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 Wysłany: Pon 20:31, 29 Lis 2010 Temat postu: sheepskin ugg boots Amphiphilic block copolymer mo |
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Amphiphilic block copolymer modified Multi-walled Carbon Nanotubes
y; atomtransferradicalpoly-merization (pick No. 1018 on) PreparationandphotoluminescencestudyofnanometertitaniathinfilmYANGXiao-ru, GUOZhen-ning, LIJun-ren,sheepskin ugg boots, LIUMing-qiang (CollegeofInformationScienceandEngineering,tory burch flats sale, HuaqiaoUniversity, Quanzhou362021,true religion jeans, China) Abstract: Nanometertitaniathinfilmwe Po preparedbysol-gelprocess. Theobservationofscanningelectronmi-croscope (SEM) showsthatthethinfilmisuniformandthefilm-formingisgood. ThecomponentisanalyzedbyEDS. TheresultsofXRDshowthatthenanometertitaniathinfilmhasthestructureofanataseandrufflecrys-ta1. TheresultsofPLspectrashowthatthefluorescencepeakcorrespondstodifferentluminescencecenters, andthereisanevidentblueshiftofPLemisgioncomparedtothetheoryoftheTiO2bulk. Keywords: sol-gelprocess; nanometertitaniathinfilms; photoluminescence (pick No. 1021 on) Preparationofoil-・ solubleAunanoparticlesCHENShuang, MAIYi-Chi (DepartmentofChemicalandEnvironmentalEngineering,MAC Cosmetics Cheap, WuyiUniversity, Jiangmen529020, China) Abstract: DodecanethiolcappedAunanoparticlesweresuccessfullysynthesizedbyusingphasetransfermethod. Thediameterofthepreparednanoparticleswasabout2to7nm. Transmissionelectronmicroscopy,KART CAT, nanosizemeasurementsandinfraredspectroscopywereusedtocharacterizethepreparednanoparticles. ResultsindicatedthatdodecanethiolcappedAunanoparticleshavegooddispersioninnon-polarorganicsolvents. SurfacecappinglayernotonlypreventstheagglomerationoftheAunanoparticleseffectively, butalsomakestheparticleshaveanarrowsizedistributionwithcontrollablesize. Keywords: phase-transfer; surfacecapping; Aunanoparticle; particlesize
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