Paper-Based Screen-Printed Electrodes: A New Generation of Low-Cost Electroanalytical Platforms

Area of Science:

• Electrochemistry
• Materials Science
• Analytical Chemistry

Background:

• Screen-printed technology enables miniaturized, robust, and user-friendly electrochemical sensors.
• Versatile transducer design and ease of modification are key advantages of screen-printed electrodes (SPEs).
• Ceramic substrates have dominated SPE development, but low-cost materials are gaining traction.

Purpose of the Study:

• To provide a comprehensive overview of paper-based screen-printed electrodes (SPEs) for analytical applications.
• To highlight the diverse designs and applications of paper-based SPEs.
• To explore the potential of low-cost materials in electrochemical sensing.

Main Methods:

• Literature review of research on paper-based SPEs.
• Analysis of various designs and fabrication methods for paper-based SPEs.
• Compilation of application examples in analytical chemistry.

Main Results:

• Paper has emerged as a common and cost-effective substrate for SPEs.
• A wide array of paper-based SPE designs have been developed.
• Numerous analytical applications demonstrate the utility of these sensors.

Conclusions:

• Paper-based SPEs represent a significant advancement in portable and affordable electrochemical sensing.
• The versatility and adaptability of paper substrates facilitate diverse analytical applications.
• Continued innovation in paper-based SPEs promises broader accessibility in analytical devices.