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Polycyclic Aromatic Hydrocarbon Solute Probes. Part VI: Effect of Dissolved Oxygen and Halogenated Solvents on the Emission Spectra of Select Probe Molecules

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Fluorescence emission properties of pyrene, benzo[ghi]perylene, coronene, and ovalene dissolved in carbon tetrachloride, chloroform, and dichloromethane are reported. Measurements indicate that the emission intensities of select solutes are time dependent, and suggest that the polycyclic aromatic hydrocarbon molecule undergoes a photochemical reaction with the chlorinated solvent. The effect of dissolved oxygen on the experimental ratio of emission intensities is also reported.

Keywords: Fluorescence

Document Type: Research Article


Affiliations: 1: Department of Chemistry, Kent State University, Kent, Ohio 44242 2: Department of Chemistry, University of North Texas, Denton, Texas 76203-5068 3: Chevron Research Company, Richmond, California 94802-0627

Publication date: February 1, 1990

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