Stretchable One-Dimensional Conductors for Wearable Applications

Area of Science:

• Materials Science
• Electrical Engineering
• Textile Engineering

Background:

• Continuous, one-dimensional (1D) stretchable conductors are crucial for advancing wearable electronics and soft-matter applications.
• Existing technologies like spinning and printing enable the engineering of 1D conductors (fibers, wires, yarns) for demanding wearable requirements.

Purpose of the Study:

• To review the latest advancements in continuous, 1D stretchable conductors.
• To emphasize recent developments in materials, methodologies, fabrication processes, and strategies for wearable applications.

Main Methods:

• Summarization of recent research and development in 1D stretchable conductors.
• Classification of 1D conductors based on electrical responses: rigid, piezoresistive, and resistance-stable.
• Evaluation of current challenges and future perspectives in the field.

Main Results:

• Successful realization of 1D conductors that are highly conductive, strong, lightweight, stretchable, and conformable.
• Integration of these conductors with common fabrics and soft matter for diverse applications.
• Identification of key parameters: microarchitecture, conductivity, stretchability, and scalability.

Conclusions:

• 1D stretchable conductors are vital for electrical interconnects, mechanical sensors, actuators, and heaters in wearable textiles and flexible electronics.
• Further improvements in performance are needed to overcome current challenges.
• Future research should focus on enhancing conductivity, stretchability, and long-term stability for next-generation devices.