2021
DOI: 10.1002/adma.202170324
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Supersaturation‐Controlled Growth of Monolithically Integrated Lead‐Free Halide Perovskite Single‐Crystalline Thin Film for High‐Sensitivity Photodetectors (Adv. Mater. 41/2021)

Abstract: In article number 2103010, Xiaosheng Fang and report a supersaturationcontrolled growth method for growing lead-free halide perovskite single-crystalline thin film on target substrates to realize facile monolithical integration. The sufficient thinness and incommensurate lattice matching contribute to high-sensitivity silicon-compatible photodetectors, better than advanced lead-free halide perovskite optoelectronic devices.

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Cited by 41 publications
(34 citation statements)
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“…[ 1–8 ] In recent years, organic–inorganic hybrid perovskite materials have been used as active layers in photodetectors owing to their strong light absorption, high carrier mobility, good mechanical flexibility, and solution preparation. [ 9–14 ] Owing to the tunable bandgap of perovskites, many new material systems can form heterostructures with perovskites to improve device performance. [ 15–17 ] For example, Dou et al.…”
Section: Introductionmentioning
confidence: 99%
“…[ 1–8 ] In recent years, organic–inorganic hybrid perovskite materials have been used as active layers in photodetectors owing to their strong light absorption, high carrier mobility, good mechanical flexibility, and solution preparation. [ 9–14 ] Owing to the tunable bandgap of perovskites, many new material systems can form heterostructures with perovskites to improve device performance. [ 15–17 ] For example, Dou et al.…”
Section: Introductionmentioning
confidence: 99%
“…[ 14–16 ] The solution‐processed organic semiconductors have been recognized as cost‐effective alternatives to fabricating heterostructure photodetectors. [ 17,18 ] However, they always suffer from slow response speed due to the low charge carrier mobility and high exciton binding energy of organic semiconductors. [ 19,20 ] Compared with those inorganic and organic semiconductors, the recently emerged organic‐inorganic hybrid perovskites are considered promising active semiconductors for creating heterostructure photodetectors with novel performance thanks to cost‐effective fabrication, defect tolerant nature, and excellent optoelectric properties.…”
Section: Introductionmentioning
confidence: 99%
“…Perovskites are promising for sensitive and fast light detection due to a combination of efficient light absorption, low dark current, and high charge carrier mobility. [ 25–27 ] The combination of a high optical absorption coefficient and a direct bandgap, however, makes perovskite PDs intrinsic broadband light detectors. One way to narrow the spectral response of broadband absorbers is via the use of thick semiconducting films in a process called charge collection narrowing (CCN).…”
Section: Introductionmentioning
confidence: 99%