2D gold supercrystal-MoS2 hybrids: Photoluminescence quenching

2D gold supercrystal-MoS2 hybrids: Photoluminescence quenching
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二维金超晶-MoS2 杂化物:光致发光猝灭

DOI:
10.1016/j.matlet.2019.126531
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发表时间:
2019-11
期刊:
影响因子:
3
通讯作者:
Yang Peng
Yang Peng
中科院分区:
材料科学3区
文献类型:
--
作者:
Yin Hang;Hu Dafeng;Geng Xuemin;Liu Hu;Wan Yanfen;Guo Zhanhu;Yang Peng

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我们证明了异质集成的二维自组装膜的Au纳米粒子(NPs)和二维MoS2单层。该Au NPs膜具有紧凑的长程有序结构,其颗粒呈现窄的尺寸分布。此外,两个组成部分之间实现了大面积覆盖。将Au NPs膜附着在MoS2单分子膜上后,发现MoS2单分子膜的光致发光(PL)发生了猝灭,这归因于Au NPs膜的电子转移和光屏蔽作用。这项工作拓宽了我们的理解PL性能在这样的二维混合。
We demonstrate heterogeneous integration of 2D self-assembled films of Au nanoparticles (NPs) and 2D MoS2monolayer. The Au NPs film has a compact, long-range-ordered structure, with its particles exhibiting a narrow size distribution. In addition, large-area coverage was achieved between the two components. Photoluminescence (PL) quenching was observed after the attachment of Au NPs film onto MoS2monolayer, which was attributed to electron transfer and shielding of light by Au NPs film. This work broadens our understanding of PL properties in such 2D hybrids.
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