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Fig. 2 | PhotoniX

Fig. 2

From: CsPbBr3/graphene nanowall artificial optoelectronic synapses for controllable perceptual learning

Fig. 2

Characterization of CsPbBr3 QDs and GNWs. a A TEM image of CsPbBr3 QDs on. The inset is the size distribution of QDs. b A HRTEM image of CsPbBr3 QDs. c A side-view SEM image of the GNWs sample. d Raman spectra of GNWs and CsPbBr3 QDs on GNWs. e PL spectra of CsPbBr3QDs on GNWs and a quartz substrate under 450 nm laser beam excitation. f PL life constant measurement of CsPbBr3 QDs on GNWs and a quartz substrate

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