Selective Hg(II) Sensing with Improved Stokes Shift by Coupling the Internal Charge Transfer Process to Excitation Energy Transfer

Versatile chemistry of the Bodipy chromophore allows modular assembly of an excitation energy donor, acceptor, and a cation selective ligand in just a couple of steps. The new approach should be applicable in other designs which target molecular sensors with large Stokes shifts and red to near IR emission.