A ratiometric and colorimetric luminescent thermometer over a wide temperature range based on a lanthanide coordination polymer

A lanthanide coordination polymer Tb(0.957)Eu(0.043)cpda was synthesized as a ratiometric and colorimetric luminescent thermometer. The high triplet excited state energy of a linker enables Tb(0.957)Eu(0.043)dcpda to detect and visualize temperature over a wide range from cryogenic to room temperature (40-300 K).