CY7450 : Structure and Dynamics of Electrochemical Interfaces

Physical Chemistry
  • Equilibrium properties of charged interfaces; Metal/Electrolyte interface: Models for interfacial organisation of ions and dipoles; Solvent structure at interface; Phenomenological and microscopic models for dipolar polarization; Recent theories and their limitations; Cooper – Harrison catastrophe; Unified description of electrical double layer; Jellium models and their refinements; Influence of metal surface on differential capacitance.
  • Statistical mechanics of adsorption; Ising models; Variation of work function with surface coverages; ionic and dipolar adsorption isotherms; partial charge transfer; electrosorption valency and chemisorption.
  • Chemically modified electrodes: Nature of modifications of electrode surfaces – Applications in batteries, biosensors etc charge transfer through film covered electrodes – elucidation of mechanism of electrocatalysis – Saveiant zone diagram – electron hopping and diffusion coefficient – Redox capacity.
  • Non steady state electrochemical techniques: Need for transient analysis; Different types of diffusion; planar; cylindrical etc; Mathematical formalism; diffusion equations; choice of initial and boundary conditions; Laplace transform method of solutions; potential step perturbation; chronopotentiometry, Linear Sweep Voltammetry; Reversible and irreversible charge transfer schemes.


  1. W. Schmickler and D.Henderson, Progress in Surface Science, 22 323 (1986).
  2. F.Silva (Ed) Trends in interfacial Electrochemistry, NATO ASI series, 1987.
  3. A.J.Bard (Ed), Electroanalytical Chemistry, Vol.13, Plenum Press 1983.
  4. D.MacDonald, Transient Techniques in Electrochemistry, Plenum Press, 1977.