Light Extraction Efficiency Enhancement of GaN Blue LED with ZnO Nanotips Prepared by Aqueous Solution Deposition

被引:3
作者
Lee, Ming-Kwei [1 ]
Ho, Chen-Lin [1 ]
Lin, Chia-Chi [1 ]
Cheng, Nai-Roug [1 ]
Houng, Ming-Hsuan [1 ]
Chien, Yu-Kai [1 ]
Yen, Chih-Feng [1 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 80424, Taiwan
关键词
MOLECULAR-BEAM EPITAXY; EMITTING-DIODES; NANORODS; GROWTH; FABRICATION; N2O;
D O I
10.1149/1.3561274
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
We investigate the light extraction efficiency of GaN blue LED with ZnO nanotips prepared by aqueous solution deposition at near-room temperature. Zinc nitrate (Zn(NO(3))(2)) and ammonium hydroxide (NH(4)OH) were used as precursors for the growth of ZnO nanotips on GaN blue LED with sputtered ZnO as the seed layer. The quality of ZnO nanotips were much improved by thermal annealing in N(2)O ambient. The optical power output of GaN LED with ZnO nanotips shows about 1.32 times enhancement compared with that without ZnO nanotips. (C) 2011 The Electrochemical Society. [DOI: 10.1149/1.3561274] All rights reserved.
引用
收藏
页码:D286 / D289
页数:4
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