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Electronic bandgap measurement and transient experiment
Figure™1Influence of graphene on the electronic bandgap of MoS2 monolayer.(a) Optical microscope and AFM images of MoS2 monolayersolgraphene heterostructure. In the bottom, the scale bar is 2thinspmgrm. (b) Theoretically predicted energy band structure co
Figure™2Global fitting for transient absorption spectra of MoS2 monolayers.(a) Transient absorption spectra of MoS2 monolayers probed at different delay times under 400thinspnm excitation (pump density of 5thinspmgrJthinspcm-2, initial exciton density of
Free-carrier relaxation feature for C-—exciton hot carriers
Initial extraction process for C-—exciton hot carriers
Figure™3Excitation-density dependent transient behaviours on MoS2 monolayers.(a) Transient absorption spectra of MoS2 monolayers probed at 0.36thinspps under 400thinspnm excitation with different excitation power densities. (b) Reciprocal of decay traces
Femtosecond broadband transient absorption setup
GaborN. M.Hot carrier assisted intrinsic photoresponse in grapheneScience3346486522011BrongersmaM. L.HalasN. J.NordlanderP.Plasmon-induced hot carrier science and technologyNat. Nanotechnol.1025342015ShocklyW.QueisserH. J.Detailed balance limit of efficie
The authors would like to acknowledge the Natural Science Foundation of China (NSFC) under Grant Nos. 61590930, 21603083, 21473077 and 21273096, the National Basic Research Program of China (973 Program) under Grant No. 2014CB921302, and China Postdoctora
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