Figure | Manufacturing process and device performance of chocolate-chip-cookie-like hybrid perovskite. (IMAGE)
Caption
Figure | Manufacturing process and device performance of chocolate-chip-cookie-like hybrid perovskite. a, Schematic of hybrid perovskite fabrication process. b, SEM cross-sectional image of a hybrid (average thickness = 833 nm) perovskite film (inset: microscope image of respective film surface). c, Possible charge-transfer direction in hybrid perovskite devices under contact conditions (Fermi level aligned). d, Photocurrent response of control triple-cation and hybrid perovskite photodetectors with different conditions (4, 6, 8, and 10 mm.s−1) under 532 nm light irradiation with 1 kHz optical chopper. e, External quantum efficiency (EQE) and f, spectral responsivity of control and hybrid (8 mm.s-1) devices (all measurements were conducted under 0 V bias). g, Ansys Lumerical simulated electric field intensity profile of chocolate-chip-cookie perovskite under 532 nm light illumination. Linear dynamic range (LDR) vs illumination power intensity comparison of control and hybrid 8 mm.s-1 devices under h, 532 nm and i, 365 nm illumination.
Credit
Ko Ko Shin Thant et al.
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CC BY