Abstract

Three porous lanthanide metal-organic frameworks (Ln-MOFs) [Ln(BCB)(DMF)]∙(DMF)m(H2O)n (Ln=Yb3+ (1), Er3+ (2), Dy3+ (3), DMF=N,N′-dimethylformamide) have been successfully prepared using 4,4′,4″-benzenetricarbonyltribenzoic acid (H3BCB) as organic linkers. X-ray diffraction analysis reveals that these ketone group decorated complexes are isostructural, and each form a three-dimensional structure possessing two types of one-dimensional channels along the c axis. Moreover, the near-infrared luminescence properties of the three complexes were also investigated.

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