Understanding Voltammetry (2nd Edition)World Scientific Publishing Company, 15 nov 2010 - 444 páginas New Edition: Understanding Voltammetry (3rd Edition)The power of electrochemical measurements in respect of thermodynamics, kinetics and analysis is widely recognized but the subject can be unpredictable to the novice even if they have a strong physical and chemical background, especially if they wish to pursue the study of quantitative measurements further. Accordingly, some significant experiments are perhaps wisely never attempted while the literature is sadly replete with flawed attempts at rigorous voltammetry.This textbook considers how to go about designing, explaining and interpreting experiments centered around various forms of voltammetry (cyclic, microelectrode, hydrodynamic, etc.). The reader is assumed to have attained a knowledge equivalent to Master's level of physical chemistry but no exposure to electrochemistry in general, or voltammetry in particular. While the book is designed to “stand alone”, references to important research papers are given to provide an introductory entry into the literature.In comparison to the first edition, two new chapters — transport via migration and nanoelectrochemistry — are added. Minor changes and updates are also made throughout the textbook to facilitate enhanced understanding and greater clarity of exposition. |
Índice
1 | |
2 Electrode Kinetics | 35 |
3 Diffusion | 77 |
4 Cyclic Voltammetry at Macroelectrodes | 107 |
5 Voltammetry at Microelectrodes | 157 |
6 Voltammetry at Heterogeneous Surfaces | 197 |
Coupled Homogeneous Kinetics and Adsorption | 239 |
8 Hydrodynamic Electrodes | 291 |
9 Voltammetry for Electroanalysis | 347 |
Migration and Other Effects | 367 |
11 Voltammetry at the Nanoscale | 397 |
Appendix | 419 |
A2 Boundary Conditions | 420 |
A4 Backward Implicit Method | 421 |
A5 Conclusion | 423 |
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A]bulk acetonitrile adsorbed American Chemical Society back peak behaviour boundary conditions bulk solution cell channel electrode Chapter charge Chem chemical potential concentration profiles convection corresponding curves cyclic voltammetry Cyclic voltammograms dendrimers diffusion coefficient diffusional electrochemical rate constant electrochemically reversible electrochemistry electrode kinetics electrode potential electrode process electrode reaction electrode surface electrolyte electron transfer equation equilibrium experimental Fe(CN ferrocene Fick's Figure flux follows formal potential Gibbs energy interface ions irreversible limiting current linear mass transport measured mechanism microdisc electrode microelectrode molecule nanoparticles Nernst Nernst equation oxidation parameters particles peak current permission from Elsevier permission from Ref planar platinum potential step potentiostat pyrolytic graphite R.G. Compton radius rate constant reactants redox reduction Reprinted from Ref Reprinted with permission rotating disc electrode Section shown in Fig shows simulation steady-state Tafel timescale two-electron values voltage scan rate voltammetric response