Graphene-based electronic sensor

Graphene-based electronic sensor

ID:39715252

大小:1.62 MB

頁數(shù):9頁

時(shí)間:2019-07-09

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1、ViewArticleOnline/JournalHomepage/TableofContentsforthisissueChemicalScienceDynamicArticleLinksC

2、27thMarch2012DOI:10.1039/c2sc20205kGraphene,thearchetypaltwo-dimensionalmaterial,isattractingincreasingattentionduetoitsuniqueandsuperiorproperties.Theatomicthicknessofthegraphenesheetisextremelysensitivetowardsthechangeoflocalenvironment,makingitanidealchannelmateria

3、lin?eld-effecttransistorsusedaselectronicsensors.Inthisminireview,wereviewthegraphene-basedelectronicsensorsfordetectionofvariouschemicalsandbiomolecules.We?rstintroducethedifferentkindsofgraphenematerialsusedintheelectronicsensorsandhowtheyaffectthedevicesensingperfo

4、rmance.Thenwefocusontheuseofthereducedgrapheneoxideforthefabricationofcost-ef?cient,high-yieldandhighlyreproduciblesensingdevices.IntroductionsemiconductingCNTs,12CNTthin?lms13andCNTarrays14havebeenemployedaschannelsinhigh-performanceelectronicDetectionofchemicalandbi

5、ologicalmoleculeswithhighsensi-15sensors.Inaddition,conjugatedpolymerthin?lmsandorganictivityandselectivityiscrucialtonotonlyawiderangeof7singlecrystalshavealsobeenusedaschannelsinsomeotherresearch?elds,butalsovariouspracticalapplications,suchaselectronicsensors.detec

6、tionofgasleakage,diagnosisofdiseasesandhealthcare,Therecentlydevelopedtwo-dimensional(2D)material,gra-etc.Manysensingapproaches,suchaselectrochemistry,1–3phene,16–18isattractingincreasingattentionduetoitswiderangesurfaceenhancedRamanspectroscopy(SERS)4andsurfaceofelec

7、tronicsapplicationsintransparentelectrodes19–24andplasmaresonance(SPR),5havebeenusedtodevelophighlyactivematerialforenergyharvesting25andstorage,26andchannelsensitiveandselective,lowcostsensingdevicesaimingatthe27–33materialsforFETs.Besidesthesuperiorelectronicproper-

8、detectionofnumeroustoxicchemicalsandinparticular,bio-34,35ties,grapheneoffershigh?exibilityandbiocompatibility,moleculesinth

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