Abstract
The hydrothermal reaction of Gd(III) salt with a new rigid dicarboxylate ligand, N,N′‑dioxide‑3,3′‑benzocinnoline dicarboxylic acid (H2L) give rise to a new metal-organic framework (MOF) {[Gd(L)1.5(H2O)2]·2H2O}n (1). The MOF 1 shows 3D microporous framework with 1D parallelogram like channels which are constructed by single rod-shaped {Gd(CO2)2}n chains. The thermal stability, UV/Vis diffuse-reflection spectra, magnetic properties of 1 in the temperature range 2–300 K have been explored. Also its photocatalytic property against the photo-degradation of aromatic dye Rhodamine B (Rh B) has been studied and the plausible photocatalytic mechanism has been addressed using density of states (DOS) calculations.
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