Supramolecular ionic polymer/carbon nanotube composite hydrogels with enhanced electromechanical performance

The results suggested that the supramolecular ion assembly between β-CD and Fc would be beneficial to the mechanical properties of the hydrogels

Yun-Fei Zhang; Fei-Peng Du; Ling Chen; Ka-Wai Yeung; Yuqing Dong; Wing-Cheung Law; Gary Chi-Pong Tsui; Chak-Yin Tang

2020

Scholarcy highlights

  • Hydrogels with smart functionalities, such as self-healing and stimuli-responsive properties, have drawn wide research attention in a variety of applications, including therapeutics, robotics, and sensors
  • The single-walled carbon nanotubes are covalently attached to the polymer backbones
  • Novel electro-responsive supramolecular ionic polymercarbon nanotube hydrogels based on SSNa, β-CD-AAM, Fc-AAM, and SWCNTs with enhanced electromechanical performance have been synthesized
  • In NaCl aqueous solutions, the SIPC hydrogels have shown a reversible bending motion and the direction can be controlled by the electric field
  • A faster electromechanical response can be achieved by increasing the SWCNT content
  • Due to the enhanced mechanical properties and faster response time of the SIPC, we believe that the developed materials possess high potential for application in the design and prototyping of smart micro-actuation systems

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