Amide-functional lanthanide metal-organic frameworks: smart double ratiometric fluorescent sensing of thiodiglycolic acid and tunable luminescence

Two series of isostructural Ln-MOFs and Ln-doped MOFs were synthesized. Tb-DMF and Tb-DMA are the first to achieve double ratiometric fluorescence sensing of TDGA in real urine. Meanwhile, the doped Ln-MOFs achieve the regulation of emission colors.