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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Pronounced Photovoltaic Response from Multi-layered MoTe2 Phototransistor with Asymmetric Contact Form

Fig. 4

Spatial-resolved photocurrent images of D1 as a function of V sd. a The optical image together with the electrical setup. b Spatial-resolved photocurrent images at V bg = 0 V and V sd = − 0.1, 0.01, 0, 0.01, and 0.1 V, respectively. c Spatial-resolved photocurrent images at V bg = 5 V and V sd varies from − 0.1 to 0.1 V. d Spatial-resolved photocurrent images at V bg = 5 V and V sd = 0.5 V. e I PC profile at V bg = 0 V and f I PC profile at V bg = 5 V taken along dashed line in Fig. 4a. The scale bars are 5 μm in all figures

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