简介:One-dimensional(1D)nanomaterialsandnanostructureshavereceivedmuchattentionduetotheirpotentialinterestforunderstandingfundamentalphysicalconceptsandforapplicationsinconstructingnanoscaleelectricandoptoelectronicdevices.Zincsulfide(ZnS)isanimportantsemiconductorcompoundofII-VIgroup,andthesynthesisof1DZnSnanomaterialsandnanostructureshasbeenofgrowinginterestowingtotheirpromisingapplicationinnanoscaleoptoelectronicdevices.Thispaperreviewstherecentprogresson1DZnSnanomaterialsandnanostructures,includingnanowires,nanowirearrays,nanorods,nanobeltsornanoribbons,nanocables,andhierarchicalnanostructuresetc.Thisarticlebeginswithasurveyofvariousmethodsthathavebeendevelopedforgenerating1Dnanomaterialsandnanostructures,andthenmainlyfocusesonstructures,synthesis,characterization,formationmechanismsandopticalpropertytuning,andluminescencemechanismsof1DZnSnanomaterialsandnanostructures.Finally,thisreviewconcludeswithpersonalviewstowardsfutureresearchon1DZnSnanomaterialsandnanostructures.
简介:Withthebirthofgraphenewithfasnicatingproperties,noveltwo-dimensionalnanomaterialshaveobtainedconsiderabledevelopmentsinthelastdecade.Amongthem,BNnanosheetshavebeenintensivelyinvestigatedbecauseoftheirlargeelasticmodulus,highmelting-point,superbthermalconductivityandlargedirectbandgap,whichcanbeusedinultraviolet-lightemitter,
简介:ThecompositenanofibersofSrTiO3/SrFe12O19withamolarratioof1:1anddiameterabout120nmwerepreparedbyelectrospinning.Effectsofcalcinationtemperatureontheformation,crystallitesize,morphologyandmagneticpropertywerestudiedbyinfraredspectroscopy,X-raydiffraction,scanningelectronmicroscopyandvibratingsamplemagnetometer.Thebinaryphaseofstrontiumferriteandtitanatewasformedafterbeingcalcinedat900℃for2handthecompositenanofiberswerefabricatedfromnanograinsofSrTiO3about24nmandSrFe12O19around33nm.ThecrystallitesizesforthenanofibersincreasewithincreasingcalcinationtemperatureandtheadditionofSrTiO3hasanobvioussuppressioneffectonSrFe12O19graingrowth.Thespecificsaturationmagnetizationandremanencetendtoincreasewiththecrystallitesize.Withincreasingcalcinationtemperaturefrom900to1050℃,thecoercivityincreasesinitially,achievingamaximumvalueof520.2kA·m-1at950℃,andthenshowsareductiontendency.
简介:设计象建筑学,孔,机械性质和表面性质那样的脚手架的骨头织物的性质在细胞的反应上有重要效果并且在骨头新生起一个重要作用。在这研究,threedimensionalnanocomposite脚手架由钙磷酸盐(帽子)组成nanoparticles并且poly(hydroxybutyrate-co-hydroxyvalerate)(PHBV)共聚物与控制了外部、内部的体系结构成功地经由选择激光sintering(SLS)被生产,万用的快速的原型技术之一。Ca-P/PHBVnanocomposite脚手架有一个孔(对类脂化合物peroxidation的61.75ct。他们的IC50价值是196和273牯敭吗?