氧化石墨烯聚苯胺纳米复合材料的制备、表征及其潜在应用.doc

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1、氧化石墨烯/聚苯胺纳米复合材料的制备、表征及其潜在应用摘要氧化石墨烯、导电聚苯胺是重要的多功能材料，在高能量的锂电池、超级电容器、催化、太阳能电池、化学传感、生物传感等领域有着较高的研究价值和潜在应用。本文采用化学氧化法制得了氧化石墨烯，之后利用原位聚合途径合成了氧化石墨烯/导电聚苯胺纳米复合材料。采用透射电镜（TEM）,原子力显微镜(AFM)，红外光谱(FTIR)，UV-Vis，X-射线衍射（XRD）等进行了相应表征。为考察氧化石墨烯、氧化石墨烯/导电聚苯胺纳米复合材料的表面、界面特性，便于开发性能优异的纳电子器件，用所合成的

2、纳/微米结构材料及其复合材料构筑了QCM结构化学传感器原型器件，对器件的吸附响应特性进行了对比考察。探讨了存在的不足，并提出了一些改进的建议。Praparation,Characterizations,andItsPotentialApplicationsofPANi/GrapheneOxideNanocompositeAbstractGrapheneoxide(GO),nano/micro-structuredpolyaniline(PANi)aresometypicalimportantfunctionalmaterials

3、,whichhavemanyapplicationsinlithiumionbatterywithhighenergy,supercapacitor,catalysts,solarcells,nanodevices,chemicalsensors,biosensorsandbiomedicalfields.Inthispaper,GOwasobtainedbyusingchemicaloxidationmethodatroomtemperature,andnano/micro-structuredGO/PANicomposite

4、waspreparedwithin-situpolymerizationofanilineinthepresenceofGOsuspension.AseriesofcharacterizationswereexaminedbyTEM(transmissionelectronmicroscopy),AFM(AtomicForceMicroscope),XRD(X-raydiffraction),theFourier-TransformInfrared(FTIR)spectra,UV-Vis,etal.Toexaminethesur

5、faceandinterfacepropertiesofGO,GO/PANinanocomposite,chemicalprototypesensorswereconstructedbasedonGO,GO/PANinanocompositeandQCMdevice.Thecomparativeresponsebehaviorsofthesensortosometypicalvolatilecompoundsoperatingatroomtemperaturewereinvestigated.Theadsorptionfeatu

6、restosometypicalvolatilecompoundswerediscussed.Somekeyissuesandmodificationideasweresuggestedforfurtherinvestigation.