ArF laser photolytic deposition and thermal modification of an ultrafine chlorohydrocarbon

MW ArF laser irradiation of gaseous cis-dichloroethene results in fast decomposition of this compound and in deposition of solid ultrafine Cl- and H-containing carbonaceous powder which is of interest due to its sub-microscopic structure and possible reactive modification of the C-Cl bonds. The product was characterized by electron microscopy, and FTIR and Raman spectra and it was revealed that HCl, H₂, and C/H fragments are lost and graphitic features are adopted upon heating to 700°C.