Self-Powered Triboelectric Nanosensor for Microfluidics and Cavity-Confined Solution Chemistry

被引：109

作者：

Li, Xiuhan ^{[1
,2
]}

Yeh, Min-Hsin ^{[1
]}

Lin, Zong-Hong ^{[1
,3
]}

Guo, Hengyu ^{[1
]}

Yang, Po-Kang ^{[1
]}

Wang, Jie ^{[1
]}

Wang, Sihong ^{[1
]}

Yu, Ruomeng ^{[1
]}

Zhang, Tiejun ^{[1
]}

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

机构：

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

[2] Beijing Jiaotong Univ, Sch Elect & Informat Engn, Beijing 100044, Peoples R China

[3] Natl Tsing Hua Univ, Inst Biomed Engn, Hsinchu 30013, Taiwan

[4] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100083, Peoples R China

来源：

ACS NANO | 2015年 / 9卷 / 11期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

Au nanoparticles; micro total analysis system; microfluidics; self-powered sensor; triboelectric effect; CONTACT-ELECTRIFICATION; ENERGY; FLOW; NANOGENERATORS; SYSTEMS; FUTURE; SENSOR;

D O I：

10.1021/acsnano.5b04486

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Micro total analysis system (mu TAS) is one of the important tools for modern analytical sciences. In this paper, we not only propose the concept of integrating the self-powered triboelectric microfluidic nanosensor (TMN) with mu TAS, but also demonstrate that the developed system can be used as an in situ tool to quantify the flowing liquid for microfluidics and solution chemistry. The TMN automatically generates electric outputs when the fluid passing through it and the outputs are affected by the solution temperature, polarity, ionic concentration, and fluid flow velocity. The self-powered TMN can detect the flowing water velocity, position, reaction temperature, ethanol, and salt concentrations. We also integrate the TMNs in a mu TAS platform to directly characterize the synthesis of Au nanoparticles by a chemical reduction method.

引用

页码：11056 / 11063

页数：8

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