预览加载中，请您耐心等待几秒...

基于石墨烯石墨烯卷轴复合薄膜高灵敏度柔性压力传感器（英文）.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于石墨烯石墨烯卷轴复合薄膜高灵敏度柔性压力传感器（英文） Title:HighlySensitiveFlexiblePressureSensorBasedonGraphene-GrapheneOxideCompositeThinFilm Abstract: Flexiblepressuresensorswithhighsensitivityholdgreatpromiseforapplicationsinwearableelectronics,healthcaremonitoring,robotics,andhuman-machineinterfaces.Inthispaper,weproposeanoveldesignandfabricationofahighlysensitiveandflexiblepressuresensorbasedonagraphene-grapheneoxidecompositethinfilm.Thesensorexhibitsexcellentmechanicalflexibility,highsensitivity,andfastresponsetime.Thecombinationofgrapheneandgrapheneoxideinthecompositefilmenhancesthesensingperformance,leadingtoimprovedsensitivityandstability. Introduction: Flexiblepressuresensorshavegainedsignificantattentionduetotheirpotentialapplicationsinvariousfields,suchashealthcaremonitoring,electronicskin,artificialintelligence,andwearabledevices.Graphene,atwo-dimensionalcarbonmaterialwithextraordinaryelectricalandmechanicalproperties,hasshowngreatpotentialforhigh-performancesensorapplications.However,thepuregraphene-basedpressuresensorsoftensufferfromlimitedsensitivityandresponsetime.Toovercometheselimitations,theintegrationofgraphenewithothermaterialshasbeenexplored.Grapheneoxide(GO),aderivativeofgraphene,hasattractedconsiderableinterestduetoitsuniquepropertiessuchashighsurfaceareaandgooddispersibility.ThecombinationofgrapheneandGOinacompositefilmcanprovideimprovedperformanceforpressuresensors. Methods: Thegraphene-grapheneoxidecompositethinfilmwasfabricatedusingasimplesolution-basedmethod.Firstly,grapheneoxide(GO)waspreparedfromnaturalgraphiteflakesbyamodifiedHummers'method.TheobtainedGOwasthenexfoliatedtographeneoxidesheetsandsubsequentlyreducedtographenethroughamildthermalreductionprocess.Thepreparedreducedgrapheneoxide(rGO)wasthendispersedintoasuitablesolventalongwithapolymermatrix,suchaspolydimethylsiloxane(PDMS).Theresultingdispersionwascoatedontoaflexiblesubstrate,followedbydryingandcuringprocessestoobtainthegraphene-rGOcompositethinfilm.Finally,thecompositefilmwaspatternedtoformanar