KNN/PDMS/C-based lead-free piezoelectric composite film for flexible nanogenerator

被引：35
作者：
Xia, Mengjie [1 ]
Luo, Cuixian [1 ]
Su, Xiaoxiao [1 ]
Li, Yinhui [1 ]
Li, Pengwei [1 ]
Hu, Jie [1 ]
Li, Gang [1 ]
Jiang, Huabei [2 ]
Zhang, Wendong [1 ]
机构：
[1] Taiyuan Univ Technol, Coll Informat & Comp, Micronano Syst Res Ctr, Taiyuan 030024, Shanxi, Peoples R China
[2] Univ S Florida, Coll Engn, Dept Med Engn, Biomed Opt Lab, Tampa, FL 33620 USA
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2019年 / 30卷 / 08期
关键词：
NANOCOMPOSITE GENERATOR; POWER-GENERATION; ENERGY HARVESTER; BEHAVIOR; BATIO3; PERFORMANCE;
D O I：
10.1007/s10854-019-01070-0
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel approach to fabricate a high performance flexible piezoelectric nanogenerator (PNG) by employing K0.5Na0.5NbO3 (KNN)/PDMS/C composite thin film has been proposed. The formed 12wt% C doping KNN/PDMS PNG demonstrates a higher relative permittivity (?(r), 173.56) and larger remanent polarization (P-r, 1.84 mu C/cm(2)) than pure KNN/PDMS film, thus serving as the possible origins of their comparative piezoelectric activities, which could generate an maximum output voltage of 10.55V (3.3 times as much as the PNG without C doping). Besides, the PNG is able to light up a commercial green light-emitting diode (LED) through an energy storage capacitor (47 mu F), showing its great potential as power of wearable and mobile devices.
引用
收藏
页码：7558 / 7566
页数：9
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