Study on Fluorescences of Anthroic Esters in Different States

Some alkyl esters of anthroic acid and alkylene esters of two anthroic acids were synthesized. Their absorption and fluore scence spectra in various media with different properties were determined. Among them, the esters with long chains were fabricated in LB films and characterized by fluouescence microscopy and transmission electron microscopy. They were also spin-coated in PMMA. Compared fluorescence spectra in various environments, it is found that the fluorescence of anthroic esters depends on their existing states.