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Light Extraction Efficiency Enhancement of GaN Blue LED by Liquid-Phase-Deposited ZnO Rods

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3 Author(s)
Ming-Kwei Lee ; Nat. Sun Yat-sen Univ., Kaohsiung ; Chen-Lin Ho ; Po-Chun Chen

We investigate the light extraction efficiency of a GaN light-emitting diode (LED) by using liquid-phase-deposited ZnO rods at near-room temperature. Zinc nitrate and hexamethylenetetramine were used as the deposition precursors. Compared with the conventional GaN LED, the optical power output of the GaN LED with crystalline ZnO rods on its surface has about 1.6 times enhancement.

Published in:

Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 4 )

Date of Publication:

Feb.15, 2008

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