简介：ZrO2-SnO2compositenanoparticleswerepreparedbyheatingthehydrateprecursorssynthesizedbythechemicalco-precipitationreactionofZrOCl2andSnCl4.Theprecursorswereexaminedbydifferentialthermalanalysis(DTA)andthermogravimetricanalysis(TGA).ThecompositepowderwascharacterizedusingX-raydiffraction(XRD),transmissionelectronmicroscopy(TEM)anddesorptionisotherm(Barrett-Joyner-Halendamethod).Theaveragecrystalsizeofthenanoparticlerangesfrom15to30nmforthesamplecontaining5%-25%ZrO2(massfraction).MostoftheporesintheZrO2-SnO2nanoparficlesareabout10-20nmindiameter.Thecompositepowderispromisingforchemicalsensors.
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