Gold nanoparticle-modified carbon nanotubes-modified electrodes. Using voltammetry to measure the total length of the nanotubes

Ian Streeter; Lei Xiao; Gregory G. Wildgoose; Richard G. Compton

doi:10.1021/jp0776661

Gold nanoparticle-modified carbon nanotubes-modified electrodes. Using voltammetry to measure the total length of the nanotubes

Ian Streeter, Lei Xiao, Gregory G. Wildgoose, Richard G. Compton

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

A carbon nanotube (CNT)-modified electrode is made in which a glassy carbon macroelectrode is partially covered with a layer of gold nanoparticle-modified CNTs. The carbon surfaces are passivated so that only the gold nanotubes are electroactive. Linear sweep voltammetry of ferrocyanide is studied using the modified electrode, and the results are interpreted by numerical simulation. It is shown that the voltammetric measurements can measure the total length of the CNTs present on the surface.

Original language	English
Pages (from-to)	1933-1937
Number of pages	5
Journal	The Journal of Physical Chemistry C
Volume	112
Issue number	6
DOIs	https://doi.org/10.1021/jp0776661
Publication status	Published - 12 Jan 2008

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10.1021/jp0776661

Cite this

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title = "Gold nanoparticle-modified carbon nanotubes-modified electrodes. Using voltammetry to measure the total length of the nanotubes",

abstract = "A carbon nanotube (CNT)-modified electrode is made in which a glassy carbon macroelectrode is partially covered with a layer of gold nanoparticle-modified CNTs. The carbon surfaces are passivated so that only the gold nanotubes are electroactive. Linear sweep voltammetry of ferrocyanide is studied using the modified electrode, and the results are interpreted by numerical simulation. It is shown that the voltammetric measurements can measure the total length of the CNTs present on the surface.",

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AU - Xiao, Lei

AU - Wildgoose, Gregory G.

AU - Compton, Richard G.

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N2 - A carbon nanotube (CNT)-modified electrode is made in which a glassy carbon macroelectrode is partially covered with a layer of gold nanoparticle-modified CNTs. The carbon surfaces are passivated so that only the gold nanotubes are electroactive. Linear sweep voltammetry of ferrocyanide is studied using the modified electrode, and the results are interpreted by numerical simulation. It is shown that the voltammetric measurements can measure the total length of the CNTs present on the surface.

AB - A carbon nanotube (CNT)-modified electrode is made in which a glassy carbon macroelectrode is partially covered with a layer of gold nanoparticle-modified CNTs. The carbon surfaces are passivated so that only the gold nanotubes are electroactive. Linear sweep voltammetry of ferrocyanide is studied using the modified electrode, and the results are interpreted by numerical simulation. It is shown that the voltammetric measurements can measure the total length of the CNTs present on the surface.

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JF - The Journal of Physical Chemistry C

SN - 1932-7447

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