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Relative lability of gold-oxide thin films in contact with air, solvents, or electrolyte solutions
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10.1116/1.4791687
/content/avs/journal/jvsta/31/2/10.1116/1.4791687
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/31/2/10.1116/1.4791687
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Cathodic linear potential sweep (0.1 V/s) in 0.5 M sulfuric acid of a clean gold electrode (solid line), and an electrochemically oxidized gold electrode (dotted line).

Image of FIG. 2.
FIG. 2.

Measured ellipsometric parameters, Ψ and Δ, plotted as a function of wavelength for gold (solid line) and electrochemically formed gold oxide (dotted line) in air. These data were collected at an angle of incidence of 70°.

Image of FIG. 3.
FIG. 3.

Ellipsometric thickness of gold-oxide thin films in air (open square), THF (filled square), water (open circle), and ethanol (filled circle) as a function of time. The values reported are the average of three measurements, and the error bars represent the standard deviation of these measurements. All data were taken at 15-min time intervals; overlapping points have been shifted slightly in the horizontal direction for clarity.

Image of FIG. 4.
FIG. 4.

Low-energy ion scattering spectra from thin films of gold oxide thathad been exposed to air, or solutions of Bu4NPF6 or Bu4NBF4 in THF for 1 h.

Image of FIG. 5.
FIG. 5.

Ellipsometric thickness of gold-oxide thin films in THF solutions of Bu4NClO4 (open square), LiClO4 (filled square), Bu4NPF6 (open circle), and Bu4NBF4 (filled circle) as a function of time. The values reported are the average of three measurements, and the error bars represent the standard deviation of these measurements. All data were taken at 15-min time intervals; overlapping points have been shifted slightly in the horizontal direction for clarity.

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/content/avs/journal/jvsta/31/2/10.1116/1.4791687
2013-02-19
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Relative lability of gold-oxide thin films in contact with air, solvents, or electrolyte solutions
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/31/2/10.1116/1.4791687
10.1116/1.4791687
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