New materials for electrochemical sensing VI: Carbon nanotubes

Arben Merkoçi, Martin Pumera, Xavier Llopis, Briza Pérez, Manel Del Valle, Salvador Alegret

Research output: Contribution to journalArticle

481 Citations (Scopus)

Abstract

Carbon nanotubes (CNTs) combine in a unique way high electrical conductivity, high chemical stability and extremely high mechanical strength. These special properties of both single-wall (SW) and multi-wall (MW) CNTs have attracted the interest of many researchers in the field of electrochemical sensors. This article demonstrates the latest advances and future trends in producing, modifying, characterizing and integrating CNTs into electrochemical sensing systems. CNTs can be either used as single probes after formation in situ or even individually attached onto a proper transducing surface after synthesis. Both SWCNTs and MWCNTs can be used to modify several electrode surfaces in either vertically oriented "nanotube forests" or even a non-oriented way. They can be also used in sensors after mixing them with a polymer matrix to form CNT composites. We discuss novel applications of CNTs in electrochemical sensors, including enzyme-based biosensors, DNA sensors and immunosensors, and propose future challenges and applications.

Original languageEnglish
Pages (from-to)826-838
Number of pages13
JournalTrAC - Trends in Analytical Chemistry
Volume24
Issue number9
DOIs
Publication statusPublished - 2005 Jan 1

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Carbon Nanotubes
Electrochemical sensors
Immunosensors
Chemical stability
Sensors
Polymer matrix
Biosensors
Nanotubes
Strength of materials
Electrodes
DNA
Composite materials
Enzymes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Spectroscopy

Cite this

Merkoçi, Arben ; Pumera, Martin ; Llopis, Xavier ; Pérez, Briza ; Del Valle, Manel ; Alegret, Salvador. / New materials for electrochemical sensing VI : Carbon nanotubes. In: TrAC - Trends in Analytical Chemistry. 2005 ; Vol. 24, No. 9. pp. 826-838.
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Merkoçi, A, Pumera, M, Llopis, X, Pérez, B, Del Valle, M & Alegret, S 2005, 'New materials for electrochemical sensing VI: Carbon nanotubes', TrAC - Trends in Analytical Chemistry, vol. 24, no. 9, pp. 826-838. https://doi.org/10.1016/j.trac.2005.03.019

New materials for electrochemical sensing VI : Carbon nanotubes. / Merkoçi, Arben; Pumera, Martin; Llopis, Xavier; Pérez, Briza; Del Valle, Manel; Alegret, Salvador.

In: TrAC - Trends in Analytical Chemistry, Vol. 24, No. 9, 01.01.2005, p. 826-838.

Research output: Contribution to journalArticle

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