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Interface effects on the external quantum efficiency of organic bulk heterojunction photodetectors
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10.1063/1.2809410
/content/aip/journal/apl/91/19/10.1063/1.2809410
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/19/10.1063/1.2809410
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Comparison of the illuminated current density (main) and photocurrent density (inset) vs applied voltage characteristics of the organic bulk heterojunction photodiodes using AM1.5 direct solar simulator with intensity.

Image of FIG. 2.
FIG. 2.

Comparison of the external quantum efficiency of the two devices as a function of the applied voltage. Inset: Linear dependence of the photocurrent at on the laser intensity. The slope gives the device responsivity ( for device 1 and for device 2).

Image of FIG. 3.
FIG. 3.

Calculation of the optical field distribution (open circles) and time-averaged absorbed power (close circles) as a function of position in the two devices.

Image of FIG. 4.
FIG. 4.

Comparison of the calculated exciton creation efficiency as a function of active layer thickness (dashed and solid lines) and the measured external quantum efficiency at bias (open and closed circles).

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/content/aip/journal/apl/91/19/10.1063/1.2809410
2007-11-09
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Interface effects on the external quantum efficiency of organic bulk heterojunction photodetectors
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/19/10.1063/1.2809410
10.1063/1.2809410
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