Multiphoton dissociation of thiophene with 532 and 355 nm

The fragmentation of thiophene was investigated using incident laser radiation with two wavelengths, 532 and 355 nm. The results indicate that the intense fragmentation of thiophene molecules decreases at high radiation intensities as was evidenced by the ion C+. Additionally, the effect of wavelength on the formation of the parent ion, as well as the production of lighter fragments, such as C2H2+, is examined. Finally, the dissociation between thiophene and furan to assess the influence of heteroatoms on the fragmentation of these heterocyclic molecules is compared. Our observations reveal the role of hydrogen migration on these heteroatoms.