Cited by 3,202Advanced Sensor and Energy Harvesting MaterialsNanomaterials and Printing TechnologiesCarbon Nanotubes in Composites

Stretchable, Skin-Mountable, and Wearable Strain Sensors and Their Potential Applications: A Review

Amjadi, Morteza, Kyung, Ki‐Uk, Park, Inkyu, Sitti, Metin·2016·Advanced Functional Materials

Abstract

There is a growing demand for flexible and soft electronic devices. In particular, stretchable, skin‐mountable, and wearable strain sensors are needed for several potential applications including personalized health‐monitoring, human motion detection, human‐machine interfaces, soft robotics, and so forth. This Feature Article presents recent advancements in the development of flexible and stretchable strain sensors. The article shows that highly stretchable strain sensors are successfully being developed by new mechanisms such as disconnection between overlapped nanomaterials, crack propagation in thin films, and tunneling effect, different from traditional strain sensing mechanisms. Strain sensing performances of recently reported strain sensors are comprehensively studied and discussed, showing that appropriate choice of composite structures as well as suitable interaction between functional nanomaterials and polymers are essential for the high performance strain sensing. Next, simulation results of piezoresistivity of stretchable strain sensors by computational models are reported. Finally, potential applications of flexible strain sensors are described. This survey reveals that flexible, skin‐mountable, and wearable strain sensors have potential in diverse applications while several grand challenges have to be still overcome.

Integrity signals

Registry

Crossref · 10.1002/adfm.201504755

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147 of 147 references verified0 citation errors · 0 not checkable

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  • There is a trade-off relationship between high sensitivity (GF > 50) and high conductivity (>1 S.cm−1) and stretchability (>100%) in most recently developed strain sensors.

    “Regarding strain sensors, there is a trade-off relationship between “high sensitivity (GF > 50)” and “high conductivity (>1 S.cm−1) and stretchability (>100%)” in most of the recently developed strain sensors [38].”
  • The piezoresistive sensitivity in polymer nanocomposite-based sensors is much larger than their piezo-capacitive sensitivities, which are typically less than 1.

    “The piezoresistive sensitivity in polymer nanocomposite-based sensors is much larger than their piezo-capacitive sensitivities, which are typically less than 1 [38,109].”
  • Most resistive strain sensors exhibit large stretchability and high sensitivity, but many suffer from nonlinear response, large hysteresis, and irreversibility.

    “While most resistive strain sensors exhibit large stretchability and high sensitivity, many suffer from nonlinear response, large hysteresis, and irreversibility.[107]”

    From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [107]

  • Capacitive strain sensors possess good linearity with low hysteresis, fast response, and are less susceptible to overshoot and creep.

    “Capacitive strain sensors possess good linearity with low hysteresis, fast response, and are less susceptible to overshoot and creep.[107]”

    From Nanomaterial-Enabled Wearable Sensors for Healthcare (2018) · cites this paper as [107]

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Authors
Amjadi, M., Kyung, K., Park, I., & Sitti, M.
Affiliations
  • Max Planck Institute for Intelligent Systems (DE)
  • Electronics and Telecommunications Research Institute (KR)
  • Korea Advanced Institute of Science and Technology (KR)
Corresponding author
  • Park, Inkyu
  • Sitti, Metin
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2016-02-17
Volume
26
Issue
11
Pages
1678-1698
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2285847257
Cited by
3,202
References
147
Citations by year
2026: 268 · 2025: 282 · 2024: 339 · 2023: 350 · 2022: 342 · 2021: 400 · 2020: 354 · 2019: 394 · 2018: 279 · 2017: 149 · 2016: 43
FWCI
139.02
Type
journal article
Language
en
Open access
closed
Locations
  • Advanced Functional Materials (publishedVersion)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
Funders
  • National Research Foundation of Korea (2015R1A5A1037668)
  • Korean Government (MSIP)
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, wearable sensors, flexible electronics, soft electronics, quantum tunneling, piezoresistivity, health monitoring, human motion detection, human-machine interaction, soft robotics

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