Schematic Representation of a Positron Annihilation Lifetime Spectrum using the Metal-Organic Framework CLAF-20 as an Example.

−20 0 20 40 60 80 100 120 140 160 180 200 10 1 10 2 10 3 10 4 Time / ns Counts / 50 ps per Ch 0 2 4 6 8 10 12 14 16 18 20 10 1 10 2 10 3 10 4 Time / ns Raw Data Raw Data PALS-Fit t 1 t 2 t 3 t 4 Triazole linker Oxalate Zn N C H O