Electrochemical noise of iodine reduction on a cadmium sulfide surface

Tyagai, V. A.; Lukyanchikova, N.

doi:10.1016/0039-6028(68)90133-7

Cited by 35 publications

(17 citation statements)

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“…The results described above seem to contradict results from Refs. [6,7]. High etch rates are reported for CdS in Iz/I-solutions.…”

Section: The Iodine Systemmentioning

confidence: 80%

“…7 Etch rate-potential and current-potential curves for a stationary CdS electrode in a flow-cell (flow rate 9.8 ml/min) containing a 0.01 M Br2, 0.1 M KBr solution When the ring is set to a more negative potential, Cd2+ is also reduced. The relation between ring current and disc potential is given by curve c in Fig.…”

Section: -Comentioning

confidence: 99%

“…Tyagai and Luk'yanchikova [7] reported somewhat lower etch rates. Dissolution of C d S generally requires two charge carriers and results in the formation of a S layer.…”

Section: Introductionmentioning

confidence: 97%

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Etching of CdS in Aqueous Halogen Solutions

Wit¹,

Kelly²

1991

Ber Bunsenges Phys Chem

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Dissolution of CdS in aqueous solutions of Br2 and I2 has been studied by ring‐disc voltammetry and flow‐cell measurements. The semiconductor is etched chemically at a considerable rate by Br2. CdS is dissolved in I2 solutions only when a high concentration of chloride ions is present. It is suggested that inter‐halogen species play a role. A novel chemical etching reaction was observed in the iodine case: cathodic reduction of iodine produces an intermediate capable of oxidizing the semiconductor.

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“…The results described above seem to contradict results from Refs. [6,7]. High etch rates are reported for CdS in Iz/I-solutions.…”

Section: The Iodine Systemmentioning

confidence: 80%

Section: -Comentioning

confidence: 99%

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Etching of CdS in Aqueous Halogen Solutions

Wit¹,

Kelly²

1991

Ber Bunsenges Phys Chem

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“…One such method is associated with researching the fluctuating electrochemical phenomena (electrochemical noise), which were systematically studied for the first time more than 30 years ago [1,2]. A variety of equilibrium and non-equilibrium electrochemical processes was studied using the electrochemical noise method [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Noise characterization of surface processes of the Li/organic electrolyte interface

2005

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The processes occurring in aprotic electrolyte on a lithium electrode in the steady state conditions and under polarization are studied using the method of electrochemical noise characterization. The evidence of the electrochemical noise measurements on polarized lithium electrodes indicates that the discharge of lithium ions under cathodic polarization, as well as lithium anodic dissolution, is localized under the passive film rather than on its surface. An increase in the polarizing current results in local breakdown of the film; in this case, the electrochemical process emerges on the electrode surface affecting the character of potential fluctuations. The intensity of electrochemical noise significantly increases in the course of cathodic polarization with high currents. The reason is that lithium metal crystals, which are formed under the passive film, perforate the film, and dendrites grow on its surface. The method shows the dependence of electrochemical noise intensity on the nature of the electrolyte and establishes the correlation between the stability of the lithium electrode in the course of cycling and the intensity of fluctuations. This offers an opportunity of using the method of electrochemical noise for screening organic electrolytes for lithium batteries.

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“…Fluctuations in current, or potential, have been used to analyze corrosion rates [7][8][9] and to investigate events leading to breakdown of passive films [10][11][12][13][14][15][16]. In semiconductor/electrolyte systems, it is also well established that kinetic information is contained in fluctuations in the current [17][18]. Fundamental sources of this measurable electrochemical noise are, however, poorly understood.…”

Section: -Introductionmentioning

confidence: 99%

Deterministic analysis of processes at corroding metal surfaces and the study of electrochemical noise in these systems

Latanision¹

1992

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Electrochemical noise of iodine reduction on a cadmium sulfide surface

Cited by 35 publications

References 0 publications

Etching of CdS in Aqueous Halogen Solutions

Etching of CdS in Aqueous Halogen Solutions

Noise characterization of surface processes of the Li/organic electrolyte interface

Deterministic analysis of processes at corroding metal surfaces and the study of electrochemical noise in these systems

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