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Numerical analysis on the effects of bandgap energy and polarization of electron blocking layer in near-ultraviolet light-emitting diodes
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10.1063/1.3679180
/content/aip/journal/apl/100/4/10.1063/1.3679180
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679180
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Output power of the NUV LEDs as a function of polarization and bandgap energy of AlGaN EBL at 100 mA. The red open-circle indicates the polarization and output power for each specific bandgap of the EBL.

Image of FIG. 2.
FIG. 2.

(Color online) Schematic diagrams of the EBLs of original structure, LED A, and LED B.

Image of FIG. 3.
FIG. 3.

(Color online) Energy band diagrams near the EBLs of (a) original structure, (b) LED A, and (c) LED B at 100 mA. The shaded areas represent the positions of QWs and EBL, respectively.

Image of FIG. 4.
FIG. 4.

(Color online) Electron current density near the EBLs of the three LEDs at 100 mA.

Image of FIG. 5.
FIG. 5.

(Color online) (a) Electron and (b) hole concentrations within the active region of the three LEDs at 100 mA. The horizontal positions of LEDs A and B have been appropriately adjusted for easy comparison.

Image of FIG. 6.
FIG. 6.

(Color online) (a) L-I and (b) I-V characteristics of the three LEDs.

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/content/aip/journal/apl/100/4/10.1063/1.3679180
2012-01-27
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Numerical analysis on the effects of bandgap energy and polarization of electron blocking layer in near-ultraviolet light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/4/10.1063/1.3679180
10.1063/1.3679180
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