Fig. 5: The germanium/perovskite heterojunction photodetector energy band model and optical characterization. | Light: Science & Applications

Fig. 5: The germanium/perovskite heterojunction photodetector energy band model and optical characterization.

From: Germanium/perovskite heterostructure for high-performance and broadband photodetector from visible to infrared telecommunication band

Fig. 5

a Energy-band diagrams for two isolated semiconductors and heterojunction device (type I energy band). b Time-resolved PL decay and intensity (inset) comparison for the pristine and hetero-structure perovskite. c Iph-V curves for pristine perovskite and heterojunction photodetector.

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