Charge-Transfer Emission in Nonplanar Three-Coordinate Organoboron Compounds for Fluorescent Sensing of Fluoride


  • This work was supported by the Natural Sciences and Engineering Research Council of Canada.


original image

A real turn-on: Two nonplanar three-coordinate boron compounds were synthesized as fluorescent sensors for fluoride that utilize charge-transfer emission. The fluorescence of one of the sensors turns on (see picture) and the other turns off in the presence of fluoride.