Detachable surface plasmon substrate to enhance CH3NH3PbBr3 lasing

Detachable surface plasmon substrate to enhance CH3NH3PbBr3 lasing
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可拆卸的表面等离激元基板可增强 CH3NH3PbBr3 激光

DOI:
10.1016/j.optcom.2019.04.005
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发表时间:
2019-12
影响因子:
2.4
通讯作者:
Qin Feifei
Qin Feifei
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Chen Feng;Xu Chunxiang;Xu Qingyu;Zhu Yizhi;Wang Ru;Zhao Jie;Wang Xiaoxuan;Chen Mingming;Qin Feifei

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表面等离子体可以在金属/介质界面处产生高度的空间约束和近场增强,降低光损耗。本研究引入可拆卸铝纳米颗粒(Al NPs)衬底增强ch3nh3pbbr3钙钛矿的激光性能,并比较了Al- ch3nh3pbbr3和原ch3nh3pbbr3微长方体的激光作用,了解其机理。在Al- ch3nh3pbbr3杂化体系中,基于Al表面等离子体耦合激发,激光阈值显著降低27%以上,ch3nh3pbbr3的受激辐射提高了10倍。
Surface plasmons can make highly spatial confinement and near-field enhancement at the metal/dielectric interface and decrease optical loss. Here, we introduced detachable aluminum nanoparticles (Al NPs) substrate to enhance CH3NH3PbBr3perovskite lasing performances, and compared the lasing actions between Al-CH3NH3PbBr3and prime CH3NH3PbBr3microcuboid to understand the mechanism. Based on Al surface plasmons coupled excitation in Al-CH3NH3PbBr3hybrid system, the lasing threshold is dramatically reduced more than 27% and the stimulated emission of CH3NH3PbBr3improved 10 times.
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