通过纳米线与金属的接触距离和面积调制表面等离子体极化子激光模式

IF 2.8 3区化学 Q3 CHEMISTRY, PHYSICAL Chemical Physics Letters Pub Date : 2024-11-14 DOI:10.1016/j.cplett.2024.141749

Zi-Chen Li , Qi-Xuan Yang , Mu-Ze Li , Xiao-Jun Zhu , Mukhtiar Ali , Wei-Long Liu , Shan Lin , Qing-Xin Yang , Peng Jin

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引用次数: 0

摘要

本研究利用数值模拟来研究不同的纳米线-金属接触配置对银膜上的 CH3NH3PbBr3 纳米线激光器的影响。结果发现，增加接触距离会减小局部电场，缩短表面等离子体极化子（SPP）激光波长。相反，纳米线与金属之间的重叠越多，SPP 激光波长就越长。值得注意的是，当金属片与纳米线居中对齐时，激光光谱一般会转向较短的波长，节点 2 除外。这些发现为优化光电应用中的纳米线激光器提供了宝贵的设计见解。

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Modulation of surface plasmon polariton lasing modes via nanowire-metal contact distance and area

This study employs numerical simulations to investigate the impact of different nanowire-metal contact configurations on a CH₃NH₃PbBr₃ nanowire laser positioned on a silver film. The results reveal that increasing the contact distance decreases the local electric field and shortens the surface plasmon polariton (SPP) laser wavelength. Conversely, a greater overlap between the nanowire and the metal results in a longer SPP laser wavelength. Notably, when the metal sheet is centrally aligned with the nanowire, the laser spectrum generally shifts to shorter wavelengths, except at node number 2. These findings provide valuable design insights for optimizing nanowire lasers in optoelectronic applications.

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来源期刊

Chemical Physics Letters 化学-物理：原子、分子和化学物理

CiteScore

5.70

自引率

3.60%

发文量

798

审稿时长

33 days

期刊介绍： Chemical Physics Letters has an open access mirror journal, Chemical Physics Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Chemical Physics Letters publishes brief reports on molecules, interfaces, condensed phases, nanomaterials and nanostructures, polymers, biomolecular systems, and energy conversion and storage. Criteria for publication are quality, urgency and impact. Further, experimental results reported in the journal have direct relevance for theory, and theoretical developments or non-routine computations relate directly to experiment. Manuscripts must satisfy these criteria and should not be minor extensions of previous work.