An organic white light-emitting fluorophore

作者：Yang Youjun; Lowry Mark^*; Schowalter Corin M; Fakayode Sayo O; Escobedo Jorge O; Xu Xiangyang; Zhang Huating; Jensen Timothy J; Fronczek Frank R; Warner Isiah M; Strongin Robert M

来源：Journal of the American Chemical Society, 2006, 128(43): 14081-14092.

DOI：10.1021/ja0632207

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.

• 出版日期2006-11-1