Intensity and lifetime ratiometric luminescent thermometer based on a Tb(iii) coordination polymer

A 3D coordination polymer of Tb( iii ) of formula [Tb(bttb) 0.5 (2,5-pzdc) 0.5 ] n , where two polycarboxylate ligands act as linkers, exhibits a maximum relative sensitivity of 0.76% K −1 at 295 K.