Single-Walled Carbon Nanotube-Polymer Composite Thin Film for Flow Sensor Application

被引：0
|
作者：
Cao, Hui [1 ,2 ]
Lv, Qiang [1 ,2 ]
Yan, Han [2 ,3 ]
Song, Xiaohui [5 ]
Luo, Xiaobin [2 ,4 ]
Gan, Zhiyin [1 ,2 ]
Liu, Sheng [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, Wuhan 430074, Peoples R China
[2] WuHan Natl Lab Optoelect, Inst Microsyst, Wuhan, Peoples R China
[3] Huazhong Univ Sci & Technol, Dept Elect Sci & Technol, Wuhan 430074, Peoples R China
[4] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Peoples R China
[5] Shanghai Jiao Tong Univ, Res Inst Micro Nano Sci & Technol, Shanghai 200030, Peoples R China
来源：
SENSORS AND MATERIALS | 2009年 / 21卷 / 06期
基金：
中国博士后科学基金;
关键词：
carbon nanotube; composite thin film; flow sensor; FABRICATION; GROWTH;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report a fabrication method for a composite thin-film flow sensor including a single-walled carbon nonotube (SWCNT) network and polydimethylsiloxane (PDMS), which is immersed in deionized water and NaCl solution. The morphology of SWCNTs oil the surface of the composite thin film is characterized by scanning electron microscopy. The induced voltage generated along the direction of the flowing liquid depends significantly on the liquid concentration and flow velocity. Since the SWCNTs are coated with polymer chains and fixed into the PDMS matrix, the I-V curves of the composite thin film are completely coincident before and after several flow velocity measurements, and the repeated flow-induced voltage experiment shows that the composite thin film has a reliable electrical characteristic and a wide potential of device application.
引用
收藏
页码：307 / 314
页数：8
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