Lead-Free Nanogenerator Made from Single ZnSnO3 Microbelt

被引:123
作者
Wu, Jyh Ming [1 ,2 ]
Xu, Chen [1 ]
Zhang, Yan [1 ]
Wang, Zhong Lin [1 ]
机构
[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
[2] Feng Chia Univ, Dept Mat Sci & Engn, Taichung 40724, Taiwan
关键词
ZnSnO3; microbelts; lead-free; piezoelectric nanogenerator; POLAR OXIDE ZNSNO3; DIODES;
D O I
10.1021/nn300951d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We demonstrated a single-microbelt nanogenerator first made using a ZnSnO3 microbelt that generated an output power of similar to 3 nW under a compressive and releasing strain of 0.8-1%. The ZnSnO3 nanobelts/microbelts were synthesized using a vapor transfer process at 1173 K. The X-ray diffraction pattern shows that the microbelts belong to ZnSnO3 with rhombohedral structure. An individual ZnSnO3 microbelt was bonded at its ends on a flexible polystyrene substrate as a nanogenerator, which gives an output voltage and current of 100 mV and 30 nA, respectively, corresponding to an energy conversion efficiency of 4.2-6.6% (based on 0.8-1% strain). Our results show that ZnSnO3 microbelts are one of the highly promising materials for lead-free piezoelectric energy harvesting.
引用
收藏
页码:4335 / 4340
页数:6
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