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The Pyridyl Functional Groups Guide the Formation of Pd Nanoparticles Inside A Porous Poly(4-Vinyl-Pyridine)

2015

The reactivity of palladium acetate inside a poly(4-vinylpyridine-co-divinylbenzene) polymer is strongly influenced by the establishment of interaction between the Pd precursor and the pyridyl functional group in the polymer. Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and simultaneous X-ray absorption near edge structure (XANES) and small angle X-ray scattering (SAXS) techniques have been applied to monitor the reactivity of palladium acetate in the presence of H-2 and CO as a function of temperature. H-2 reduces palladium acetate to Pd nanoparticles and acetic acid. The pyridyl groups in the polymer play a vital role both in stabilizing the formed acetic acid, thu…

INFRARED-SPECTRADiffuse reflectance infrared fourier transformpolymersmall angle X-ray scatteringInfrared spectroscopychemistry.chemical_elementPALLADIUM(II) ACETATEIR spectroscopy; nanoparticles; palladium; polymers; small angle X-ray scattering; X-ray absorption spectroscopyPhotochemistryCatalysisCatalysisInorganic ChemistryAcetic acidchemistry.chemical_compoundRUTHENIUM NANOPARTICLESPARTICLE FORMATIONENVIRONMENTALLY BENIGNReactivity (chemistry)Physical and Theoretical ChemistryCARBON-MONOXIDEpolymerschemistry.chemical_classificationPOLYMERIC SUPPORTSnanoparticleIN-SITUOrganic ChemistryIR spectroscopy; nanoparticles; palladium; polymers; small angle X-ray scattering; X-ray absorption spectroscopy; Inorganic Chemistry; Organic Chemistry; Physical and Theoretical Chemistry; CatalysisX-ray absorption spectroscopyPolymerpalladiumchemistryIR spectroscopynanoparticlesPalladium(II) acetateTRANSITION-METAL COORDINATIONRESOLVED SAXS ANALYSISPalladium
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