Functionalized Fiber-Based Strain Sensors: Pathway to Next-Generation Wearable Electronics

Area of Science:

• Materials Science
• Engineering
• Wearable Technology

Background:

• Wearable strain sensors are gaining interest for diverse applications like healthcare and AI.
• Fiber-based sensors offer advantages such as flexibility, comfort, and scalability.

Purpose of the Study:

• To review recent progress in functionalization and fabrication of fiber materials for wearable strain sensors.
• To analyze the mechanisms, merits, and demerits of current fiber-based strain sensors.
• To summarize applications and discuss future challenges and prospects.

Main Methods:

• Review of literature on conductive fiber preparation (spinning, surface modification, structural transformation).
• Analysis of fabrication techniques and sensing mechanisms for advanced sensors.
• Summarization of application examples in motion detection, healthcare, and human-machine interaction.

Main Results:

• Various methods exist for preparing conductive fibers.
• State-of-the-art sensors exhibit diverse sensing mechanisms with distinct advantages and disadvantages.
• Fiber-based strain sensors show promise in multiple application domains.

Conclusions:

• Fiber-based wearable strain sensors are advancing rapidly.
• Key challenges remain in achieving robust, real-world implementation.
• Future research should focus on overcoming these challenges for broader adoption.