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Related Experiment Video

Updated: Jan 29, 2026

Applying Incongruent Visual-Tactile Stimuli during Object Transfer with Vibro-Tactile Feedback
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All MoS2-Based Large Area, Skin-Attachable Active-Matrix Tactile Sensor.

Yong Ju Park1, Bhupendra K Sharma1, Sachin M Shinde1

  • 1School of Electrical and Electronic Engineering , Yonsei University , 50 Yonsei-ro , Seodaemun-gu, Seoul 03722 , Republic of Korea.

ACS Nano
|February 16, 2019
PubMed
Summary

This study presents an advanced active-matrix tactile sensor using molybdenum disulfide (MoS2) for high-performance electronic skin applications. The novel design minimizes crosstalk, enabling accurate multitouch and object shape detection for enhanced wearable electronics.

Keywords:
MoS2active-matrixelectronic skintactile sensorwearable electronics

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Area of Science:

  • Materials Science
  • Electronics Engineering
  • Robotics

Background:

  • Flexible tactile sensors are vital for wearable electronics, electronic skins, and biorobotics.
  • Passive tactile sensors exhibit high crosstalk, limiting accuracy in advanced applications.
  • Active-matrix sensors require high-performance thin-film transistors for precise pressure sensing.

Purpose of the Study:

  • To develop a large-area, active-matrix tactile sensor with reduced crosstalk and improved performance.
  • To leverage the properties of molybdenum disulfide (MoS2) for tactile sensing applications.
  • To demonstrate the capabilities of an all-MoS2 active-matrix sensor for complex interactions.

Main Methods:

  • Fabrication of an 8x8 active-matrix tactile sensor array using MoS2 as the semiconductor and Al2O3 as dielectric layers.
  • Integration of MoS2-based back-plane circuitry and strain sensors.
  • Characterization of the sensor's sensing range, sensitivity, response time, and linearity.

Main Results:

  • Achieved a wide sensing range of 1-120 kPa with a sensitivity of 0.011 kPa-1 and a response time of 180 ms.
  • Demonstrated excellent linearity and minimal crosstalk in the active-matrix sensor array.
  • Successfully applied the sensor for accurate multitouch detection, stylus trajectory tracking, and object shape recognition.

Conclusions:

  • The developed all-MoS2 active-matrix tactile sensor offers high performance and reliability for advanced applications.
  • The sensor's ability to accurately sense complex interactions opens new possibilities for human-computer interfaces and robotics.
  • This work highlights the potential of MoS2 in next-generation flexible electronic systems.