Self-Powered Triboelectric Micro Liquid/Gas Flow Sensor for Microfluidics

被引：157
作者：
Chen, Jie [1 ]
Guo, Hengyu [1 ,2 ]
Zheng, Jiangeng [1 ]
Huang, Yingzhou [1 ]
Liu, Guanlin [1 ]
Hu, Chenguo [1 ]
Wang, Zhong Lin [2 ]
机构：
[1] Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R China
[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA
来源：
ACS NANO | 2016年 / 10卷 / 08期
关键词：
microfluidic sensor; triboelectric; self-powered system; AIR-FLOW; SURFACE-TENSION; ACTIVE SENSORS; NANOGENERATOR; ENERGY; GENERATOR; PERFORMANCE; SYSTEMS; CHARGE;
D O I：
10.1021/acsnano.6b04440
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Liquid and gas flow sensors are important components of the micro total analysis systems (ETAS) for modern analytical sciences. In this paper, we proposed a self powered triboelectric microfluidic sensor (TMS) by utilizing the signals produced from the droplet/bubble via the capillary and the triboelectrification effects on the liquid/ solid interface for real-time liquid and gas flow detection. By alternating capillary with different diameters, the sensor's detecting range and sensitivity can be adjusted. Both the relationship between the droplet/bubble and capillary size, and the output signal of the sensor are systematically studied. By demonstrating the monitoring of the transfusion process for a patient and the gas flow produced from an injector, it shows that TMS has a great potential in building a self powered micro total analysis system.
引用
收藏
页码：8104 / 8112
页数：9
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