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Related Experiment Video

Updated: May 3, 2026

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Highly stretchable resistive pressure sensors using a conductive elastomeric composite on a micropyramid array.

Chwee-Lin Choong1, Mun-Bo Shim, Byoung-Sun Lee

  • 1Samsung Advanced Institute of Technology (SAIT), Samsung Electronics Company, San 14, Nongseo-dong, Giheung-gu, Yongin-si, Gyeonggi-do, Korea.

Advanced Materials (Deerfield Beach, Fla.)
|February 19, 2014
PubMed
Summary

Researchers developed a highly stretchable resistive pressure sensor using a pyramidal microstructured substrate and a polymer composite electrode. This novel sensor achieves a high sensitivity of 10.3 kPa(-1) at 40% elongation, enabling advanced pressure detection.

Keywords:
biomedical applicationscomposite materialselectronic skinsflexible materialspolymerspressure sensorsstretchable materials

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensor Technology

Background:

  • Resistive pressure sensors are crucial for various applications.
  • Developing sensors with high stretchability and sensitivity remains a challenge.
  • Microstructured substrates can enhance sensor performance.

Purpose of the Study:

  • To create a highly stretchable resistive pressure sensor.
  • To investigate the effect of microscale pyramidal features on sensor performance.
  • To achieve high sensitivity in a stretchable sensor.

Main Methods:

  • Coating a compressible substrate with an array of microscale pyramidal features with a highly stretchable electrode.
  • The electrode is made from a polymer composite.
  • Testing sensor performance under varying degrees of elongation.

Main Results:

  • A stretchable resistive pressure sensor was successfully fabricated.
  • The sensor demonstrated maximum pressure-induced geometrical change at 40% elongation.
  • A high sensitivity of 10.3 kPa(-1) was achieved at 40% elongation.

Conclusions:

  • The combination of a microstructured substrate and a stretchable electrode is effective for high-performance pressure sensing.
  • The developed sensor shows significant potential for applications requiring sensitive and stretchable pressure detection.
  • The design maximizes geometrical changes for enhanced sensitivity.