Application of a Versatile Polymer Precursor strategy in Zinc Oxide Nanoparticle Synthesis，2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）-中国聚合物网,论文下载

Application of a Versatile Polymer Precursor strategy in Zinc Oxide Nanoparticle Synthesis

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Zinc Oxide Nanoparticle Synthesis

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分子表征

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2005年新型纤维与聚合物材料国际学术会议（10.19-10.21，上海）

简介：

Webuiltanewstrategyinsynthesisofmetaloxides,whichstartsfromwetchemistryroutetoformametalpolyacrylateprecursorundermildandsimplepreparationconditions.ThemethodiscompatibletoawiderangeofmetalslikeZn,Mg,Snforproductionoftheircorrespondentoxidesormixed-metaloxidenanoparticleswithhomogeneousmorphologyandprecisestoichiometry.Zincisselectedasthemodelsystemtoproveoftheconceptofthestrategyduetothesimplecrystalstructureofzincoxideanditsincreasinginterestsinindustrialapplicationandfundamentalresearch.ThezincmineralizedpolymerprecursorisamorphousasconfirmedbyX-raydiffraction(XRD)patterns.Dynamiclightscattering(DLS)andviscometryaswellasUVresultsrevealthatzinccationsmainlycomplextosinglepolyacrylatechain.Thetransformationfrompolymerprecursorviadegradation,evolution,crystallizationintoZnOcrystalduringpyrolysisisinvestigatedbymeansofXRD,TG-MSandUV.Theas-synthesizedZnOismainlyindividualparticleswithdiameterabout40nmfromelectronmicroscopy.Effectsofvariousparametersliketemperature,polymermolecularweightandnucleationdensityontheZnOmorphologywerestudiedanditsopticalpropertieswereinvestigatedbyFTIR,fluorescenceandelectronparamagneticresonance(EPR).

作者：

Guangqiang Lu Ingo Lieberwirth Gerhard Wegner

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2007-08-07 16:16:35

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