Ultrathin Nanogenerators as Self-Powered/Active Skin Sensors for Tracking Eye Ball Motion

被引：164

作者：

Lee, Sangmin ^{[1
]}

Hinchet, Ronan ^{[2
]}

Lee, Yean ^{[3
]}

Yang, Ya ^{[1
]}

Lin, Zong-Hong ^{[1
]}

Ardila, Gustavo ^{[2
]}

Montes, Laurent ^{[2
]}

Mouis, Mireille ^{[2
]}

Wang, Zhong Lin ^{[1
,4
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Grenoble INP Minatec, IMEP LAHC, F-38016 Grenoble, France

[3] Georgia Inst Technol, Dept Mech Engn, Atlanta, GA 30332 USA

[4] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing, Peoples R China

来源：

ADVANCED FUNCTIONAL MATERIALS | 2014年 / 24卷 / 08期

关键词：

ultrathin nanogenerators; active sensors; eye ball motion; self-powered systems; ENERGY; PROGRESS; SYSTEM;

D O I：

10.1002/adfm.201301971

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Ultrathin piezoelectric nanogenerator (NG) with a total thickness of approximate to 16 m is fabricated as an active or self-powered sensor for monitoring local deformation on a human skin. The NG was based on an anodic aluminum oxide (AAO) as an insulating layer grown on a thin Al foil by anodization, on which a thin film made of aligned ZnO nanowire compacted arrays is grown by solution chemistry. The performance of the NG is characterized with the assistance of the finite element method (FEM) simulation. The extremely thin NG is attached on the surface of an eyelid, and its output voltage/current characterizes the motion of the eye ball underneath. Since there is no external power needed for the operation of the NG, this self-powered or active sensor can be effective in monitoring sleeping behavior, brain activities, and spirit status of a person as well as any biological associated skin deformation.

引用

页码：1163 / 1168

页数：6

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