Interfacial impedance behaviour of polished and paint platinum electrodes at Na2WO4-Na2MoO4 solid electrolytes

Bottelberghs, P.H.; Broers, G.H.J.

doi:10.1016/s0022-0728(76)80332-4

Cited by 99 publications

(28 citation statements)

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“…Therefore, a condition of observation this effect of the influence of the external light on the electrode potential is an essential enhancement of the electric field of the order of 10 5 ÷ 10 6 times due to the surface plasmon resonance that yields the respond/enhanced electric field of the order of 10 6 ÷ 10 7 V/cm. Effect of this giant enhancement of the external low-intensity light is considered in the quasi-static approximation.…”

Section: The Poisson-boltzmann Equationmentioning

confidence: 99%

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Electro-chemical manifestation of nanoplasmonics in fractal media

Baskin

Iomin

2013

Open Physics

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Abstract:Electrodynamics of composite materials with fractal geometry is studied in the framework of fractional calculus. This consideration establishes a link between fractal geometry of the media and fractional integrodifferentiation. The photoconductivity in the vicinity of the electrode-electrolyte fractal interface is studied. The methods of fractional calculus are employed to obtain an analytical expression for the giant local enhancement of the optical electric field inside the fractal composite structure at the condition of the surface plasmon excitation. This approach makes it possible to explain experimental data on photoconductivity in the nano-electrochemistry. PACS

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Section: The Poisson-boltzmann Equationmentioning

confidence: 99%

“…An enhancement of the electrolysis current due to a rough metal-electrode interface was first observed in 1926 [5][6][7]. The further enhancement can be also observed when the electrolysis set up 676 Brought to you by | MIT Libraries Authenticated Download Date | 5/11/18 5:53 AM is extend to the light electromagnetic field 1 [8,9].…”

Section: Introductionmentioning

confidence: 95%

Electro-chemical manifestation of nanoplasmonics in fractal media

Baskin

Iomin

2013

Open Physics

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“…Most formally this means that the classical representation of the impedance, Z = R n + (l~0Cd) -1, is replaced by an expression of the form [8]:…”

Section: (Ii 1) the Meally Polarized Electrodementioning

confidence: 99%

“…1. Equations (la) and (lb) are such that the Kramers-Kronig relations [8,12] apply to the real and imaginary components, indicating that, in principle, this admittance could have physical relevance:…”

Section: (Ii 1) the Meally Polarized Electrodementioning

confidence: 99%

“…Also at solid electrodes interfering effects, especially contamination and surface roughness, are hkely to be present, but apart from these a more marked behavlour has frequently been observed and reported [4][5][6][7][8]: instead of a vertical straight line, the complex impedance diagram exhibits a straight line intersecting the Z'-axls at (R a, 0) at an angle smaller than 90 °. In other words, the electrode impedance consists of a resitance R a in series with a complex impedance Z c with the special property that its phase angle is independent of frequency.…”

Section: (I) Introductionmentioning

confidence: 99%

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The analysis of electrode impedances complicated by the presence of a constant phase element

Brug¹

1984

Journal of Electroanalytical Chemistry

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The electrical double-layer at a solid electrode does not m general behave as a pure capacitance but rather as an impedance displaying a frequency-independent phase angle different from 90 o Ways are indicated how to analyse the interracial impedance ,f such a complication arises in the presence of a faradalc process, both on the supposition that the double-layer behavlour is due to surface mhomogenelty and on the supposition that it is a double-layer property per se As examples, the equations derived are successfully apphed to a totally Irreversible and an ac quasi-reversible electrode process at a gold electrodeAccording to conventional double-layer theories, the impedance Z of an ideally polarized electrode consists of a capacitance (Cd) in series with the solution resistance (R e), and consequently the corresponding complex plane diagram (Z" vs. Z') should exhibit a straight vertical line intersecting the horizontal axis at Z' = R e, while the ordinates along this line equal Z" = (~0Cd) -a.This ideal behaviour is experimentally best observed at mercury/(aqueous) solution interfaces, for example at a dropping mercury electrode (DME), a hanging mercury drop electrode (HMDE), or a mercury pool electrode. Deviations from ldeality may occur in these cases, owing to rather trivial effects such as capdlary response or creeping [1], shielding by the glass capillary [2,3], and contamination of the mercury surface. The result of such effects is usually a curved complex plane plot, approaching the straight vertical line at higher frequencies. A less trivial deviation may be caused by diffusion-controlled adsorption of species present at a low concentration.Also at solid electrodes interfering effects, especially contamination and surface roughness, are hkely to be present, but apart from these a more marked behavlour 0022-0728/84/$03 00

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2018

Impedance Spectroscopy

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Interfacial impedance behaviour of polished and paint platinum electrodes at Na2WO4-Na2MoO4 solid electrolytes

Cited by 99 publications

References 10 publications

Electro-chemical manifestation of nanoplasmonics in fractal media

Electro-chemical manifestation of nanoplasmonics in fractal media

The analysis of electrode impedances complicated by the presence of a constant phase element

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