Heat-resistant Pb(ii)-based X-ray scintillating metal-organic frameworks for sensitive dosage detection via an aggregation-induced luminescent chromophore.

The synergy of unusual X-aggregation induced luminescent chromophores and heavy Pb(II) ions has facilitated excellent X-ray scintillation of two structurally similar Pb-SMOFs, which are heat-resistant due to solvent-free lattices. Owing to higher Pb(II) contents, Pb-SMOFs with larger X-ray absorption coefficient are more sensitive to X-ray dosage detection than powdered CsPbBr3.