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Related Experiment Video

Updated: Dec 24, 2025

Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management

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Self-Powered Multifunctional Electronic Skin for a Smart Anti-Counterfeiting Signature System.

Hang Guo¹, Ji Wan², Hanxiang Wu²

¹Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China.

ACS Applied Materials & Interfaces

|April 16, 2020

Summary

This study introduces a novel self-powered electronic skin that detects motion and pressure using combined triboelectric and piezoelectric effects. This technology enables advanced human-machine interfaces and secure anti-counterfeiting systems.

Keywords:

PVDF−TrFE multifunctional electronic skin self-powered smart anti-counterfeiting signature system (SASS)triboelectric nanogenerator (TENG)

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Last Updated: Dec 24, 2025

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Area of Science:

Materials Science
Nanotechnology
Sensors

Background:

Self-powered electronic skin is crucial for next-generation human-machine interfaces.
Existing systems often require external power sources for multi-parameter sensing.

Purpose of the Study:

To develop an active multifunctional electronic skin capable of independently sensing trajectory, acceleration, velocity, and pressure.
To demonstrate its application in a smart anti-counterfeiting signature system.

Main Methods:

Utilized synchronized triboelectrification and piezoelectric effects for energy harvesting and sensing.
Employed a net-cross electrode configuration for full-plane trajectory detection.
Implemented a spacer-grid design with piezoelectric nanofiber film for dynamic pressure sensing.

Main Results:

Successfully detected contact trajectory, acceleration, and velocity by analyzing signal time differences.
Achieved real-time dynamic pressure detection with high sensitivity and precision.
Demonstrated a smart anti-counterfeiting signature system with writing habit recognition within a 100 ms error margin.

Conclusions:

The developed electronic skin offers a self-powered, multifunctional sensing solution.
It shows significant potential for human-machine interaction, cyber security, and anti-counterfeiting applications.