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Hongyang Wang, Xiaofei Wang, Jianzhong Fan, Yong Zhou. Effect of substitution site on two-photon absorption and excited states properties of Lipid droplets detection NAPBr dyes: a theoretical perspective[J]. Chinese Journal of Chemical Physics .
Citation: Hongyang Wang, Xiaofei Wang, Jianzhong Fan, Yong Zhou. Effect of substitution site on two-photon absorption and excited states properties of Lipid droplets detection NAPBr dyes: a theoretical perspective[J]. Chinese Journal of Chemical Physics .

Effect of substitution site on two-photon absorption and excited states properties of Lipid droplets detection NAPBr dyes: a theoretical perspective

  • Received Date: 2020-07-30
  • Accepted Date: 2020-10-08
  • Rev Recd Date: 2020-09-16
  • Available Online: 2020-11-16
  • Two-photon fluorescence dyes have shown promising applications in biomedical imaging. However, the substitution site effect on geometric structures and photophysical properties of fluorescence dyes is rarely illustrated in detail. In this work, a series of new lipid droplets detection dyes are designed and studied, molecular optical properties and non-radiative transitions are analyzed. The intramolecular weak interaction and electron-hole analysis reveal its inner mechanisms. All dyes are proved to possess excellent photophysical properties with high fluorescence quantum efficiency and large stokes shift as well as remarkable TPA cross section. Our work reasonably elucidates the experimental measurements and the effects of substitution site on two-photon absorption and excited states properties of Lipid droplets detection NAPBr dyes are highlighted, which could provide a theoretical perspective for designing efficient organic dyes for lipid droplets detection in biology and medicine fields.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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