Abstract
Abstract Photodissociation of carbon disulphide in the gas phase has been carried out in the 285–305 nm region using an excimer laser pumped (308 nm) dye laser. It was observed that CS 2 undergoes multiphoton excitation/dissociation and the photofragment S atoms and CS radicals were detected in the excited 3 1 D 2 and 3 1 S 0 and a 3 Π states respectively by the REMPI technique (same colour). The observation of the photofragments in various energy states shows that photodissociation is taking place from more than one excited surface. The various photodissociation channels are discussed. It has been observed that CS 2 is excited to 3 d Rydberg states by two-photon excitation and the excited states of CS 2 have been tentatively assigned by correlation with the photoproducts.
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