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Course Detail

Course Name Electro and Photocatalytic Material
Course Code 25CHY646
Program B.Sc. (Hons) in Chemistry
Credits 4
Campus Amritapuri , Coimbatore

Syllabus

Unit 1:

Basics of ElectrochemistryElectrochemical cells: Galvanic cell. Half reactions and reversible electrodes: metalmetal ion electrodes, Gas electrodes hydrogen electrode, oxygen electrode, oxygen electrode, Metal insoluble metal salt electrodes calomel electrode, oxidation reduction electrode. Over potential. Butler Volmer equation. The Nernst equation. Concentration cells: Electrode concentration cells, Electrolyte concentration cells. Ion solventinteraction. Ion transport. Debye Huckel treatment. Onsagar equation.

Unit 2:

CatalysisTheories of catalysis: Intermediate compound formation theory of catalysis, Adsorption theory of catalysis. Heterogeneous catalysis: classic gas/solid system, the concept of the active site, promoters, modifiers and poisons. Homogeneous catalysis: elementary steps in homogeneous catalysis, ligand exchange, oxidative addition, reductive elimination, insertion and migration, deinsertion and beta elimination, nucleophilic attack on a coordination site, industrial examples: Wacker oxidation process.

Unit 3:

Hydrogen evolutionSustainable energy source; renewable energy, hydrogen energy economy, hydrogen production, methods of hydrogen storage, hydrogen as an engine fuel. Hydrogen evolution:,Electrocatalytic and photocatalytic water splitting. Properties of electro/photocatalytic materials. Role of cocatalyst in hydrogen evolving reaction.Advantages of electro/photo catalyst in hydrogen evolution. Difficulties in the development of electro and photocatalyst.

Unit: 4:

Materials and its characterizationDoping with metals- nonmetals as modifiers. Dye sensitized Titania, Coupled semiconductors, conducting polymers as dopant, Supported Titania catalysts. Advanced techniques used in electrocatalysis: Electrochemical impedance analyzer-principle, OCP measurement, UV Visible spectro photometer, Photo simulator. GC analysis for hydrogen evolution rate.

Unit5:

Advanced electrochemical methodsPrinciple and applications of potentio dynamic polarization. Electrochemical impedance analysis : principle, applications, Nyquist and Bode plots, Different circuit used in impedance analysis. Principle of cyclic voltametry. Linear sweep voltametry linear potential wave form

Text Books / References

TEXT BOOKS/ REFERENCES:

1. J.O.M. Bokris and A.K.N. Reddy Modern Electrochemistry, Plenum.

2. D.R.Crow Principles and Applications of Electrochemistry S. Thomes.

3. Hans-Jurgen Butt, Karlheinz Graf, Michael Kappl ;Physics and Chemistry ofinterfaces,Wiley-VCH VerlagGmbh& Co.

4. Leite, Edson Roberto; Nano Structured Materials for Electrochemical Energy

5. R.de Levie, P.Delahay, Adv.Electrochem.Eng, Vol-6, Inter science, 1967. Productionand Storage-2009

6. Antoni Llobet, Molecular water oxidation catalysis, Wiley

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