Inderscience Publishers

Semiconductor layered nanomaterials to encapsulate organic compounds

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Semiconductor nanomaterials (FePS3 and MnPS3) were intercalated with organic compounds, N,N'-dimethyl-4,4'-bipyridinium (DBP) and pyridinium cations. The resultant compounds have been characterised by X-ray diffraction (XRD). Insertion of the DBP expands lattice spacing by 3.4Å with respect to FePS3 and MnPS3. There was no phase transformation of leaving the intercalated sample in open atmosphere. Insertion of pyridinium expands lattice spacing by 3.4Å and 5.9Å with respect to FePS3 and MnPS3. Phase transformation occurred after leaving the sample in open atmosphere for few days. The molecular size of intercalates may play a role in the lattice expansions. The XRD patterns exhibit sharp <00l> reflections of the intercalated compounds. This means that materials are of crystalline nature. The intercalation of such materials enables the encapsulation of hazardous organic compounds, such as DBP, which may be applied safely.

Keywords: layered materials, intercalation, organic compounds, X-ray diffraction, XRD, lattice spacing, crystal structure, semiconductor nanomaterials, nanotechnology, pyridinium, phase transformation, hazardous compounds

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