Authors: Lee, W.-K.¹; Song, Y.-M.²; Ha, J.-M.²; Park, H.³; Lee, I. W.³; Chun, H. H.³; Jo, N.-J.⁴

Source: Materials Research Innovations, Volume 13, Number 3, September 2009 , pp. 235-238(4)

Publisher: Maney Publishing

Abstract:

To investigate the effect of dopant size, especially that of anion size, on the actuation behaviour of polypyrrole (PPy) actuator, the authors prepared PPy actuators with three types of dopants: sodium perchlorate (NaClO₄ with small anion), para-toluene sulfonate (pTS with medium anion) and dodecyl benzene sulfonate (DBS with bulky anion). The largest displacements of 12·95, 8·36 and 9·62 mm were obtained in PPy actuators with NaClO₄, pTS and DBS respectively. This result was caused by the cation and anion size of dopant used in this study.

Keywords: ACTUATION MECHANISM; SOLID POLYMER ELECTROLYTE; CONDUCTING POLYMER ACTUATOR; DOPANT SIZE

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/143307509X440398

Affiliations: 1: Division of Chemical Engineering, Pukyong National University Yongdang dong, Nam gu, Busan 608 739, Korea 2: Department of Polymer Science and Engineering, Pusan National University San 30, Jangjeon dong, Geumjeong gu, Busan 608 735, Korea 3: Advanced Ship Engineering Research Center (ASERC), Pusan National University San 30, Jangjeon dong, Geumjeong gu, Busan 609 735, Korea 4: Department of Polymer Science and Engineering, Pusan National University San 30, Jangjeon dong, Geumjeong gu, Busan 608 735, Korea;, Email: namjujo@pusan.ac.kr

Publication date: 2009-09-01

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