An organic white light-emitting fluorophore

J Am Chem Soc. 2006 Nov 1;128(43):14081-92. doi: 10.1021/ja0632207.

Abstract

The synthesis of new benzo[a]- and [b]xanthene dye frameworks is described. A unique benzo[a]xanthene, seminaphtho[a]fluorone (SNAFR-1), is studied in a variety of media. The optimization of solution parameters and excitation wavelengths allows SNAFR-1 to display red, green, and blue emission bands of approximately equal intensities and also to produce white light. Ratiometric red (anion) and green (neutral) emissions are observed upon varying solution pH. A pH-independent violet-blue emission band is due to the addition of nucleophiles to the benzylic carbon of SNAFR-1.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Cell Line
  • Fluorescent Dyes / chemistry*
  • Fluorescent Dyes / metabolism
  • Humans
  • Hydrogen-Ion Concentration
  • Light*
  • Spectrometry, Fluorescence
  • Spectrophotometry, Ultraviolet

Substances

  • Fluorescent Dyes