中国科学院长春光学精密机械与物理研究所

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	Solvent atmosphere-assisted crystallization of perovskites for room-temperature continuous-wave amplified spontaneous emission
	D. Zou, Y. Wang, Y. Zhang, X. Guo, Y. Lv, J. Lin, J. Huang and X. Liu
	2023
发表期刊	Journal of Materials Chemistry C
ISSN	20507526
卷号	11期号:34页码:11730-11738
摘要	Low-threshold, solution-processable quasi-two-dimensional (quasi-2D) perovskites hold great significance in the development of compact, solution-processable lasers. However, defects such as pinholes, caused by the rapid crystallization process and non-uniform distribution of mixed phases, contribute to increased optical losses and decreased energy transfer. In this study, we developed a simple strategy involving DMSO atmosphere-assisted crystallization for preparing quasi-2D perovskite films. This approach allows effectively controlling the surface crystallization process, resulting in a smooth surface morphology and improved phase distribution. Consequently, the non-radiative recombination rate decreases, while the fluorescence quantum yield increases. As a result, using the PEA2FAn−1PbnBr3n+1 (n = 6) film with DMSO atmosphere treatment, we achieved a low pulse optically pumped amplified spontaneous emission (ASE) threshold of 12.9 μJ cm−2, which was 3.6 times lower than the case without atmosphere treatment. Furthermore, by incorporating a microcavity structure to enhance optical feedback, we successfully achieved continuous-wave (CW) optically pumped ASE at room temperature with an extremely low threshold of 3.8 W cm−2 © 2023 The Royal Society of Chemistry.
DOI	10.1039/d3tc01797d
URL	查看原文
收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68294
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	D. Zou, Y. Wang, Y. Zhang, X. Guo, Y. Lv, J. Lin, J. Huang and X. Liu. Solvent atmosphere-assisted crystallization of perovskites for room-temperature continuous-wave amplified spontaneous emission[J]. Journal of Materials Chemistry C,2023,11(34):11730-11738.
APA	D. Zou, Y. Wang, Y. Zhang, X. Guo, Y. Lv, J. Lin, J. Huang and X. Liu.(2023).Solvent atmosphere-assisted crystallization of perovskites for room-temperature continuous-wave amplified spontaneous emission.Journal of Materials Chemistry C,11(34),11730-11738.
MLA	D. Zou, Y. Wang, Y. Zhang, X. Guo, Y. Lv, J. Lin, J. Huang and X. Liu."Solvent atmosphere-assisted crystallization of perovskites for room-temperature continuous-wave amplified spontaneous emission".Journal of Materials Chemistry C 11.34(2023):11730-11738.

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