A 2,5-diaryl-1,3,4-oxadiazole-based fluorescent probe for rapid and highly selective recognition of hydrogen sulfide with a large Stokes shift through switching on ESIPT

A new 2,5-diaryl-1,3,4-oxadiazole-based ratiometric fluorescent probe (OXDNP) for rapid and highly selective recognition of hydrogen sulfide has been developed.152