AN OVERVIEW OF MECHANISTIC MODELS IN PHOTOCHEMISTRYPhotochemistry is concerned with reactions derived from molecules with electronic redistributioninduced by electronic promotion commonly known as electronic excitations.These photochemical reac-tions are inseparable from concurrent physical phenomena(e.g.emission and absorption of light,heatevolution,etc.),known as photophysics.Mechanistic studies of modern photochemistry e(?)olved along AN OVERVIEW OF MECHANISTIC MODELS IN PHOTOCHEMISTRY PHOTO-CHEMISTRY is concerned with reactions derived from molecules with electronic redistribution derived from electronic promotion commonly known as electronic excitations. These photochemical reac-tions are inseparable from concurrent physical phenomena (egemission and absorption of light, heatevolution, etc.) , known as photophysics. Mechanical studies of modern photochemistry e (?) olved along