Enhancing light extraction efficiency of GaN-based light-emitting diodes with reticulated photonic crystals

IF 1.1 4区物理与天体物理 Q4 NANOSCIENCE & NANOTECHNOLOGY

Journal of Nanophotonics Pub Date : 2023-01-01 DOI:10.1117/1.JNP.17.016005

Meng Liu, Xu Zheng, Z. Gong, Renqi Gao, Juanying Li, Wenfei Liu

引用次数: 0

Abstract

Abstract. We have proposed reticulated photonic crystals (PhCs) on the top surface of conventional light-emitting diodes (LEDs) to increase the light extraction efficiency (LEE). The rigorous electromagnetic simulations based on the three-dimensional finite-difference time-domain method were carried out to investigate the optical properties of reticulated PhCs LEDs and mechanisms of reticulated PhCs improving the LEE of LEDs. Results from these simulations showed that more than 115% enhancement of LEE had been achieved for LEDs with reticulated PhCs period of 200 nm and depth of 200 nm. This study provides an innovative approach to the creation of high-efficiency LEDs of the upcoming generation.

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利用网状光子晶体提高GaN基发光二极管的光提取效率

摘要我们已经在传统发光二极管（LED）的顶表面上提出了网状光子晶体（PhCs），以提高光提取效率（LEE）。基于三维时域有限差分方法进行了严格的电磁模拟，以研究网状光子晶体LED的光学特性以及网状光子晶体提高LED LEE的机理。这些模拟的结果表明，对于具有200nm的网状PhCs周期和200nm的深度的LED，已经实现了超过115%的LEE增强。这项研究为创造下一代高效LED提供了一种创新的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Nanophotonics 工程技术-光学

CiteScore

2.60

自引率

6.70%

发文量

审稿时长

3 months

期刊介绍： The Journal of Nanophotonics publishes peer-reviewed papers focusing on the fabrication and application of nanostructures that facilitate the generation, propagation, manipulation, and detection of light from the infrared to the ultraviolet regimes.