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Selective intercalation of o-phenylene diamine into molybdenum oxide layers
Authors:Ke Shao  Hui Qun Cao  Qi Qiu
Affiliation:College of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, People's Republic of China
Abstract:o-Phenylene diamine molecules were intercalated into molybdenum oxide layers by an in situ co-precipitation method. The structure and composition of the intercalated material were studied by X-ray diffraction (XRD), infrared spectroscopy (IR) and elemental analysis. XRD data evidenced a layered structure with a spacing of 18 Å, which corresponds to an organic-inorganic hybrid-layered structure. IR and UV-vis spectra indicated the polymerization of o-phenylene between the molybdenum oxide layers. It was also observed that compared with aniline molecules, o-phenylene diamine molecules can be selectively intercalated into molybdenum oxide layers. We provide evidence that affinity for o-phenylene diamine to form intermolecular polymers is the reason for its selective intercalation. The polymer chain structure of o-phenylene diamine makes it a preferential guest species compared with aniline. We believe that this opens a new way to create organic-inorganic hybrid structures.
Keywords:A  Composites  A  Layered compounds  B  Intercalation reactions
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