Shape-recognizable origami sheet device with single walled carbon nanotube strain sensor

Tomoki Mori, Hiroaki Onoe

Research output: Contribution to journalArticlepeer-review

Abstract

This article describes a shape-recognizable sheet device using origami structures with single-walled carbon nanotubes (SWCNTs) strain sensors. Recently, a sheet-like measurement system that is directly attached to an object has been attracting attention for obtaining the shape, motion, and deformation of the object as alternative systems with external cameras. However, previous sheet-like measurement systems are difficult to distinguish between the stretch and the bend of the object appropriately. Here we propose a sheet-like measurement system that can distinguish the stretch and the bend individually by using origami structures. We formed a strain sensor using SWCNTs that was deposited on a substrate to form a 5-7 nm thin film. By patterning the SWCNTs strain sensors, origami-based sheet devices were fabricated. We confirmed that our origami sheet device obtained the bending and stretching information separately by attaching the device to cylinders. We believe that the origami system could contribute to the observation of complex deformations such as artificial skin, human interface, and biomedical applications. [2020-0324]

Original languageEnglish
Article number9321209
Pages (from-to)234-242
Number of pages9
JournalJournal of Microelectromechanical Systems
Volume30
Issue number2
DOIs
Publication statusPublished - 2021 Apr

Keywords

  • Flexible device
  • SWCNTs
  • origami
  • shape-recognizable device
  • strain sensor

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering

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