Facile Wearable Vapor/Liquid Amphibious Methanol Sensor.

Area of Science:

• Electrochemistry
• Materials Science
• Chemical Sensing

Background:

• Methanol detection is crucial for industrial health and safety.
• Existing methanol detection systems lack selectivity, environmental adaptability, and wide linear ranges.

Purpose of the Study:

• To develop a wearable, vapor/liquid amphibious electrochemical sensor for methanol monitoring.
• To achieve high selectivity, stability, and adaptability for industrial applications.

Main Methods:

• Fabrication of a microdevice platform using screen-printing technology.
• Development of a nitrile glove-based sensor with excellent stretching and bending performance.
• Modification with varying platinum catalyst content to tune sensing behaviors.

Main Results:

• The sensor demonstrated a good linear relationship, high selectivity against other volatile compounds, and reliable repeatability.
• Excellent stretching, bending performance, and stability were achieved without polymer additives.
• The sensor exhibited adaptability to both vapor and liquid phases with high sensitivity and a wide linear range.

Conclusions:

• A facile wearable electrochemical sensor for methanol detection has been successfully developed.
• The sensor shows significant potential for environmental monitoring on smart wearable devices due to its adaptability and performance.
• This technology offers a promising solution for enhanced industrial safety and health monitoring.