Synthesis of Ga-Doped ZnO Nanorods Using an Aqueous Solution Method for a Piezoelectric Nanogenerator

被引：20
|
作者：
Lee, Ju-Hyuck [1 ,2 ]
Lee, Keun Young [3 ]
Kumar, Brijesh [3 ]
Kim, Sang-Woo [1 ,2 ,3 ]
机构：
[1] Sungkyunkwan Univ, SKKU Adv Inst Nanotechnol SAINT, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, Ctr Human Interface Nanotechnol HINT, Suwon 440746, South Korea
[3] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2012年 / 12卷 / 04期
基金：
新加坡国家研究基金会;
关键词：
ZnO; Gallium-Doping; Nanogenerator; Current Density; ENERGY; NANOWIRES;
D O I：
10.1166/jnn.2012.5632
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Mechanical energy is a potential energy source for self-powered electronic devices. Due to their unique semiconducting and piezoelectric properties, wurtzite-structured nanomaterials have been considered as potential candidates for piezoelectric nanogenerators that convert mechanical energy into electricity. In the present work, we report on the growth of Ga-doped ZnO (GZO) nanorods and investigate the performance of nanogenerators fabricated from undoped ZnO (UZO) nanorods, low Ga-doped ZnO (LGZO) nanorods, and high Ga-doped ZnO (HGZO) nanorods. A nanogenerator integrated with LGZO nanorods exhibited a current density of 1.2 mu A/cm(2), an enhancement over the 0.4 mu A/cm(2) and 0.7 mu A/cm(2) current densities of nanogenerators integrated with UZO and HGZO nanorods, respectively.
引用
收藏
页码：3430 / 3433
页数：4
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