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Information × Registration Number 0204U006379, 0104U008713 , R & D reports Title Two-photon induced photochemical processes in the large organic molecules popup.stage_title Head Bondar M.V., Registration Date 13-10-2004 Organization Institute of physics NASU popup.description2 The photochemical properties of a series of fluorene derivatives were investigated under one- and two-photon excitation in hexane, acetonitrile and methylene chloride. The quantum yields of the photoreactions, Ф, were measured in hexane and methylene chloride for comparison of the fluorene photostability under one- (UV-lamp) and two-photon (femtosecond laser) excitation. Under two-photon excitation, the quantum yield of the photoreaction in methylene chloride increased up to 2 orders of magnitude, Ф " 2 х 10-3, and exhibited strong dependence on excitation intensity.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close