PEDOT: PSS for Implantable and Wearable Bioelectronics: From Material Engineering and Energy Storage to Clinical...

Area of Science:

• Biomaterials Science
• Flexible Electronics
• Biomedical Engineering

Background:

• Poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT: PSS) offers excellent conductivity and biocompatibility.
• It is a crucial material for integrating biomedical engineering and flexible electronics.

Purpose of the Study:

• To systematically review the physicochemical properties and charge transport mechanisms of PEDOT: PSS.
• To examine modification strategies and their impact on PEDOT: PSS microstructure and performance.
• To detail recent advances and challenges in PEDOT: PSS biomedical applications.

Main Methods:

• Literature review of PEDOT: PSS fundamental properties and modification techniques.
• Analysis of charge transport mechanisms and microstructure-performance relationships.
• Examination of applications in biosensing, electroceuticals, tissue engineering, drug delivery, and wearable devices.

Main Results:

• Modification strategies like solvent doping and plasma treatment significantly alter PEDOT: PSS properties.
• PEDOT: PSS shows promise in diverse applications including real-time biosensing and regenerative medicine.
• Key challenges include long-term stability, biosafety, and ensuring batch consistency for clinical translation.

Conclusions:

• PEDOT: PSS is a versatile biomaterial with significant potential in advanced biomedical applications.
• Further research into modification techniques and addressing clinical challenges is crucial for widespread adoption.
• Future directions include counterion substitution and developing intelligent closed-loop systems for enhanced functionality.