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Volumn 17, Issue 5, 2001, Pages 1620-1629

Study of the voltammetric spike response of heptyl viologen at a HOPG electrode horizontally touched to a gas/heptyl viologen aqueous solution interface

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROREFLECTANCE (ER) SPECTROSCOPY;

EID: 0035815072     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la001219u     Document Type: Article
Times cited : (26)

References (47)
  • 27
    • 0011274582 scopus 로고    scopus 로고
    • note
    • 3 solution, the electrode was polarized at 1.95 V for 2 min and subsequently at 0.0 V for 30 s. This pretreatment induces surface defects (graphite edge sites) due to the electrochemical oxidation of the HOPG surface (refs 28 and 29).
  • 32
    • 0011369391 scopus 로고    scopus 로고
    • note
    • 18OH monolayer on a Au(111) electrode lowers the interfacial differential capacity and that phase change of the layer is observed with potential change (refs 1, 9, 10, and 13). These phenomena do not take place on HOPG (or even if they do, it cannot be observed as capacity or current change), because HOPG is not a metal. The interracial capacity of a HOPG electrode is not governed by the double layer but is totally dominated by the space-charge layer in the HOPG (refs 33-37). Note that for the same reason, attempts to see the adsorption of heptyl viologen on the HOPG surface by using only capacity measurements should be abandoned.
  • 44
    • 0000289624 scopus 로고    scopus 로고
    • and references therein
    • Demir, U.; Shannon, C. Langmuir 1996, 12, 6091 and references therein.
    • (1996) Langmuir , vol.12 , pp. 6091
    • Demir, U.1    Shannon, C.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.