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Title: Conducting polymer-based electrochemical sensors: Progress, challenges, and future perspectives

Journal Article · · Talanta Open
 [1];  [1];  [2]; ORCiD logo [3];  [4]
  1. KLE Technological University, Karnataka (India)
  2. King Saud Univ., Riyadh (Saudi Arabia)
  3. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Idaho State Univ., Pocatello, ID (United States)
  4. KLE Technological University, Karnataka (India); Chandigarh University, Panjab (India)

Conducting polymers are promising due to their unique properties, such as excellent electrical and optical properties, physical and chemical stability, high conductivity, and effective redox properties with high-temperature stability and biocompatibility. Due to these properties, conducting polymers are useful in diverse applications like sensors, batteries, oil industries, biosensors, biomedicines, catalysis, cancer treatment, etc. This review article aims to discuss the recent trends and analysis of conducting polymer-based electrochemical sensors in diverse areas with all required sensor characteristics, such as the derived limit of detection, utilized techniques for the sensing analysis and derived linear dynamic range with the stability of the sensors. Conducting polymers and their nanocomposites-based electrochemical sensors have demonstrated exceptional capabilities towards detecting various biomolecules, heavy metals, pesticides, and viruses like SARS-COV-2. Incorporation of redox mediators, use of conducting hydrogels, and molecular imprinting are promising strategies for better performance of the derived sensor. The article has demonstrated the existing challenges and limitations and provided solutions in the field. In the future, conducting polymers-based electrochemical sensors can be utilized in wearable sensors and integrated with IoT devices for better reach in real-time applications. They can also be made more accessible with precise control and data output by following specific methodologies. Utilizing green and sustainable conducting polymers can be crucial in advancing eco-friendly practices in the future. Conducting polymer-based electrochemical sensors has affectivity in neurochemical and pathogen sensing, which is essential for brain function and mental health.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
2525964
Journal Information:
Talanta Open, Journal Name: Talanta Open Vol. 11; ISSN 2666-8319
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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