Electrode properties of tetrahedral amorphous carbon

Yu E. Evstefeeva; Yu V. Pleskov; A. M. Kutsay; I. Bello

doi:10.1007/s11175-005-0137-5

Electrode properties of tetrahedral amorphous carbon

Yu E. Evstefeeva
, Yu V. Pleskov
, A. M. Kutsay
, I. Bello

City University of Hong Kong

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

7 Citations (Scopus)

Abstract

Impedance spectra in a 2.5 M H₂SO₄ solution and kinetic characteristics of reactions in the Fe(CN) ₆ ^3-/4- redox system are measured for thin-film electrodes of tetrahedral amorphous carbon (ta-C). After an anneal in a vacuum at 700 to 900°C or implantation of C⁺ ions (10¹⁵ to 10 ¹⁷ ion/cm²), ta-C films acquire electrochemical activity, which can be explained by an increased content of sp ² carbon. © 2005 MAIK "Nauka/Interperiodica".

Original language	English
Pages (from-to)	772-777
Journal	Russian Journal of Electrochemistry
Volume	41
Issue number	7
DOIs	https://doi.org/10.1007/s11175-005-0137-5
Publication status	Published - Jul 2005

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was supported by the Russian Foundation for Basic Research, project no. 04-03-32034. Yu.V. Pleskov is grateful to the City University of Hong Kong for the opportunity to visit the University and discuss this work.

Research Keywords

Differential capacitance
Electrochemical kinetics
Implantation with C + ions
Tetrahedral amorphous carbon
Thin-film electrode

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abstract = "Impedance spectra in a 2.5 M H2SO4 solution and kinetic characteristics of reactions in the Fe(CN) 6 3-/4- redox system are measured for thin-film electrodes of tetrahedral amorphous carbon (ta-C). After an anneal in a vacuum at 700 to 900°C or implantation of C+ ions (1015 to 10 17 ion/cm2), ta-C films acquire electrochemical activity, which can be explained by an increased content of sp 2 carbon. {\textcopyright} 2005 MAIK {"}Nauka/Interperiodica{"}.",

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AU - Evstefeeva, Yu E.

AU - Pleskov, Yu V.

AU - Kutsay, A. M.

AU - Bello, I.

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N2 - Impedance spectra in a 2.5 M H2SO4 solution and kinetic characteristics of reactions in the Fe(CN) 6 3-/4- redox system are measured for thin-film electrodes of tetrahedral amorphous carbon (ta-C). After an anneal in a vacuum at 700 to 900°C or implantation of C+ ions (1015 to 10 17 ion/cm2), ta-C films acquire electrochemical activity, which can be explained by an increased content of sp 2 carbon. © 2005 MAIK "Nauka/Interperiodica".

AB - Impedance spectra in a 2.5 M H2SO4 solution and kinetic characteristics of reactions in the Fe(CN) 6 3-/4- redox system are measured for thin-film electrodes of tetrahedral amorphous carbon (ta-C). After an anneal in a vacuum at 700 to 900°C or implantation of C+ ions (1015 to 10 17 ion/cm2), ta-C films acquire electrochemical activity, which can be explained by an increased content of sp 2 carbon. © 2005 MAIK "Nauka/Interperiodica".

KW - Differential capacitance

KW - Electrochemical kinetics

KW - Implantation with C + ions

KW - Tetrahedral amorphous carbon

KW - Thin-film electrode

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DO - 10.1007/s11175-005-0137-5

M3 - RGC 21 - Publication in refereed journal

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VL - 41

SP - 772

EP - 777

JO - Russian Journal of Electrochemistry

JF - Russian Journal of Electrochemistry

IS - 7

ER -

Electrode properties of tetrahedral amorphous carbon

Abstract

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Research Keywords

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