中国科学院长春光学精密机械与物理研究所

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	Femtosecond Laser-Processed Perovskite Thin Films with Reduced Nonradiative Recombination and Improved Photodetecting Performance
	X. Chen, T. Huang, R. Li, Y. Lin, J. Yang, W. Li and W. Yu
	2023
发表期刊	ACS Applied Electronic Materials
ISSN	26376113
卷号	5期号:6页码:3316-3323
摘要	Carrier recombination plays a key role in determining the performance of perovskite devices, wherein nonradiative recombination hinders carrier extraction and limits the performance of perovskite-based optoelectronic devices (e.g., solar cells and photodetectors). To reduce nonradiative recombination, passivating the surface and grain boundary defects with chemicals has been extensively studied. However, this method has limitations such as pollution, complicated procedures, etc. Here, we provide a physical approach to reduce the nonradiative recombination loss of MAPbI3 perovskite thin films using femtosecond (fs) laser processing. Perovskite thin films processed by fs laser show an enhanced photoluminescence (PL) intensity, extended lifetime, smaller grain size, smooth surface, and improved photodetector performance. The effect of laser processing is attributed to a decrease in the number of trap centers per grain and polished perovskite surface, which act as nonradiative recombination centers in the perovskite thin films. This research provides a promising way to improve the performance of perovskite optoelectronic devices. © 2023 American Chemical Society.
DOI	10.1021/acsaelm.3c00357
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收录类别	sci ; ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67380
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X. Chen, T. Huang, R. Li, Y. Lin, J. Yang, W. Li and W. Yu. Femtosecond Laser-Processed Perovskite Thin Films with Reduced Nonradiative Recombination and Improved Photodetecting Performance[J]. ACS Applied Electronic Materials,2023,5(6):3316-3323.
APA	X. Chen, T. Huang, R. Li, Y. Lin, J. Yang, W. Li and W. Yu.(2023).Femtosecond Laser-Processed Perovskite Thin Films with Reduced Nonradiative Recombination and Improved Photodetecting Performance.ACS Applied Electronic Materials,5(6),3316-3323.
MLA	X. Chen, T. Huang, R. Li, Y. Lin, J. Yang, W. Li and W. Yu."Femtosecond Laser-Processed Perovskite Thin Films with Reduced Nonradiative Recombination and Improved Photodetecting Performance".ACS Applied Electronic Materials 5.6(2023):3316-3323.

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