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
- Laser & Optoelectronics Progress
- Vol. 61, Issue 5, 0504003 (2024)
Fig. 1. Structure diagram of vertical structure two-dimensional perovskite photodetector
Fig. 2. Cross-sectional TEM image of device
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
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Table 1. Response time of two-dimensional perovskite photodetectors with different thicknesses
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Table 2. Summary of response time of two-dimensional perovskite photodetector
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