Recent research process on perovskite photodetectors: A review for photodetector—materials, physics, and applications<xref rid="cpb_27_12_127806fn1" ref-type="fn">*</xref><fn id="cpb_27_12_127806fn1"><label>*</label><p>Project supported by the International Cooperation and Exchange Project of Jilin Province, China (Grant Nos. 20170414002GH and 20180414001GH).</p></fn>

Recent research process on perovskite photodetectors: A review for photodetector—materials, physics, and applications**

Project supported by the International Cooperation and Exchange Project of Jilin Province, China (Grant Nos. 20170414002GH and 20180414001GH).

Zhao Yan, Li Chenglong, Shen Liang^†

(a) The schematic device structure of perovskite photodetectors. (b) The dark current (solid symbols) and photocurrent density (hollow symbols, under white light ≈ 143 μW·cm⁻²) versus bias curves of devices A (diamonds), B (circles), and C (squares). (c) The energy diagram of the perovskite photodetectors. (d) The EQE curves of devices A (circles), B (squares), and C (diamonds) at −0.1 V with the incident light modulation frequency of 35 Hz (from Ref. [24]).