Laser & Optoelectronics Progress, Volume. 61, Issue 5, 0504003(2024)
Fast-Response Vertical-Structure Two-Dimensional Perovskite Photodetector
Figures & Tables(10)
Fig. 1. Structure diagram of vertical structure two-dimensional perovskite photodetector
Fig. 3. XRD patterns of two-dimensional perovskite thin film. (a) No additive; (b) NH4SCN; (c) NH4Cl; (d) NH4SCN and NH4Cl
Fig. 4. J-V curves of two-dimensional perovskite photodetectors with different thicknesses. (a) In dark state; (b) in laser irradiation
Fig. 5. Parameters of two-dimensional perovskite devices with different thicknesses under 0 V bias voltage. (a)
Fig. 6. XRD patterns of two-dimensional perovskite films with different thicknesses
Fig. 7. AFM surface topographies of two-dimensional perovskite films with different thicknesses (a) 280 nm; (b) 140 nm; (c) 80 nm; (d) 50 nm
Fig. 8. Transient photocurrent curves of photodetectors based on different effective areas
Table 1. Response time of two-dimensional perovskite photodetectors with different thicknesses
View tableTable 1. Response time of two-dimensional perovskite photodetectors with different thicknesses
Perovskite film thickness / nmτrise /ns τfall /ns τ /ns 280 33 564 597 140 34 533 567 80 30 422 452 50 43 730 773
Table 2. Summary of response time of two-dimensional perovskite photodetector
View tableTable 2. Summary of response time of two-dimensional perovskite photodetector
Device structure Photoactive layer Response time Method Lateral-type （BA）2（MA）2Pb3I10 10/7.5 ms Ref.［ 35 ］（BA）2（MA）n-1PbnBr3n+1 0.21/0.24 s Ref.［ 36 ］（BA）2（MA）3Pb4I13 52.1 μs Ref.［ 37 ］（PA）2（MA）Pb2I7 1.52/1.67 μs Ref.［ 38 ］（BA）2PbI4 1.7/3.9 μs Ref.［ 39 ］（PEA）2SnI4 34 ms Ref.［ 40 ］（PA）2（FA）Pb2I7 0.86/2.54 ns Ref.［ 34 ］（BA）2Pb2I7 < 4 ms Ref.［ 41 ］（BA）2（MA）Pb2Br7 20 μs Ref.［ 42 ］（PEA）2PbI4 21/37 μs Ref.［ 18 ］（C6H13NH3）2（FA）Pb2I7 310/520 μs Ref.［ 43 ］（PEA）2PbBr4 0.41/0.37 ms Ref.［ 20 ］（BA）2（MA）3Pb4I13 3.53/3.78 ms Ref.［ 44 ］2D FAPbI3 0.35/0.54 ms Ref.［ 26 ］（BA）2CsPb2Br7 ~300 μs Ref.［ 25 ］Vertical-type （PEA）2（MA）4Pb5I16 33/564 ns Ref.［ 28 ］（PDA）（MA）3Pb4I13 20/45 ms Ref.［ 21 ］（PEA）2（MA）2Pb3I10 29/152 ns Ref.［ 27 ］（PEA）2（MA）4Pb5I16 21/92 ns This work
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Haibo Zhang, Ting Ji, Jiayu He, Linlin Shi, Guohui Li, Yanxia Cui. Fast-Response Vertical-Structure Two-Dimensional Perovskite Photodetector[J]. Laser & Optoelectronics Progress, 2024, 61(5): 0504003
Paper Information
Category: Detectors
Received: Mar. 22, 2023
Accepted: Apr. 28, 2023
Published Online: Mar. 12, 2024
The Author Email: Ting Ji (jiting@tyut.edu.cn), Yanxia Cui (yanxiacui@tyut.edu.cn)
CSTR:32186.14.LOP230924
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