Influence of temperature on rotational diffusion of dipolar laser dyes in glycerol
作者： K.H. Nagachandra , J.R. Mannekutla , M.A. Shivkumar , S.R. Inamdar
DOI: 10.1016/J.JLUMIN.2011.09.049
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摘要: Abstract Temperature dependent rotational diffusion of three medium sized dipolar laser dyes viz., Fluorescein 27 (F27), Na (FNa) and Sulforhodamine B (SRB) has been studied in glycerol using both steady-state time-resolved fluorescence depolarization techniques. The reorientation times these probes are observed to vary linearly as a function viscosity over the range temperature studied. results have discussed analyzed light Stokes–Einstein–Debye (SED) hydrodynamic theory. follow trend that is well within slip stick limits. Finally, applicability quasihydrodynamic models Geirer–Wirtz (GW) Dote–Kivelson–Schwartz (DKS) with view understand nature solute–solvent interactions.
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