Self-sensing paper actuators based on graphite-carbon nanotube hybrid films

Amjadi, M. and Sitti, M. (2018) Self-sensing paper actuators based on graphite-carbon nanotube hybrid films. Advanced Science, 5(7), 1800239. (doi: 10.1002/advs.201800239) (PMID:30027053) (PMCID:PMC6051221)

Abstract

Soft actuators have demonstrated potential in a range of applications, including soft robotics, artificial muscles, and biomimetic devices. However, the majority of current soft actuators suffer from the lack of real-time sensory feedback, prohibiting their effective sensing and multitask function. Here, a promising strategy is reported to design bilayer electrothermal actuators capable of simultaneous actuation and sensation (i.e., self-sensing actuators), merely through two input electric terminals. Decoupled electrothermal stimulation and strain sensation is achieved by the optimal combination of graphite microparticles and carbon nanotubes (CNTs) in the form of hybrid films. By finely tuning the charge transport properties of hybrid films, the signal-to-noise ratio (SNR) of self-sensing actuators is remarkably enhanced to over 66. As a result, self-sensing actuators can actively track their displacement and distinguish the touch of soft and hard objects.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Amjadi Kolour, Dr Morteza
• Authors: Amjadi, M., and Sitti, M.
• College/School: College of Science and Engineering > School of Engineering > Biomedical Engineering
• Journal Name: Advanced Science
• Publisher: Wiley
• ISSN: 2198-3844
• ISSN (Online): 2198-3844
• Published Online: 16 May 2018
• Copyright Holders: Copyright: © 2018 The Authors
• First Published: First published in Advanced Science 5(7): 1800239
• Publisher Policy: Reproduced under a Creative Commons licence