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Carbon Nanomaterials-Based Screen-Printed Electrodes for Sensing Applications.

Rafael Matias Silva1, Alexsandra Dias da Silva1, Jéssica Rocha Camargo2

  • 1Department of Chemistry, Federal University of Viçosa, Viçosa 36570-900, MG, Brazil.

Biosensors
|May 15, 2023
PubMed
Summary

Screen-printed electrodes (SPEs) offer miniaturized, cost-effective electrochemical sensing. Carbon nanomaterials enhance SPE performance, enabling sensitive detection and biosensor development for diverse applications.

Keywords:
biocharcarbon blackcarbon nanotubescarbon quantum dotscarbonaceous nanomaterialsdisposable electrodeselectroanalysisgraphenegraphitic carbon nitridescreen-printing

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Area of Science:

  • Electroanalytical Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Screen-printed electrodes (SPEs) are versatile electrochemical devices.
  • SPEs offer advantages like miniaturization, cost-effectiveness, and disposability.
  • Their analytical performance depends heavily on electrode material quality.

Purpose of the Study:

  • To review the use of carbon nanomaterials in electrochemical SPE sensors.
  • To explore traditional and novel carbonaceous materials for SPE modification.
  • To discuss future perspectives for these advanced electrochemical devices.

Main Methods:

  • Literature review of carbon nanomaterials in SPE sensor fabrication.
  • Analysis of materials including graphene, carbon nanotubes, carbon black, carbon quantum dots, graphitic carbon nitride, and biochar.
  • Evaluation of their impact on electrochemical response and sensor sensitivity.

Main Results:

  • Carbon nanomaterials significantly enhance electrochemical response and sensitivity of SPEs.
  • Functionalized SPEs with carbon nanomaterials can immobilize biological agents for biosensing.
  • Various carbon materials offer unique properties for tailored sensor design.

Conclusions:

  • Carbon nanomaterials are crucial for advancing SPE electrochemical sensors.
  • The review highlights diverse materials and their potential for improved analytical performance.
  • Future research can expand the application scope of these enhanced SPE sensors.