Cited by 817Advanced Sensor and Energy Harvesting MaterialsNanomaterials and Printing TechnologiesCarbon Nanotubes in Composites

Ultra-stretchable and skin-mountable strain sensors using carbon nanotubes–Ecoflex nanocomposites

Amjadi, Morteza, Yoon, Yong Jin, Park, Inkyu·2015·Nanotechnology

Abstract

Super-stretchable, skin-mountable, and ultra-soft strain sensors are presented by using carbon nanotube percolation network-silicone rubber nanocomposite thin films. The applicability of the strain sensors as epidermal electronic systems, in which mechanical compliance like human skin and high stretchability (ϵ > 100%) are required, has been explored. The sensitivity of the strain sensors can be tuned by the number density of the carbon nanotube percolation network. The strain sensors show excellent hysteresis performance at different strain levels and rates with high linearity and small drift. We found that the carbon nanotube-silicone rubber based strain sensors possess super-stretchability and high reliability for strains as large as 500%. The nanocomposite thin films exhibit high robustness and excellent resistance-strain dependency for over ~1380% mechanical strain. Finally, we performed skin motion detection by mounting the strain sensors on different parts of the body. The maximum induced strain by the bending of the finger, wrist, and elbow was measured to be ~ 42%, 45% and 63%, respectively.

Integrity signals

Registry

Crossref · 10.1088/0957-4484/26/37/375501

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66 of 66 references verified0 citation errors · 0 not checkable

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  • To measure multiaxial strain, techniques such as arranging multiple sensors with rosette configuration, anisotropic electrical impedance tomography, and stacking strain sensors with low cross-sensitivity along different directions were adopted.

    “To measure multiaxial strain, techniques such as arranging multiple sensors with rosette configuration, [135,136] anisotropic electrical impedance tomography, [137] and stacking strain sensors with low cross-sensitivity along different directions were adopted.”

    From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [136]

  • Similar rosette arrangements were also used for CNT-Ecoflex nanocomposite enabled strain sensors.

    “Similar rosette arrangements were also used for CNT-Ecoflex nanocomposite enabled strain sensors.[136]”

    From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [136]

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Authors
Amjadi, M., Yoon, Y. J., & Park, I.
Affiliations
  • Korea Advanced Institute of Science and Technology (KR)
  • Nanyang Technological University (SG)
Corresponding author
Park, Inkyu
Venue
Nanotechnology
Published
2015-08-25
Volume
26
Issue
37
Pages
375501
ISSN
  • 0957-4484 (ISSN-L)
  • 1361-6528
OpenAlex
W1843167350
Cited by
817
References
66
Citations by year
2026: 34 · 2025: 59 · 2024: 67 · 2023: 83 · 2022: 92 · 2021: 91 · 2020: 100 · 2019: 124 · 2018: 79 · 2017: 58 · 2016: 28 · 2015: 2
FWCI
27.66
Type
journal article
Language
en
Open access
closed
Locations
  • Nanotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
Funders
  • Industrial Strategic Technology Development Program (10041618)
  • Fundamental R&D Program for Core Technology of Materials (N02120149)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Nanomaterials and Printing Technologies
  • Physical Sciences › Materials Science › Materials Chemistry › Carbon Nanotubes in Composites
Keywords
stretchable strain sensors, carbon nanotubes, nanocomposite films, percolation network, epidermal electronics, hysteresis
MeSH terms
Clothing, Equipment Design, Humans, Monitoring, Physiologic, Polyesters, Skin Physiological Phenomena, Nanotechnology, Nanotubes, Carbon, Nanocomposites

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