Abstract
Photoinduced nucleation (PIN) experiments using CS2 and CS2/ethanol vapors have been carried out in a flow photochemical reactor. Following ultraviolet irradiation of the CS2-containing vapors, photoinduced nucleated particles were captured and characterized using mass spectrometry and Raman spectroscopy. Results of the analysis confirm the presence of S8 molecules in the particles produced by PIN of CS2 vapor. Additional results consistent with these data but involving PIN of CS2 in supersaturated 1-propanol also from this laboratory are reviewed. The role of sulfur in the PIN mechanism is discussed in the context of these particle characterization results and the gas-phase photochemistry of CS2 and is shown to be consistent with an earlier description of CS2 PIN from this laboratory.
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