Luminescence responsive sensing mechanism in rare earth metal-organic framework hybrid materials

In this chapter, all types of luminescence responsive sensing mechanisms appearing in rare earth metal-organic framework (MOF) hybrid materials are covered. The chapter contains four main sections: (1) The luminescence responsive sensing mechanism for MOF-based materials; (2) The ligand-metal energy transfer (LMET) for luminescence response in chemical sensing in rare earth MOF hybrid materials; (3) The photo-induced energy transfer (PET) and fluorescence (Förster) resonance energy transfer (FRET) for luminescence response in chemical sensing rare earth MOF hybrid materials; (4) Special interactions for luminescence response in chemical sensing in rare earth MOF hybrid materials. It should be stated that all the sensing mechanisms are related to the luminescent response from the influence on ligand-RE3 + ion energy transfer through the interaction between analytes and units (RE3 + ions, ligands, or guests, or MOF functionalization) of rare earth MOF hybrid materials. In addition, rare earth functionalized MOF hybrid materials (REFMOFHs) belong to the typical systems for realizing the previously mentioned sensing mechanism, as compared to the pure rare earth MOF materials.