Novel Photocatalysts for the Decomposition of Organic Dyes Based on Metal-Organic Framework Compounds

Three novel metal-organic frameworks (MOFs) [Co2(C10H8N2)][C12H8O(COO)2]2, 1, [Ni2(C10H8N2)2][C12H8O(COO)2]2·H2O, 2, and [Zn2(C10H8N2)][C12H8O(COO)2]2, 3, with three-dimensional structures have been synthesized and characterized. The structures of the three compounds appear somewhat related, formed...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2006-07, Vol.110 (28), p.13759-13768
Main Authors: Mahata, Partha, Madras, Giridhar, Natarajan, Srinivasan
Format: Article
Language:English
Subjects:
Catalysis
Cobalt - chemistry
Cobalt - radiation effects
Fluorescent Dyes - chemical synthesis
Fluorescent Dyes - chemistry
Fluorescent Dyes - radiation effects
Kinetics
Nickel - chemistry
Nickel - radiation effects
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Organometallic Compounds - radiation effects
Photochemistry
Temperature
Time Factors
Ultraviolet Rays
Zinc - chemistry
Zinc - radiation effects
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Summary:Three novel metal-organic frameworks (MOFs) [Co2(C10H8N2)][C12H8O(COO)2]2, 1, [Ni2(C10H8N2)2][C12H8O(COO)2]2·H2O, 2, and [Zn2(C10H8N2)][C12H8O(COO)2]2, 3, with three-dimensional structures have been synthesized and characterized. The structures of the three compounds appear somewhat related, formed by the connectivity involving the metal polyhedra (Co4N trigonal bipyramids in 1, NiO4N2 octahedra in 2, and ZnO4 tetrahedra and ZnO3N2 trigonal bipyramids in 3), 4,4‘-oxybis(benzoate), and 4,4‘-bipyridine. The photocatalytic studies on 1−3 indicate that they are active catalysts for the degradation of orange G, rhodamine B, Remazol Brilliant Blue R and methylene blue. The compounds have also been characterized by powder X-ray diffraction, IR, thermogravitmetric analysis, UV−vis, photoluminescence, and magnetic studies.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp0622381