Greatly enhanced light emission of MoS(2) using photonic crystal heterojunction.

Greatly enhanced light emission of MoS(2) using photonic crystal heterojunction.
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利用光子晶体异质结大大增强MoS2的发光

DOI:
10.1038/s41598-017-16502-2
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发表时间:
2017-11-27
期刊:
影响因子:
4.6
通讯作者:
Zhou YS
Zhou YS
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Liu JT;Tong H;Wu ZH;Huang JB;Zhou YS

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我们目前的理论研究发展的一维(1D)光子晶体异质结(h-PhC),由单层二硫化钼(MoS 2)结构。采用传输矩阵方法,得到了一维h-PhC中二维材料光吸收和光发射的解析解。同时增强介质在多个频率范围内的光吸收和发射是容易的,因为h-PhC比普通光子晶体具有更多的光子局域化模式。我们的数值计算结果表明,提出的1D h-PhC可以同时增强光的吸收和发射的MoS 2和提高2-3个数量级的MoS 2的光致发光光谱。
We present theoretical study on developing a one-dimensional (1D) photonic crystal heterojunction (h-PhC) that consists of a monolayer molybdenum disulfide (MoS2) structure. By employing the transfer matrix method, we obtained the analytical solution of the light absorption and emission of two-dimensional materials in 1D h-PhC. Simultaneously enhancing the light absorption and emission of the medium in multiple frequency ranges is easy as h-PhC has more modes of photon localization than the common photonic crystal. Our numerical results demonstrate that the proposed 1D h-PhC can simultaneously enhance the light absorption and emission of MoS2 and enhance the photoluminescence spectrum of MoS2 by 2–3 orders of magnitude.
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