Abstract

Three isostructural lanthanide metal–organic frameworks (Ln-MOFs, Ln = Eu3+, Tb3+, Dy3+) containing P-terphenyl-2,2″,4,4″-tetracarboxylate ligand (H4L) with red, green, and blue luminescence were solvothermally synthesized. Thus, a series of mixed Ln-MOFs, (EuxTbyDy1-x-y)(HL)(H2O)(DEF) (DEF, N,N-diethylformamide), were designed and obtained, which displayed highly temperature-tuned emission in the visible region, including white light emission. Additionally, tunable luminescence can also be achieved by changing the excitation wavelength.

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