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- W2893434581 endingPage "1804349" @default.
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- W2893434581 abstract "Bandgap engineering of single-crystal lead halide perovskites with remarkable optoelectronic properties, solution processability, and low-cost nature has been in the forefront of extensive optoelectronic applications. Yet one imminent challenging is to pattern micro- and nanostructured perovskite arrays with controlled morphology, precision alignment, and high-quality single crystallinity owing to the difference of crystallization behaviors between perovskites with diverse halide stoichiometry, leading to the restricted integration of optoelectronic devices. Herein, a facile assembly solution process is developed through cautious regulation, directional dewetting, and microstructured confinement for the nucleation and growth of 1D perovskite single-crystal arrays with engineered bandgap from 1.7 to 3.1 eV by changing halogen ratios. Photodetectors based on 1D arrays perform a high responsivity of 3.16 × 103 A W−1. In comparison with devices based on perovskite thin film, a notable improvement is achieved owing to the elimination of the carrier recombination in the 1D high-quality crystalline arrays with the low defect density and long carrier lifetime. This work offers a new insight for the bandgap engineering of patterned single crystals toward the integration of optoelectronic devices." @default.
- W2893434581 created "2018-10-05" @default.
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- W2893434581 date "2018-09-25" @default.
- W2893434581 modified "2023-10-01" @default.
- W2893434581 title "Bandgap Engineering of Single-Crystalline Perovskite Arrays for High-Performance Photodetectors" @default.
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- W2893434581 doi "https://doi.org/10.1002/adfm.201804349" @default.
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