Publication year: 2010 Source: Sensors and Actuators B: Chemical, In Press, Accepted Manuscript, Available online 21 November 2010 Qing-Yuan, Tang , Y.C., Chan , Kaili, Zhang In this study, the fast response resistive humidity sensing properties of polyimide/multiwall carbon nanotube (PI/MWNT) composite films were demonstrated. A composite film with a loading of 3 wt% MWNTs possesses a very linear response nature, a linearity correlation (R2) of 0.99157 and a sensitivity of 0.00146/%RH. The response time were less than five seconds and the resistance changed synchronously with different humidities.

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Fast response resistive humidity sensitivity of polyimide/multiwall carbon nanotube composite films

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