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Fig. 1 | Nano Convergence

Fig. 1

From: Improved optical performance of multi-layer MoS2 phototransistor with see-through metal electrode

Fig. 1

a Schematic diagram of the conventional bottom gate structure MoS2 photo-TFT, b height profile of the MoS2 layers, c Raman spectra of MoS2 samples with different numbers of layers. The left and right red lines indicate the positions of the \( {\text{E}}^{ 1}_{{ 2 {\text{g}}}} \) and A1g peaks in the mono-layer MoS2, respectively. d Frequencies of the \( {\text{E}}^{ 1}_{{ 2 {\text{g}}}} \) and A1g Raman peaks (left side axis) and their difference (right side axis) with different numbers of MoS2 layers

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