Gallium Nitride Nanowire Based Nanogenerators and Light-Emitting Diodes

被引：148

作者：

Chen, Chih-Yen ^{[1
,2
]}

Zhu, Guang ^{[2
]}

Hu, Youfan ^{[2
]}

Yu, Jeng-Wei ^{[3
,4
]}

Song, Jinghui ^{[2
,5
]}

Cheng, Kai-Yuan ^{[1
]}

Peng, Lung-Han ^{[3
,4
]}

Chou, Li-Jen ^{[1
]}

Wang, Zhong Lin ^{[2
,6
]}

机构：

[1] Natl Tsing Hua Univ, Dept Mat Sci & Engn, Hsinchu, Taiwan

[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[3] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan

[4] Natl Taiwan Univ, Inst Photon & Optoelect Engn, Taipei 10764, Taiwan

[5] Univ Alabama, Dept Met & Mat Engn, Tuscaloosa, AL 35487 USA

[6] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing, Peoples R China

来源：

ACS NANO | 2012年 / 6卷 / 06期

关键词：

GaN nanowires; LED; piezoelectric; nanogenerator; self-powered system; SILICON NANOWIRES; LUMINESCENCE;

D O I：

10.1021/nn301814w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Single-crystal n-type GaN nanowires have been grown epitaxially on a Mg-doped p-type GaN substrate. Piezoelectric nanognerators based on GaN nanowires are investigated by conductive AFM, and the results showed an output power density of nearly 12.5 mW/m(2). Luminous LED modules based on n-GaN nanowires/p-GaN substrate have been fabricated. CCD images of the lighted LED and the corresponding electroluminescence spectra are recorded at a forward bias. Moreover, the GaN nanowire LED can be lighted up by the power provided by a ZnO nanowire based nanogenerator, demonstrating a self-powered LED using wurtzite-structured nanomaterials.

引用

页码：5687 / 5692

页数：6

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