Universal growth of perovskite thin monocrystals from high solute flux for sensitive self-driven X-ray detection
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Zheng, Yichu
Sui, Xin Yuan
Wu, Xue Feng
Zou, Can
Peng, Yu
Liu, Xinyi
Lin, Miaoyu
Wei, Zhanpeng
Zhou, Hang
Yao, Ye-Feng
Dai, Sheng
Yuan, Haiyang
Yang, Hua Gui
Yang, Shuang
et al.
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Abstract
Metal-halide perovskite thin monocrystals featuring efficient carrier collection and transport capabilities are well suited for radiation detectors, yet their growth in a generic, well-controlled manner remains challenging. Here, we reveal that mass transfer is one major limiting factor during solution growth of perovskite thin monocrystals. A general approach is developed to overcome synthetic limitation by using a high solute flux system, in which mass diffusion coefficient is improved from 1.7×10-10 to 5.4×10-10 m2 s-1 by suppressing monomer aggregation. The generality of this approach is validated by the synthesis of 29 types of perovskite thin monocrystals at 40-90 °C with the growth velocity up to 27.2 μm min-1. The as-grown perovskite monocrystals deliver a high X-ray sensitivity of 1.74×105 µC Gy-1 cm-2 without applied bias. The findings regarding limited mass transfer and high-flux crystallization are crucial towards advancing the preparation and application of perovskite thin monocrystals.
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Nature Communications
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15
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© The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit https://creativecommons.org/licenses/by/4.0/.
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Nanotechnology
Crystallography
Atomic and molecular physics
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Liu, D; Zheng, Y; Sui, XY; Wu, XF; Zou, C; Peng, Y; Liu, X; Lin, M; Wei, Z; Zhou, H; Yao, Y-F; Dai, S; Yuan, H; Yang, HG; Yang, S; Hou, Y, Universal growth of perovskite thin monocrystals from high solute flux for sensitive self-driven X-ray detection., Nat Commun, 2024, 15, pp. 2390