XPost: sci.chem   
   From: a202010@lycos.com-   
      
   Timothy Sutter wrote:   
      
   > Timothy Sutter wrote:   
      
   > > Salmon Egg wrote:   
      
   > > > Can a dopant be considered to be an auxochrome?   
      
   > > if you were to say that a 'sensitizer' heightens   
   > > the luminosity of the 'activator,' then you could   
   > > say it was 'like' an auxochrome which may heighten   
   > > the intensity of the chromophore's color,   
      
   > > is it -possible- to make a useful analogy?   
      
   > > maybe sort of...   
      
   > it's sort of like, you'd be saying the -cloth-   
   >  was the host lattice for the dye   
      
   > in the same way as CaF2 is the host lattice   
   > for Eu3+ ions.   
      
   > but in this respect, Eu3+ would -be- the 'dye'   
      
   > but then you'd be saying that it was something   
   > about the CaF2 lattice that set up an energetic   
   > situation in the europium that resulted   
   > in the fluorescence,   
      
   at least insamuch as different lattices   
    may result in different spectra.   
      
      
      
   > whereas, you wouldn't say that there was anything   
   > about the -cloth- that comntributed to the color   
   > of the dye, at all.   
      
   > so, any analogy would probably be centered around   
   > the case of a sensitizer/activator where the sensitizer   
   > could be said to be behaving somewhat like an auxochrome   
   > in the overall crystal system.   
      
   > if you just have an activator and no sensitizer,   
   > there doesn't seem to be any real similarity at all.   
      
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