Potential Step Chronoamperometry at Microdisc Electrodes: Effect of Finite Electrode Kinetics

被引：20

作者：

Belding, Stephen R. ^{[1
]}

Rogers, Emma I. ^{[1
]}

Compton, Richard G. ^{[1
]}

机构：

[1] Univ Oxford, Dept Chem, Phys & Theoret Chem Lab, Oxford OX1 3QZ, England

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 10期

关键词：

TEMPERATURE IONIC LIQUIDS; EXPONENTIALLY EXPANDING MESH; DIFFUSION-PROCESSES; EFFICIENT SIMULATION; REDUCTION; SERIES; COEFFICIENTS; VOLTAMMETRY; DERIVATION; FERROCENE;

D O I：

10.1021/jp810888w

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Potential step chronoamperometry at microdisc electrodes is studied for a simple one electron reduction (A + e(-) reversible arrow B). Simulations are used to explore quantitatively the effect of electrode kinetics on the current-time transients resulting from such measurements. The use of these transients to extract kinetic parameters, within the Butler-Volmer formulation, is discussed, and the procedure illustrated using the one electron electroreduction of oxygen in n-hexyltriethylammonium bis(trifluoromethanesulfonyl)imide ([N-6,N-2,N-2,N-2][NTf2]) as a model experimental system.

引用

页码：4202 / 4207

页数：6

共 39 条

[1] ONLINE COMPENSATION OF OHMIC DROP IN SUBMICROSECOND TIME RESOLVED CYCLIC VOLTAMMETRY AT ULTRAMICROELECTRODES [J].

AMATORE, C ;

LEFROU, C ;

PFLUGER, F .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1989, 270 (1-2) :43-59

[2] THEORY OF ULTRAMICROELECTRODES [J].

AOKI, K .

ELECTROANALYSIS, 1993, 5 (08) :627-639

[3]

AOKI K, 1981, J ELECTROANAL CHEM, V122, P19, DOI 10.1016/0368-1874(81)87338-8

[4] Unusual voltammetry of the reduction of O2 in [C4dmim][N(Tf)2] reveals a strong interaction of O2•- with the [C4dmim]+ cation [J].

Barnes, Alexander S. ;

Rogers, Emma I. ;

Streeter, Ian ;

Aldous, Leigh ;

Hardacre, Christopher ;

Wildgoose, Gregory G. ;

Compton, Richard G. .

JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (35) :13709-13715

[5]

Compton RG., 2018, UNDERSTANDING VOLTAM, DOI [DOI 10.1142/Q0155, 10.1142/q0155, DOI 10.1142/6430]

[6]

Cottrell FG, 1903, Z PHYS CHEM-STOCH VE, V42, P385

[7] MEASUREMENTS WITHIN THE DIFFUSION LAYER USING A MICROELECTRODE PROBE [J].

ENGSTROM, RC ;

WEBER, M ;

WUNDER, DJ ;

BURGESS, R ;

WINQUIST, S .

ANALYTICAL CHEMISTRY, 1986, 58 (04) :844-848

[8] SPATIOTEMPORAL DESCRIPTION OF THE DIFFUSION LAYER WITH A MICROELECTRODE PROBE [J].

ENGSTROM, RC ;

MEANEY, T ;

TOPLE, R ;

WIGHTMAN, RM .

ANALYTICAL CHEMISTRY, 1987, 59 (15) :2005-2010

[9] Oxidation of N,N,N′,N′-tetraalkyl-para-phenylenediamines in a series of room temperature ionic liquids incorporating the bis(trifluoromethylsulfonyl)imide anion [J].

Evans, RG ;

Klymenko, OV ;

Hardacre, C ;

Seddon, KR ;

Compton, RG .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 2003, 556 :179-188

[10] A comparative electrochemical study of diffusion in room temperature ionic liquid solvents versus acetonitrile [J].

Evans, RG ;

Klymenko, OV ;

Price, PD ;

Davies, SG ;

Hardacre, C ;

Compton, RG .

CHEMPHYSCHEM, 2005, 6 (03) :526-533

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