Cited by 116Electrochemical sensors and biosensorsAdvanced Sensor and Energy Harvesting MaterialsConducting polymers and applications

Conductive Polymer-Coated Carbon Nanotubes To Construct Stretchable and Transparent Electrochemical Sensors

Jin, Zi-He, Liu, Yan-Ling, Chen, Jing-Jing, Cai, Si-Liang, Xu, Jia-Quan, Huang, Wei-Hua·2017·Analytical Chemistry

Abstract

Carbon nanotube (CNT)-based flexible sensors have been intensively developed for physical sensing. However, great challenges remain in fabricating stretchable CNT films with high electrochemical performance for real-time chemical sensing, due to large sheet resistance of CNT film and further resistance increase caused by separation between each CNT during stretching. Herein, we develop a facile and versatile strategy to construct single-walled carbon nanotubes (SWNTs)-based stretchable and transparent electrochemical sensors, by coating and binding each SWNT with conductive polymer. As a polymer with high conductivity, good electrochemical activity, and biocompatibility, poly(3,4-ethylenedioxythiophene) (PEDOT) acting as a superior conductive coating and binder reduces contact resistance and greatly improves the electrochemical performance of SWNTs film. Furthermore, PEDOT protects the SWNTs junctions from separation during stretching, which endows the sensor with highly mechanical compliance and excellent electrochemical performance during big deformation. These unique features allow real-time monitoring of biochemical signals from mechanically stretched cells. This work represents an important step toward construction of a high performance CNTs-based stretchable electrochemical sensor, therefore broadening the way for stretchable sensors in a diversity of biomedical applications.

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Crossref · 10.1021/acs.analchem.6b04616

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  • The electrochemical method is the most popular way for sweat analysis owing to relatively high sensitivity and selectivity, rapid response, and good compatibility.

    “The electrochemical method is the most popular way owing to advantages of relatively high sensitivity and selectivity, rapid response, as well as good compatibility (16–19).”

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Authors
Jin, Z.-H., Liu, Y.-L., Chen, J.-J., Cai, S.-L., Xu, J.-Q., & Huang, W.-H.
Affiliations
  • Wuhan University (CN)
  • Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
Corresponding author
Huang, Wei-Hua
Venue
Analytical Chemistry
Published
2017-01-10
Volume
89
Issue
3
Pages
2032-2038
ISSN
  • 0003-2700 (ISSN-L)
  • 1520-6882
OpenAlex
W2565792694
Cited by
116
References
67
Citations by year
2026: 9 · 2025: 7 · 2024: 15 · 2023: 9 · 2022: 14 · 2021: 10 · 2020: 15 · 2019: 18 · 2018: 13 · 2017: 5
FWCI
5.54
Type
journal article
Language
en
Open access
closed
Locations
  • Analytical Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Science Foundation
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrochemical sensors and biosensors
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Materials Science › Polymers and Plastics › Conducting polymers and applications
Keywords
single-walled carbon nanotubes, transparent sensors, PEDOT coating, conductive polymer binder, contact resistance, mechanical compliance, flexible sensors
MeSH terms
Proof of Concept Study, Dimethylpolysiloxanes, Humans, Microscopy, Electron, Scanning, Polymers, Biosensing Techniques, Bridged Bicyclo Compounds, Heterocyclic, Coated Materials, Biocompatible, Nanotubes, Carbon, Electrochemical Techniques, Human Umbilical Vein Endothelial Cells

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