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Shanov, Vesselin
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Publications (5/5 displayed)
- 2024Effect of Synthesis Conditions on the Structure and Electrochemical Properties of Vertically Aligned Graphene/Carbon Nanofiber Hybridscitations
- 2024Modified 3D Graphene for Sensing and Electrochemical Capacitor Applicationscitations
- 2023Boosting Thermoelectric Power Factor of Carbon Nanotube Networks with Excluded Volume by Co-Embedded Microparticlescitations
- 2019Fiber Supercapacitors Based on Carbon Nanotube-PANI Composites
- 2007Carbon nanotubes grown on stainless steel to form plate and probe electrodes for chemical/biological sensingcitations
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article
Carbon nanotubes grown on stainless steel to form plate and probe electrodes for chemical/biological sensing
Abstract
<p>This paper describes the fabrication and evaluation of carbon nanotube (CNT) electrodes grown on stainless steel (SS) plate and wire for electrochemical sensor applications. Multi-wall carbon nanotubes with different diameters were grown on the SS plate and wire by chemical vapor deposition from an ethylene precursor. The SS provides a good electrical and mechanical connection to the CNT, and the SS is a tough substrate. The SS part of the electrode was electrically insulated from the analyte so that only the CNT were active in sensing. Cyclic voltammetry for the reduction of 6 mM K <sub>3</sub>Fe(CN) <sub>6</sub> in a 1.0 M KNO <sub>3</sub> supporting electrolyte was performed to examine the redox behavior of the CNT-SS electrode. The cyclic voltammograms showed sigmoidal-like shapes, indicating that mass transport around the electrodes is dominated by radial diffusion. Based on the cyclic voltammograms, the effective area of the CNT-SS electrodes and the number of individual CNTs were estimated. These results indicate that the CNT-SS plate and wire electrodes are good candidates to develop practical in vivo biosensors.</p>