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Enhanced light emission from phosphorescent single-layered organic light-emitting devices doped with ionic salt by simultaneous thermal and electrical annealing
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10.1063/1.2786030
/content/aip/journal/jap/102/7/10.1063/1.2786030
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/7/10.1063/1.2786030
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Chemical structure of used materials and schematic structure showing the fabrication of the device with electrical and thermal treatments.

Image of FIG. 2.
FIG. 2.

Current flows of sample (upper) and reference (lower) devices with organic salt during electrical and thermal treatments for given temperatures. The inset shows the voltage profile applied to the device for the electrical treatment.

Image of FIG. 3.
FIG. 3.

(Color online) (a) Photographs of the operating reference device (left) and sample device (right). The active area of each PHOLED is . (b) The normalized EL spectra for the operating sample device (open circles) and reference device (closed circles).

Image of FIG. 4.
FIG. 4.

Characteristics of (a) and (b) for the single-layered PHOLEDs with various concentrations of .

Image of FIG. 5.
FIG. 5.

(a) Current efficiency vs luminance and (b) external quantum efficiency vs current density of the single-layered sample devices (open symbols) with various concentrations of and reference device (closed square).

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/content/aip/journal/jap/102/7/10.1063/1.2786030
2007-10-02
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced light emission from phosphorescent single-layered organic light-emitting devices doped with ionic salt by simultaneous thermal and electrical annealing
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/7/10.1063/1.2786030
10.1063/1.2786030
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