Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19015
Title: Polypyrrole-coated large deformation strain fabric sensor and its properties study
Authors: Cheng, XY
Tsang, HYJ
Li, Y 
Leung, MY
Tao, XM 
Cheng, XY
Xue, P
Yuen, CWM
Issue Date: 2006
Publisher: Materials Research Society
Source: Materials Research Society symposium proceedings, 2006, v. 920, p. 127-133 How to cite?
Journal: Materials Research Society symposium proceedings 
Abstract: Conductive-polymer coated fabrics have been investigated as intelligent materials in the past years. In this paper, a flexible fabric strain sensor coated with polypyrrole is reported, which is featured with high sensitivity, good stability and large deformation. It is fabricated by chemical vapor deposition at low temperature. The effects of temperature, humidity, acid and alkaline medium have been assessed. The conductivity-strain tests reveal the sensor exhibits a high strain sensitivity of -160 for a deformation as large as 50%, while its good stability is indicated by a small loss of conductivity after the thermal and humidity aging tests, and supported by the slight change in conductivity and sensitivity over a storage of eighteen months. The acid and alkaline solution mainly decreased their initial conductivity but have the slight effect to their sensitivity. The flexible fabric strain sensor is expected to be a promising "soft" smart material in the smart garment, wearable hardware and biomedical applications.
Description: 2006 Materials Research Society Spring Meeting, San Francisco, CA, 18-19 April 2006
URI: http://hdl.handle.net/10397/19015
ISSN: 0272-9172
Appears in Collections:Conference Paper

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