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. Author manuscript; available in PMC: 2020 Sep 20.
Published in final edited form as: Nat Electron. 2020 Mar 20;3(3):156–164. doi: 10.1038/s41928-020-0382-3

Figure 3. Characterizations of the perovskite diode when working as a photodetector.

Figure 3

a, Current-voltage (I-V) curves of the perovskite photodetector under dark and illuminated light (with different light powers). b, Specific detectivity of the perovskite photodetector under different reverse biases, and the electroluminescence (EL) spectrum of the same perovskite diode under forward bias. c, Transient photocurrent (TPC) characteristics at 0 V bias of perovskite photodetectors with different device areas. d, Continuous track of the photo and dark current of the perovskite photodetector under -0.5 V bias during a period of over 42 hours.