NDLI: Electrochemical actuator from conductive electroactive polymer polypyrrole deposited on gold

Content Provider	Semantic Scholar
Author	Sutar, Dayanand S. Aswal, Dinesh Kumar Gupta, Shailendra K. Yakhmi, Jatinder V.
Copyright Year	2007
Abstract	Electrochemical bilayer actuators were fabricated from conductive electroactive polymer polypyrrole deposited by electrochemical polymerization. Films of polypyrrole doped with dodecylbenzene sulphonate (PPy-DBS) and with gold coating on one side were prepared by galvanostatic electrochemical polymerization of pyrrole. Polystyrene sheet (used for over-head-projector) with thermally deposited gold film, was used as working electrode. The strong interaction of pyrrole with gold was made use of to get a freestanding polypyrrole film with gold coating on one side (PPy-DBS/Au). Bilayer actuators, were fabricated from these freestanding films and tested in 1 M LiClO 4 solution. The actuator showed bending of up to 90° on both sides on electrochemical reduction/oxidation under an applied potential of 2-3 V. The applied voltage determined the response time, which was 2 to 3 s. The actuator action was also observed with low frequency ac signal.
Starting Page	354
Ending Page	357
Page Count	4
File Format	PDF HTM / HTML
Volume Number	45
Alternate Webpage(s)	http://nopr.niscair.res.in/bitstream/123456789/2325/1/IJPAP%2045(4)%20354-357.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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