Sulfonated Copper Phthalocyanine/Sulfonated Polysulfone Composite Membrane for Ionic Polymer Actuators with High Power Density and Fast Response Time

Taehoon Kwon, Hyeongrae Cho, Jang Woo Lee, Dirk Henkensmeier, Youngjong Kang, Chong Min Koo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Ionic polymer composite membranes based on sulfonated poly(arylene ether sulfone) (SPAES) and copper(II) phthalocyanine tetrasulfonic acid (CuPCSA) are assembled into bending ionic polymer actuators. CuPCSA is an organic filler with very high sulfonation degree (IEC = 4.5 mmol H+/g) that can be homogeneously dispersed on the molecular scale into the SPAES membrane, probably due to its good dispersibility in SPAES-containing solutions. SPAES/CuPCSA actuators exhibit larger ion conductivity (102 mS cm-1), tensile modulus (208 MPa), strength (101 MPa), and strain (1.21%), exceptionally faster response to electrical stimuli, and larger mechanical power density (3028 W m-3) than ever reported for ion-conducting polymer actuators. This outstanding actuation performance of SPAES/CuPCSA composite membrane actuators makes them attractive for next-generation transducers with high power density, which are currently developed, e.g., for underwater propulsion and endoscopic surgery.

Original languageEnglish
Pages (from-to)29063-29070
Number of pages8
JournalACS Applied Materials and Interfaces
Volume9
Issue number34
DOIs
Publication statusPublished - 2017 Aug 30

Fingerprint

Sulfones
Polysulfones
Composite membranes
Ether
Ethers
Polymers
Actuators
Copper
Sulfonation
Conducting polymers
Heavy ions
Surgery
Propulsion
Fillers
Transducers
Elastic moduli
polysulfone P 1700
copper phthalocyanine
Ions
Membranes

Keywords

  • ionic polymer actuator
  • mechanical power density
  • organic composite
  • polymer electrolyte
  • response rate
  • sulfonated copper phthalocyanine

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Sulfonated Copper Phthalocyanine/Sulfonated Polysulfone Composite Membrane for Ionic Polymer Actuators with High Power Density and Fast Response Time. / Kwon, Taehoon; Cho, Hyeongrae; Lee, Jang Woo; Henkensmeier, Dirk; Kang, Youngjong; Koo, Chong Min.

In: ACS Applied Materials and Interfaces, Vol. 9, No. 34, 30.08.2017, p. 29063-29070.

Research output: Contribution to journalArticle

Kwon, Taehoon ; Cho, Hyeongrae ; Lee, Jang Woo ; Henkensmeier, Dirk ; Kang, Youngjong ; Koo, Chong Min. / Sulfonated Copper Phthalocyanine/Sulfonated Polysulfone Composite Membrane for Ionic Polymer Actuators with High Power Density and Fast Response Time. In: ACS Applied Materials and Interfaces. 2017 ; Vol. 9, No. 34. pp. 29063-29070.
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