Figure 3 | Scientific Reports

Figure 3

From: Photonic synaptic transistors with new electron trapping layer for high performance and ultra-low power consumption

Figure 3

(a) Field emission scanning electron microscopy (FE-SEM) cross-sectional image of triple-layer device and surface image of SnO2 and CsPbBr3. (b) Photograph of 5 × 4 array of triple-layer device. (c) Optical microscopy image of source/drain electrode. (d) UV–vis absorption spectra of SnO2, TIPS, CsPbBr3, CsPbBr3/TIPS, SnO2/CsPbBr3/TIPS films, respectively.

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