Week 1: Fundamental Principles of Photochemistry, Absorption of light by molecules: direct and indirect excitation, electronically excited states, types of excitation, and laws of photochemistry. Photophysical processes: radiative (fluorescence, phosphorescence), non-radiative (state-to-state crossing, vibrational relaxation), combination of radiative and non-radiative processes, Jablonski diagram.
Week 2: Homogeneous and heterogeneous photoelectron transfer reactions: principles and few selected examples Classification of photochemical reactions ( adiabatic, Non-adiabatic, and Hot-ground reactions), Franck-Condon principle, Quantum Yield
Week 3: Photochemistry of Alkenes: Intramolecular reactions of the olefinic bond: geometrical isomerism, cyclization reactions, rearrangement of 1, 4-and 1, 5-dienes, photochemistry of barrelene, dibenzobarrelene, dibenzoyl alkene, dibenzoyl alkenes.
Week 4: Photochemistry of Carbonyl Compounds: Intramolecular reactions of carbonyl compounds: saturated, cyclic and acyclic Photochemistry of α, β - Unsaturated and - β, λ unsaturated compounds, and Cyclohexadienone.
Week 5: cycloaddition reactions of carbonyl compounds to alkenes (intra and intermolecular) oxetane formation, stereochemistry of the product.
Week 6: Photochemistry of Aromatic Compounds: Photoinduced isomerizations of benzene and its alkyl derivatives, 1, 2; 1, 3 and 1, 4-photocycloaddition reactions of benzene. Nucleophilic photosubstitution reactions in aromatic compounds.
Week 7: Named Photochemical Reactions: Photo-Fries rearrangement. Barton reaction, Hoffmann-Loeffler- Freytag reaction, Singlet molecular oxygen reactions Photo-Bergman cyclisation. Photochemical, Nazarov cyclization. Photo-Favorskii rearrangement, Bicyclic rearrangement, Photochemical Wolf
Week 8: Heterogeneous photoinduced electron transfer reactions: semiconductor mediated reactions, synthesis of visible light active catalyst. Characterization using different analytical techniques. Photocatalytic performance by studying the degradation of organic compounds in aqueous suspension under visible light
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