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Experimental determination of current spill-over and its effect on the efficiency droop in InGaN/GaN blue-light-emitting-diodes
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10.1063/1.3678029
/content/aip/journal/apl/100/3/10.1063/1.3678029
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/3/10.1063/1.3678029
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic diagram of the experimental setup.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Reflectance (R) and transmittance (T) of laser measured as a function of applied voltage. The absorption (A), A = 1 − (R + T), of the excitation laser is shown as a function of applied bias (b) and injection current (c).

Image of FIG. 3.
FIG. 3.

(Color online) Ratio of current spill-over as a function of injection current.

Image of FIG. 4.
FIG. 4.

(Color online) (a) External quantum efficiencies as a function of the current density of two LEDs that show distinct efficiency droop behavior and (b) measured current spill-over of the samples.

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/content/aip/journal/apl/100/3/10.1063/1.3678029
2012-01-18
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental determination of current spill-over and its effect on the efficiency droop in InGaN/GaN blue-light-emitting-diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/3/10.1063/1.3678029
10.1063/1.3678029
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