作者：金凤; 叶志峰; 廖荣宝; 乔凌燕; 陶栋梁; ...triphenylaminecrystalstructureexcitedfluorescencebioimaging
摘要：An electron donor-π-bridge-electron acceptor (D-π-A) optical functional organic compound comprising a triphenylamine moiety as the electron donor and pyridine moiety as the electron acceptor was synthesized. The structure of the compound was solved by single-crystal X-ray diffraction analysis. It crystallizes in monoclinic, space group P21, with a = 9.753(5), b =8.815(5), c = 25.554(5)A,β= 96.315(5)°, V= 2184(2) A^3,Z=2, Dc=1.136 g/m^3, F(000)= 792, Mr = 746.92,μ= 0.069 mm^-1, the final R = 0.0658 and wR = 0.1730 for 6790 observed reflections with I > 2(1). Study of nonlinear optical properties shows that the compound exhibits excellent two-photon excited fluorescence with the two-photon absorption cross-section value of 116 GM. The structure-property relationship was researched in detail through X-ray crystallography and quantum chemical calculation. Result of living cell imaging experiment shows its potential in fluorescence microscopy bioimaging.
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