Organic-Inorganic Hybrid Materials: Syntheses, X-ray Diffraction Study, and Characterisations of Manganese, Cobalt, and Copper Complexes of Modified Bis(phosphonates)

Pd/SiO2 organic-inorganic hybrid materials were prepared by adding PdCl2 into methyl-modified silica sol. The Pd/SiO2 hybrid materials were characterized by X-ray diffraction (XRD), fourier transform infrared (FTIR) and X-ray photoelectron spectroscopy (XPS). The effects of calcination temperature and Pd-doping on the phase transition of Pd element and the thermal stability of CH3 group in the Pd/SiO2 organic-inorganic hybrid materials were investigated. The results showed that the reduced metallic Pd0 exhibits good thermal stability under H2 atmosphere in the calcination process. Pd element in noncalcined Pd/SiO2 materials exists in PdCl2 form, calcination at 200 °C in a H2 atmosphere produces some metallic Pd0 and calcinations at 350 °C results in the complete transformation of Pd2+ to metallic Pd0. With the increase of calcination temperature, the Pd0 particle sizes increase and the hydrophobic Si−CH3 bands decrease in intensity. As the calcination temperature is greater than or equal to 350 °C, the loading of metallic Pd0 nearly has no influence on the chemical structure but, with the increase of Pd content, the formed Pd0 particle size increases. To keep the hydrophobicity of Pd/SiO2 membrane materials, the optimal calcination temperature is about 350 °C under H2 atmosphere.

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Isostructural organic–inorganic hybrid compounds: triethylcholine tribromidocadmate and triethylcholine tribromidomercurate

Acta Crystallographica Section C Structural Chemistry ◽

10.1107/s2053229615013303 ◽

2015 ◽

Vol 71 (8) ◽

pp. 728-732

Author(s):

Dong-Yan Wang ◽

Xue-Li Hou ◽

Xue-Nan Li

Keyword(s):

Hydrogen Bonding ◽

Hybrid Materials ◽

X Ray Diffraction ◽

Inorganic Hybrid ◽

One Dimensional ◽

X Ray ◽

Hybrid Compounds ◽

Trigonal Bipyramidal ◽

Hydrogen Bonding Interactions ◽

Distorted Trigonal Bipyramidal

In order to search for new anionic architectures and develop useful organic–inorganic hybrid materials in halometallate systems, two new crystalline organic–inorganic hybrid compounds have been prepared,i.e. catena-poly[triethyl(2-hydroxyethyl)azanium [[bromidocadmate(II)]-di-μ-bromido]], {(C8H20NO)[CdBr3]}n, (1), andcatena-poly[triethyl(2-hydroxyethyl)azanium [[bromidomercurate(II)]-di-μ-bromido]], {(C8H20NO)[HgBr3]}n, (2), and the structures determined by X-ray diffraction analysis. The compounds are isostructural, crystallizing in the space groupP21/n. The metal centres are five-coordinated by bromide anions, giving a slightly distorted trigonal–bipyramidal geometry. The crystal structures consist of one-dimensional edge-sharing chains ofMBr5trigonal bipyramids, between which triethylcholine counter-cations are intercalated. O—H...Br hydrogen-bonding interactions are present between the cations and anions.

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Organic–Inorganic Hybrid Materials Doped with Eu3+, Tb3+, La3+ and Lithium Ions

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.200.38 ◽

2013 ◽

Vol 200 ◽

pp. 38-44 ◽

Cited By ~ 3

Author(s):

Elzbieta Zelazowska ◽

Ewa Rysiakiewicz-Pasek ◽

Maria Borczuch-Laczka

Keyword(s):

Hybrid Materials ◽

Sol Gel ◽

Tetraethyl Orthosilicate ◽

Butyl Methacrylate ◽

X Ray Diffraction ◽

Lithium Ions ◽

Inorganic Hybrid ◽

X Ray ◽

Morphology And Structure ◽

Organic Precursors

Organic-inorganic hybrid materials doped with Eu3+, Tb3+ La3+ and lithium ions were produced by sol-gel method using Tetraethyl orthosilicate and poly(methyl methacrylate), ethyl methacrylate, butyl methacrylate, ethyl acetyloacetate as inorganic and organic precursors. Morphology and structure of the hybrids heated at 125°C were characterized by Scanning electron microscopy equipped with Energy dispersive X-ray spectroscopy (SEM/EDS, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), 29Si MAS Nuclear Magnetic Resonance. In all the hybrids, photoluminescence emissions from (5D3), 5D4 →7FJ and 5D0→7FJ transiSuperscript texttions of Eu3+ and Tb3+ ions were revealed.

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