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. 2019 Feb 27;11:16. doi: 10.1007/s40820-019-0244-6

Fig. 4.

Fig. 4

a Configuration diagram of Cs2AgBiBr6-based photodetector. b Band scheme diagram of Cs2AgBiBr6/SnO2 heterojunction. c Responsivity of photodetector at zero bias. d Long-term stability test of Cs2AgBiBr6-based photodetector. Reproduced with permission from Ref. [91]