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Single-layer organic light-emitting diodes using naphthyl diamine
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10.1063/1.2740110
/content/aip/journal/apl/90/21/10.1063/1.2740110
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2740110

Figures

Image of FIG. 1.
FIG. 1.

(a) Chemical structures of NPB, PEDOT:PSS, and perylene. (b) An energy diagram of the undoped and perylene-doped NPB single-layer devices. The dashed rectangle is the doping region, where the LUMO and HOMO of perylene are located at 2.3 and , respectively.

Image of FIG. 2.
FIG. 2.

Current-voltage characteristics and luminance-current characteristics of NPB devices. The filled (∎) and opened (□) symbols represent the undoped and perylene-doped devices, respectively. The solid line is the theoretical hole trap-free space charge-limited current of NPB.

Image of FIG. 3.
FIG. 3.

EL spectra of undoped NPB devices (in solid line) and perylene-doped NPB devices (in dashed line). The dotted line is the absorption spectrum of perylene.

Tables

Generic image for table
Table I.

EL performances of undoped and perylene-doped NPB single-layer devices at .

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/content/aip/journal/apl/90/21/10.1063/1.2740110
2007-05-21
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Single-layer organic light-emitting diodes using naphthyl diamine
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2740110
10.1063/1.2740110
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