简介：Probingtheopticalpropertiesofmolybdenumdisulfide（MoS2）isvitaltoitsapplicationinplasmon-enhancedspectroscopy,catalysts,sensing,andoptoelectronicdevices.Inthispaper,wetheoreticallystudiedtheRamanandfluorescencepropertiesofmonolayerMoS2usingtip-enhancedspectroscopy（TES）.Inthestrong-couplingTESsystem,theRamanandfluorescenceenhancementfactorscanbeturnedtoashighas4.5×108and3.3×103,respectively,byoptimizingthetip–MoS2-filmdistance.OurtheoreticalresultsnotonlyhelptodeeplyunderstandtheTESpropertiesofmonolayerMoS2,butalsoprovidebetterguidanceontheapplicationsofthenoveltwo-dimensionalmaterial.
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