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Fabrication and Investigation of Graphite-Flake-Composite-Based Non-Invasive Flex Multi-Functional Force,

Noshin Fatima¹, Khasan S Karimov^2,3, Farah Adilah Jamaludin¹

¹Faculty of Engineering, Technology and Built Environment, UCSI University, Kuala Lumpur 56000, Malaysia.

|July 29, 2023

Summary

This study developed an affordable, eco-friendly elastic sensor using graphite flake-isoprene sulfone composite. The sensor effectively detects stretching force, acceleration, and temperature changes, offering potential in education and health monitoring.

Keywords:

biodegradable carbon compound electronics environmental education graphite nanoflakes composite international poverty line micro-technology pollution-free

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Area of Science:

Materials Science
Sensor Technology
Composite Materials

Background:

Development of non-invasive, multi-functional sensors is crucial for various applications.
Elastic thin-film sensors offer advantages in flexibility and wearability.
Graphite flake-isoprene sulfone composites present a novel material for sensor fabrication.

Purpose of the Study:

To investigate the physics and electrical characteristics of a novel elastic thin-film sensor.
To evaluate the sensor's response to stretching force, acceleration, and temperature.
To explore the potential applications of this sensor in education and health monitoring.

Main Methods:

Fabrication of graphite flake-isoprene sulfone composite sensors using a rub-in technique.
Morphological analysis using Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM), X-ray diffraction, and Fourier transform infrared spectroscopy.
Electrical characterization of sensor impedance under varying stretching force, acceleration, and temperature conditions.

Main Results:

Sensor resistance and impedance showed significant increases with stretching force and acceleration.
Temperature variations led to notable decreases in sensor resistance and impedance.
The study confirmed that altering composite particle spacing influences electronic parameters under stress.

Conclusions:

The developed sensor is a cost-effective, environmentally friendly, and simple-to-fabricate device.
It demonstrates multi-functional capabilities for detecting mechanical stress and temperature.
Potential applications include educational tools for material science, physiotherapy monitoring, and public health risk prevention.