Rational design of fluorescent viscosity sensors by the principle of photoinduced electron transfer
To establish a new strategy for the development of fluorescent viscosity sensors by the principle of photoinduced electron transfer, three 4-aminonaphthalimide based D-(CH2)2-A molecules were designed and synthesized. The effects of solvent polarity and viscosity on the fluorescence spectra of these compounds were investigated. These compounds exhibit viscosity-sensitive fluorescence spectra in ethylene glycol-glycerol mixtures. A mechanism about exciplex formation was proposed to explain their viscosity sensitivity.
Wu, Zhiyong,Cui, Jingnan,Qian, Xuhong
p. 2575 - 2578
(2013/06/26)
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