Unconventional Fluorescence in Aliphatic Hyperbranched Polyphosphate Esters: Role of End-Group Engineering and Mechanistic Insights into the Emission Behavior.

end-groups relative to hydroxyl groups exhibited pronounced red-shifted fluorescence. Furthermore, these polymers showed potential applications in pH and ion sensing as well as in the fabrication of fluorescent hydrogels. This study provides new mechanistic insights into the emission behavior of unconventional fluorescent polymers.