Hemispherically Aggregated BaTiO3 Nanoparticle Composite Thin Film for High-Performance Flexible Piezoelectric Nanogenerator

被引：255

作者：

Shin, Sung-Ho ^{[1
]}

Kim, Young-Hwan ^{[1
]}

Lee, Min Hyung ^{[2
]}

Jung, Joo-Yun ^{[3
]}

Nah, Junghyo ^{[1
]}

机构：

[1] Chungnam Natl Univ, Dept Elect Engn, Taejon 305764, South Korea

[2] Kyung Hee Univ, Dept Appl Chem, Yongin 446701, Gyeonggi, South Korea

[3] Korea Inst Machinery & Mat, Dept Nano Mfg Technol, Taejon 305343, South Korea

来源：

ACS NANO | 2014年 / 8卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

piezoelectric nanogenerator; BaTiO3; nanoparticle; P(VDF-HFP) composite; flexible electronics; LEAD-ZIRCONATE-TITANATE; PYROELECTRIC NANOGENERATORS; NANOCOMPOSITE; SENSOR;

D O I：

10.1021/nn406481k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report high-performance flexible nanogenerators (NGs) based on a composite thin film, composed of hemispherically aggregated BaTiO3 nanoparticles (NPs) and poly(vinylidene fluoride-co-hexafluoropropene) P(VDF-HFP). The hemispherical BTO-P(VDF-HFP) clusters were realized by a solvent evaporation method, which greatly enhanced piezoelectric power generation. The flexible NGs exhibit high electrical output up to similar to 75 V and similar to 15 mu A at the applied force normal to the surface, indicating the important role of hemispherical BID clusters. Besides, the durability and reproducibility of the NGs were tested by cyclic measurement under bending stage, generating the output of similar to 5 V and similar to 750 nA. The approach we introduce here is simple, cost-effective, and well-suited for large-scale high-performance flexible NG fabrication.

引用

页码：2766 / 2773

页数：8

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