Nanoscale ZnO Window Layer Textured 650nm Resonant Cavity Light Emitting Diode

Ling Yun Ma; Jian Jun Li; Jia Chun Li; Pei Sun; Jun Deng; Jun Han; Yan Hui Xing

doi:10.4028/www.scientific.net/KEM.538.320

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Ge-Chalcogenide Glasses – Properties and Application as Optical Material
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Nanoscale ZnO Window Layer Textured 650nm Resonant Cavity Light Emitting Diode
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Fabrication and Characterization of p-CuI/n-Si Heterojunction Diode
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Transmission Spectrum of Two-Dimensional Self-Assembled SiO₂ Photonic Crystals
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Antireflection and Scattering Properties of Two-Dimensional Hexagonal AZO Gratings on Glass Substrates
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 538Nanoscale ZnO Window Layer Textured 650nm Resonant...

Nanoscale ZnO Window Layer Textured 650nm Resonant Cavity Light Emitting Diode

Abstract:

We propose a simple technique to improve the light extraction efficiency of 650nm AlGaInP/GaInP resonant cavity light emitting diodes (RCLEDs) by using nanoscale textured-ZnO window layer. This layer was performed using a hydrothermal synthesis method, and the treatment solution for ZnO texturing growth on the RCLED surface was investigated. In addition, it has also been found that the optimum roughness of the nanoscale ZnO texturing for enhancing the light efficiency is about 300nm. As compared with the conventional RCLED, the nanoscale ZnO-textured RCLED, which has the optimum average roughness of 300nm, performs higher external quantum efficiency, a higher light output power, and a narrower spectrum width.

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Periodical:

Key Engineering Materials (Volume 538)

Pages:

320-323

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.538.320

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Online since:

January 2013

Authors:

Ling Yun Ma, Jian Jun Li, Jia Chun Li, Pei Sun, Jun Deng, Jun Han, Yan Hui Xing

Keywords:

Light Emitting Diode (LED), Resonant Cavity, Rothermal Synthesis Method, Surface Roughening, Zinc Oxide (ZnO)

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