Enhanced quantum efficiency in polymer light-emitting diode with polystryrene nanolayer

We report the effect of polystyrene nanolayer on electron injection in the polymer light-emitting diodes (PLEDs) in which hole is major charge carrier. Especially, when a similar to10 nm-thick polystyrene layer was employed, the device gave two orders of magnitude higher external quantum efficiency than that of the one without an insulating nanolayer This enhancement may result from the dramatic lowering of the effective barrier height for electron injection to the emitting layer.
Publisher
TAYLOR FRANCIS LTD
Issue Date
2004-12
Language
ENG
Citation

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.424, pp.141 - 145

ISSN
1542-1406
URI
http://hdl.handle.net/10203/4471
Appears in Collection
CBE-Journal Papers(저널논문)
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