Flexible and Stretchable Pressure Sensors: From Basic Principles to State-of-the-Art Applications

Area of Science:

• Materials Science
• Electronics Engineering
• Biomedical Engineering

Background:

• Flexible and stretchable electronics are key for next-generation devices.
• They offer advantages like flexibility, biocompatibility, and lightweight design.
• Applications span e-textiles, healthcare, and wearable technology.

Purpose of the Study:

• To provide a comprehensive review of flexible and stretchable pressure sensors.
• To cover fundamental principles, materials, fabrication, and sensing mechanisms.
• To highlight state-of-the-art applications in various fields.

Main Methods:

• Review of recent developments in flexible and stretchable pressure sensors.
• Analysis of force/pressure-sensitive materials and fabrication techniques.
• Investigation of sensing mechanisms including piezoresistivity, capacitance, and piezoelectricity.

Main Results:

• Significant advancements in low-cost, high-performance flexible and stretchable pressure sensors.
• Demonstrated potential for integration into medical and healthcare devices.
• Exploration of diverse applications from consumer electronics to advanced diagnostics.

Conclusions:

• Flexible and stretchable pressure sensors are crucial for integrated healthcare and wearable technologies.
• Continued research in materials and fabrication will drive performance and adoption.
• These sensors enable novel monitoring of human activity and biological signals.