New photocatalytically active isostructural two-dimensional mixed metal-pyridine dicarboxylates, [M(H2O)3Co{C5N1H3(COO)2}3])∞], M = Gd (1), Dy (2) and Y (3) have been prepared under hydrothermal conditions. The structure consists of a network of MO6(H2O)3, CoO3N3 polyhedral units connected by the pyridine dicarboxylates forming two-dimensional layers, which are arranged in an AAAA... fashion. The photocatalytic studies on 1 – 3 indicate that they are active catalysts for the degradation of simple organic dyes, such as Remazol brilliant blue R (RBBR) and Orange G (OG) in the presence of UV light. The compounds have also been characterized by powder XRD, IR, TGA, UV-Vis and magnetic studies.
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S.N thanks the Department of Science and Technology (DST), Government of India, for the award of a research grant.
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Mahata, P., Madras, G. & Natarajan, S. New photocatalysts based on mixed-metal pyridine dicarboxylates. Catal Lett 115, 27–32 (2007). https://doi.org/10.1007/s10562-007-9067-z
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DOI: https://doi.org/10.1007/s10562-007-9067-z