M型钡铁氧体石墨烯聚苯胺复合物的制备与吸波性能研究.pdf

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1、M型钡铁氧体/石墨烯/聚苯胺复合物的制备与吸波性能研究维结构及电学性能变化研究属性及产物的结构研究2013万方数据ClassifiedIndex:O469U.D.C:53SouthwestUniversityofScienceandTechnologyMasterDegreeThesisFabricationandmicrowaveabsorptionperformanceofMtypeBaFe12O19/graphene/polyanilineGrade:2013Candidate:FengMingzhuWangAcademicDegre

2、eAppliedfor:MasterSpeciality:PhysicsSupervisor:Prof.PengTongjiangApr.18,2016万方数据独创性声明关于论文使用和授权的说明()万方数据西南科技大学硕士研究生学位论文第I页摘要HummersGOMBaM）GOBaMBaM/RGOBaM/RGOM//BaM/RGO/PANI）SEMXRDFT-IRGOBaM、BaM/RGOBaM/RGO/PANIVSMVAMC-OHC-O-C-COOHC-O-C-COOHC-OHC-OHC-OH,KMnO41:34.50mmol·g-1MB

3、aM）n(Fe3+)/n(Ba2+)8200n(OH-)/n(Cl-)512hMMs=35.52emu/gMr=16.99emu/gHc=1.242kOe2.0mm16.16GHz-11.24dB1.49GHz1.8mm-10dB15.9GHz18.0GHzBaM/RGOGORGO，BaMBaMBaMBaM/RGORGOGO3%BaM/RGO；13.8GHz-21.40dB-10dB万方数据西南科技大学硕士研究生学位论文第II页4.46GHzBaM。BaM/RGO/PANIBaM/RGOPANIBaM/RGOBaM/RGOPANIPANI6

4、%BaM/RGO/PANI13.42GHz-44.92dB-10dB5.0GHz1.8mm关键词：///万方数据西南科技大学硕士研究生学位论文第III页AbstractInthispaper,graphiteoxidewaspreparedbymodifiedHummuersmethod,andMtypebariumferrite(BaFe12O19)wassynthesizedbyhydrothermalmethod.Bariumferrite/ReducedGrapheneOxide(BaM/RGO)binarycomplexmater

5、ialwaspreparedbyultrasonicaddedhydrothermalreduction,takingGOandBaFe12O19asprecursors.Andthen,BaM/RGO/PANIwassynthesizedthroughPANIcoatedontheBaM/RGOsurfacebyin-situpolymerization.Themorphology,structureandspectroscopycharacteristicsoftheGO,BaM,BaM/RGOandBaM/RGO/PANIcompos

6、itewerecharacterizedbyScanningelectronicmicroscopy(SEM),X-raydiffraction(XRD),andFouriertransforminfraredspectra(FT-IR).TheVibratingsamplemagnetometer(VSM)andVectornetworkanalyzer(VNA)wereusedtoanalyzedthemicrowaveabsorbingperformanceandmagneticparametersofBaM,BaM/RGOandBa

7、M/RGO/PANIcomposite.TheeffectsofdifferentpercentageofRGOandPANIonmicrowaveabsorbingperformanceofbinaryandternarycompositeswasfurtherfurtherresearched.Theresultsshowedthatgraphitestructurelayeroxidizedhavevariousoxygen-containingfunctionalgroupssuchashydroxylgroup(C-OH),car

8、boxygroup(-COOH),andepoxygroup(C-O-C),whichgivesstrongion-exchangeofGO.Withtheincreasingo