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RISHydrothermal syntheses of two inorganic–organic hybrids based on highly preorganized 2,9-bis(hydroxymethyl)-1,10-phenanthroline ligand and Keggin type polyoxometalates
Polyoxometalates (POMs) as an important inorganic ligands are polynuclear metal–oxygen clusters with excellent electronic versatility and structural diversity. Keggin type POMs are one of the most fascinating groups because of their distinctive...
Synthesis of Useful Contamination-Free Silver Nanoparticle Suspensions by Using Polyoxometalate
The objective of this article is to use a Keggin polyoxometalate, H3PW12O40, at different
cocentration, in chemical photoreduction of silver nitrate to synthesize silver nanoparticle
suspension. In this method, Formaldehyde and PVP...
Synthesis and X-ray characterization of a new hybrid based polyoxometalates
in catalysis, magnetism, and sensitive devices, supramolecular materials, electro/photochromic systems, sensors, macromolecular crystallography and medicine [1]. Also, Keggin-type POMs have been mostly employed due to its size suitability and structure...
Keggin Heteropolyacid Catalyzed Synthesis of Isoxazolo-[5,4-d] pyrimidine-4,6(5H,7H)-diones at room temperature
Isoxazolo[5,4-d]pyrimidine-4,6(5H,7H) diones 2a-2f have been synthesized from the reaction of ethyl 5-amino-3-methyl-4-isoxazole carboxylate(1) with aryl isocyanates in the presence of keggin heteropolyacid H3[PW12O40] as a green solid acid catalyst...
Synthesis and Crystal Structure of Tris(L-iso-leucinium(2S,3S))-dodecatungstophosphate 4.5 hydrate
The asymmetric unit of the title salt contains two symmetrically independent [PW12O40]3– polyoxoanions, six L-isoleucinium (2S,3S) cations and nine solvent water molecules. The anion shows a classical a-Keggin structure, which consists of a central...
Mechanistic insights into the activation process in electrocatalytic ethanol oxidation by phosphomolybdic acid-stabilised palladium(0) nanoparticles (PdNPs@PMo12)
A Keggin type polyoxometalate (POM), phosphomolybdic acid (PMo12), has been employed to encapsulate and stabilise pseudo-spherical Pd(0) nanoparticles (PdNPs). The resulting nanohybrid phosphomolybdic acid-stabilised PdNPs (PdNPs@PMo12) were...
Hydrothermal synthesis of two inorganic–organic hybrids supported by Keggin type polyoxometalates and pyridine-3,5-dicarboxylic acid
With the rapid development of science and technology and the trend of multidisciplinary pervasion, inorganic-organic hybrids based polyoxometalate (POM), has developed one of the most rapidly growing and challengeable areas ...
Synthesis, X-ray crystal structure and spectroscopic characterization of a hybrid material based on glycine and a-Keggin type polyoxotungstate
An solvated hybrid material was synthesized from glycine and alpha-Keggine type polyoxometalate under normal condition....
Spectroscopic studies on tungstoheteropolyanions functionalized by amino acids
The 19 new inorganic-organic hybrid compounds based on Keggin, Preyssler and Wells-Dawson – types tungstoheteropolyanions and fairly complete series of essential amino acids were prepared and the structure of these materials is investigated...
A Novel Hybrid Material Based on Two Symmetrically Independent Keggin
Novel polyoxometalate-based organic-inorganic hybrid [NH3-CH(CH3)COOH][H3O]8[PMo12O40]3.4NH3CH(CH3)COO was
synthesized and characterized by 31P, 1H, 13C NMR and IR spectroscopies, elemental analysis and single crystal ...