Plasmonic-enhanced efficiency of AlGaN-based deep ultraviolet LED by graphene/Al nanoparticles/graphene hybrid structure

doi:10.1364/OL.492248

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	Plasmonic-enhanced efficiency of AlGaN-based deep ultraviolet LED by graphene/Al nanoparticles/graphene hybrid structure
	N. Jiang; Y. Chen; B. Lv; K. Jiang; S. Zhang; S. Lu; S. Li; T. Tao; X. Sun and D. Li
	2023
发表期刊	Optics Letters
ISSN	01469592
卷号	48 期号:12 页码:3175-3178
摘要	The AlGaN-based deep ultraviolet light-emitting diode (DUV LED) has advantages of environmentally friendly materials, tunable emission wavelength, and easy miniaturization. However, the light extraction efficiency (LEE) of an AlGaN-based DUV LED is low, which hinders its applications. Here, we design a graphene/Al nanoparticles/graphene (Gra/Al NPs/Gra) hybrid plasmonic structure, where the strong resonant coupling of local surface plasmons (LSPs) induces a 2.9-times enhancement for the LEE of the DUV LED according to the photoluminescence (PL). The dewetting of Al NPs on a graphene layer by annealing is optimized, resulting in better formation and uniform distribution. The near-field coupling of Gra/Al NPs/Gra is enhanced via charge transfer among graphene and Al NPs. In addition, the skin depth increment results in more excitons being coupled out of multiple quantum wells (MQWs). An enhanced mechanism is proposed, revealing that the Gra/metal NPs/Gra offers a reliable strategy for improving the optoelectronic device performance, which might trigger the advances of LEDs and lasers with high brightness and power density. © 2023 Optica Publishing Group.
DOI	10.1364/OL.492248
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/181722/67560
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	N. Jiang,Y. Chen,B. Lv,et al. Plasmonic-enhanced efficiency of AlGaN-based deep ultraviolet LED by graphene/Al nanoparticles/graphene hybrid structure[J]. Optics Letters,2023,48(12):3175-3178.
APA	N. Jiang.,Y. Chen.,B. Lv.,K. Jiang.,S. Zhang.,...&X. Sun and D. Li.(2023).Plasmonic-enhanced efficiency of AlGaN-based deep ultraviolet LED by graphene/Al nanoparticles/graphene hybrid structure.Optics Letters,48(12),3175-3178.
MLA	N. Jiang,et al."Plasmonic-enhanced efficiency of AlGaN-based deep ultraviolet LED by graphene/Al nanoparticles/graphene hybrid structure".Optics Letters 48.12(2023):3175-3178.

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