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Blue two-photon excited fluorescence of several D-p-D, A-p-A, and D-p-A compounds featuring dimesitylboryl acceptor☆
Journal of Organometallic Chemistry 689(2004)2201-2206，-0001，（）：
Several donor-p-donor (D-p-D), acceptor-p-acceptor (A-p-A), and donor-p-acceptor (D-p-A) types of organic compounds with fluorene as p bridge and dimesitylboryl group as electron acceptor, which show strong two-photon excited blue fluorescence, have been synthesized and structurally investigated. The symmetric A-p-A type of compound exhibits the shortest wavelength of twophoton excited fluorescence (TPEF) at λem=405 nm under the excitation of λex=730nm; the unsymmetric D-p-A type of compound with diphenylamino as donor exhibits the most intense TPEF at blue region (λem=484 nm) with a two-photon absorption cross-section of 425GM under λex=800nm.
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