetimes of 2.4−5.2 ns. Electroluminescence colors spanning blue, green, yellow, orange, and red were obtained through regulation of the molecular and supramolecular structures of the excimer- and aggregate-forming polyquinolines. ITO/hole transport layer/polyquinoline/Al light-emitting diodes fabricated and evaluated in air had electroluminescence quantum efficiencies between 0.02 and 1% and luminance levels of up to 280 cd/m 2 at a current density of 100 mA/cm 2 . The electroluminescence efficiency approximately scaled linearly with the photoluminescence quantum yield. Favorable reaction at the aluminum/polyquinoline interface is proposed to account for the efficient electron injection and device performance in spite of the large (1.5−1.9 eV) energetic barrier to electron injection. These results provide new insights into the design of efficient light-emitting polymer materials and devices for optoelectronic applications.
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Cites
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Synthesis of Light-Emitting Conjugated Polymers for Applications in Electroluminescent Devices
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Electron Transport Materials for Organic Light-Emitting Diodes
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Metadata
- Authors
- Zhang, X., Shetty, A. S., & Jenekhe, S. A.
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-10-14
- Volume
- 32
- Issue
- 22
- Pages
- 7422-7429
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W2044271076
- Cited by
- 260
- References
- 16
- FWCI
- 11.12
- Type
- journal article
- Language
- en
- Open access
- closed
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