Flexible Copper-Based Thermistors Fabricated by Laser Direct Writing for Low-Temperature Sensing

Area of Science:

• Materials Science
• Electronics Engineering
• Nanotechnology

Background:

• Traditional electronics face limitations in flexibility, driving demand for new sensing devices.
• Low-temperature environments require specialized sensors for accurate monitoring and control.

Purpose of the Study:

• To fabricate a flexible copper-based thermistor using laser direct writing.
• To investigate the temperature sensing performance and stability of the fabricated thermistor.
• To explore the potential of these thermistors for low-temperature sensing applications.

Main Methods:

• Fabrication of a flexible copper-based thermistor via laser direct writing with copper ion precursors.
• Characterization of the thermistor's temperature sensing ability and stability under various environmental conditions.
• Analysis of the effect of laser power on temperature sensitivity and elucidation of the sensing mechanism.

Main Results:

• The copper-based thermistor demonstrated excellent temperature sensing capabilities.
• The device exhibited high stability across different environmental conditions.
• A temperature sensor array was successfully fabricated for localized temperature management.

Conclusions:

• Laser direct writing offers a viable method for creating flexible copper-based thermistors.
• These thermistors are promising candidates for applications in low-temperature sensing.
• The developed technology supports advancements in flexible electronics and temperature management systems.