Nano-cluster-enhanced high-performance perfluoro-polymer electrets for energy harvesting

被引：78

作者：

Kashiwagi, Kimiaki ^{[1
]}

Okano, Kuniko ^{[1
]}

Miyajima, Tatsuya ^{[1
]}

Sera, Yoichi ^{[1
]}

Tanabe, Noriko ^{[1
]}

Morizawa, Yoshitomi ^{[1
]}

Suzuki, Yuji ^{[2
]}

机构：

[1] Asahi Glass Co Ltd, Res Ctr, Kanagawa Ku, Yokohama, Kanagawa 2218757, Japan

[2] Univ Tokyo, Dept Mech Engn, Bunkyo Ku, Tokyo 1138656, Japan

来源：

JOURNAL OF MICROMECHANICS AND MICROENGINEERING | 2011年 / 21卷 / 12期

关键词：

STABILITY; FILMS;

D O I：

10.1088/0960-1317/21/12/125016

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：

Development of high-performance electret materials is required to obtain a large power output of the electrostatic vibration-driven energy harvesters. In this study, by introducing aminosilane derivatives into CYTOP-based perfluorinated polymer film, we have successfully formed nano-clusters containing the organic siloxanes in the polymer electrets. Using small-angle x-ray scattering, tapping mode AFM and SEM analysis, the existence of such nano-clusters has been directly observed in the CYTOP film. It is suggested that the observed nano-clusters serve as the charge trap site and enhance the surface charge density and the thermal stability of the trapped charges. As a polymer electret, an extremely high surface charge potential of -1.6 kV with the 15 mu m thick film has been obtained under the optimum condition of corona charging.

引用

页数：8

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