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No abstract

Photochemical dimerization of acenaphthylene was performed in various hydrophobized graphite oxide ®lms. A large quantity of acenaphthyelene was intercalated into hydrophobized graphite oxide. The conversion of acenaphthyelene increased with the increase of acenaphthyelene contents in the intercalation compounds. Syn/anti ratio of acenaphthylene dimers increased with the increase of acenaphthylene contents and became larger in intercalation compounds containing alkyl amine with shorter alkyl chain probably because of the difference in diffusion rate of exited molecules.

Fluorescence from Rhodamine B in hydrophobized graphite oxide was greatly enhanced by perfluoroalkyl chains, likely due to the lower radiationless quenching by low vibrational C–F bonds.