Electrochemical characterization of nitrogen-incorporated tetrahedral carbon films grown by a filtered cathodic vacuum arc

Nelson C. Yee, Qingfang Shi, Wen Bin Cai, Daniel Alberto Scherson, Barry Miller

研究成果: Article

23 引用 (Scopus)

抄録

Tetrahedral carbon films incorporating nitrogen (taC:N) have been produced on Si, Ta, Ti, and electrochemically roughened Ag surfaces using a single commercial filtered cathodic vacuum arc (FCVA) carbon ion source in the presence of nitrogen gas at reduced pressure. Highly resolved Raman spectra under visible laser excitation were obtained for taC:N films only a few nanometers thick deposited on roughened Ag, including the rather elusive T band characteristic of sp3 hybridized bonding. The electrochemical response of taC:N supported on polished Ta in aqueous solutions was virtually identical to that reported earlier for taC:N films on Si prepared by the simultaneous incidence of a custom-made FCVA carbon ion source and a nitrogen ion gun. Reversible kinetics for Ru(NH3)6Cl3 reduction in 1 M KCl and electrocatalytic activity for chlorine evolution and reduction in 1 M HCl solutions are observed juxtaposed to high overpotentials for hydrogen and oxygen evolution.

元の言語English
ジャーナルElectrochemical and Solid-State Letters
4
発行部数10
DOI
出版物ステータスPublished - 2001 10 1
外部発表Yes

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Carbon films
Ion sources
carbon arcs
Nitrogen
arcs
Vacuum
nitrogen
ion sources
vacuum
carbon
Carbon
Laser excitation
nitrogen ions
Chlorine
chlorine
Raman scattering
Hydrogen
Thermodynamic properties
incidence
Gases

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

これを引用

Electrochemical characterization of nitrogen-incorporated tetrahedral carbon films grown by a filtered cathodic vacuum arc. / Yee, Nelson C.; Shi, Qingfang; Cai, Wen Bin; Scherson, Daniel Alberto; Miller, Barry.

:: Electrochemical and Solid-State Letters, 巻 4, 番号 10, 01.10.2001.

研究成果: Article

Yee, Nelson C. ; Shi, Qingfang ; Cai, Wen Bin ; Scherson, Daniel Alberto ; Miller, Barry. / Electrochemical characterization of nitrogen-incorporated tetrahedral carbon films grown by a filtered cathodic vacuum arc. :: Electrochemical and Solid-State Letters. 2001 ; 巻 4, 番号 10.
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