Introduction to molecular photochemistry: Photochemical laws, electronic absorption spectra of organic and inorganic compounds. Radiative and non-radiative processes. Nature of electronically excited states (singlets and triplets). Jablonski diagrams, Kasha’s rule, experimental methods in photochemistry.

Organic photochemistry: The intermolecular processes: excimers, exciplexes, energy transfer processes, electron or proton transfer reactions. Fluorescence, phosphorescence and thermally activated delayed fluorescence in organic systems. Effect of solvents on these processes. Fluorescence quenching mechanisms (static and dynamic), Stern-Volmer analysis. Photochemical name reactions: Norrish type I and II cleavage, Patero-Buchi reaction, de Mayo reaction etc.

Frontier orbital correlation diagrams of photochemical reactions, photochemistry of alkenes and dienes, photochemistry of carbonyl compounds, photochemistry of aromatic compounds, photosynthesis.

Photochromism. Bioluminescent and photo-luminescent reactions.

Introduction to inorganic photochemistry. photochemical kinetics. Photoelectrochemistry of excited states  of  inorganic compounds. Redox reactions. Photosensitization. Photochemical reactions: substitution, decomposition and fragmentation, rearrangement, and redox reactions. Photochemistry in  biological processes and their model studies.

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