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1、磁性金纳米星论文：核壳结构磁性纳米复合粒子的制备及其催化性能的研究【中文摘要】超顺磁性Fe3O4纳米粒子（NPs）由于具有粒径小、灵敏度高、毒性低、磁响应性强、原料易得到等优点，被选为最佳的磁性材料。同时由于其在磁共振成像、磁力引导药物输送、热疗法以及磁分离方面的应用潜力，使以超顺磁性Fe3O4NPs为起始原料合成具有核壳结构的纳米晶体一直成为人们研究的焦点。本文提出一种室温条件下，采用晶种生长法在水相中合成磁性金纳米星的简易方法，该方法合成的纳米星不仅具有磁性，还在紫外可见光区还具有可调控的光学性质。同时，我们制备的磁性金纳米星对硼氢化钠【英文摘要】Manyat
2、temptshavebeenmadetoexploreFe3O4nanoparticles（NPs）withsuperparamagneticasthestartingmaterialtoconstructnanocrystalswithacore-shellstructure,duetotheirmultiplepotentialapplicationsinmagneticresonanceimaging（MRI）,magneticrecordingdevices,magneticallyguideddrugdelivery,thermaltherapyandm
3、agneticseparation.Herein,afacilesyntheticroutetothepreparationofFe3O4@GNSspossessingmagnetizationandtunableopticalpropertiesfromvisibletonear-infrared（NIR）regionatroomtemperature.TheresultingFe3O4@GNSsdescribedhereshowwellcatalyticactivityforthereductionofpotassiumferricyanideasamodel
4、reaction.Importantly,thecatalyst,Fe3O4@GNSs,canbeeasilyrecycledwithanexternalmagnetandexhibitslong-life,goodreusabilityandstability.Additionally,inthisthesis,thesynthesisandpropertyofCu2Owereinvestigated.Cu2Onanocubeswithequirotalgrains,equirotalgrains,stablecharacterizationandFe3O4co
5、reshavebeensuccessfullufabricatedbysolution-phasereducingandaseededgrowthmethod.TheFe3O4@Cu2ONanocubeswasusedtoresearchonthephotocatalysisperformance,andwilldegradetheobjecttodecidetheorganicdyestuffasmethylblueastheindicator.TheFe3O4@Cu2ONanocubesmadebyourselveswillplayanimportrolein
6、thedegenerationofmethylblueundervisiblelight.Importantly,thecatalyst,Fe3O4@Cu2ONanocubes,canbeeasilyrecycledwithanexternalmagnet,andlong-lifeandgoodreusabilityusinganexternalmagneticfieldaredemonstrated.Thecharacterizationmethodusedherearetransmissionelectronmicroscopy（TEM）,scanningel
7、ectronmicroscopy（SEM）,UV-Visspectrophotometer,andetc.【备注】索购全文在线加好友：1.3.9.9.3.8848同时提供论文写作一对一指导和论文发表委托服务【关键词】磁性金纳米星核壳结构磁性氧化亚铜纳米立方催化剂循环利用性【英文关键词】Fe3O4@GNSscore-shellstructureFe3O4@Cu2ONanocubescatalystreusability【目录】核壳结构磁性纳米复合粒子的制备及其催化性能的研究摘要4-5Abstract5第一章综述8-271.1引言81.2纳米复合材料的制备方法8-13
8、1.2.1
