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Synthesis, Characterization and Two-Photon Absorption Properties of a Novel Pyridinium Salt

         

摘要

A novel pyridinium salt,2,4-bis[p-(N,N-dimethylamino)styryl]-N-methyl pyridinium iodide(BMSPI)was synthesized and characterized by TG,1H NMR spectroscopy and elemental analysis,and the reaction process was studied by using ES-MS.When BMSPI was pumped by a pulsed 1064 nm,50 ps laser beam,it manifests highly efficient TPA(Two-Photon Absorption)and up-conversion superradiance.The up-conversion efficiency was 6.0% at the pump energy of 4-6 mJ and the lifetime of two-photon fluorescence was measured as 59 ps.

著录项

  • 来源
    《中国化学(英文版)》 |2004年第4期|354-359|共6页
  • 作者单位

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    Department of Chemistry,Fuyang Normal School,Fuyang,Anhui 236032,China;

    X-ray Crystallography Laboratory,School of Physics,Universiti Sains Malaysia,11800 USM,Penang,Malaysia;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    State Key Laboratory of Coordination Chemistry,Nanjing University,Nanjing,Jiangsu 210093,China;

    State Key Laboratory of Crystal Materials,Shandong University,Jinan,Shandong 250100,China;

    State Key Laboratory of Crystal Materials,Shandong University,Jinan,Shandong 250100,China;

    Department of Chemistry,Anhui University,Hefei,Anhui 230039,China;

    State Key Laboratory of Crystal Materials,Shandong University,Jinan,Shandong 250100,China;

    X-ray Crystallography Laboratory,School of Physics,Universiti Sains Malaysia,11800 USM,Penang,Malaysia;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 化学;
  • 关键词

    pyridinium salt; two-photon induced fluorescence; reaction mechanism;

    机译:吡啶鎓盐;双光子诱导荧光;反应机理;
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