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Water-soluble polyfluorenes as an electron injecting layer in PLEDs for extremely high quantum efficiency SCIE SCOPUS
- Title
- Water-soluble polyfluorenes as an electron injecting layer in PLEDs for extremely high quantum efficiency
- Date Issued
- 2008-05-05
- Publisher
- WILEY-V C H VERLAG GMBH
- Abstract
- A cationic water-soluble polyfluorene containing ion-transporting side groups and mobile metal ions is synthesized. The material is used as an electron injection layer in polymer light-emitting diodes with high-work-function Al cathodes. The devices show high quantum efficiencies (see figure), with a maximum external quantum efficiency of 4.8%, approaching the theoretical maximum external quantum efficiency of about 5%.
- Keywords
- LIGHT-EMITTING-DIODES; ORGANIC ELECTROLUMINESCENT DEVICES; TRANSPORTING SIDE-GROUPS; ELECTROCHEMICAL-CELLS; CONJUGATED POLYMERS; CHARGE INJECTION; CATHODE; PERFORMANCE; VOLTAGE; COPOLYMERS
- ISSN
- 0935-9648
- Article Type
- Article
- Citation
- ADVANCED MATERIALS, vol. 20, no. 9, page. 1624 - 1629, 2008-05-05
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Related Researcher
- 이태우LEE, TAE WOO
- Dept of Materials Science & Enginrg