Back to Search Start Over

Localized surface plasmon-enhanced nanorod micro-LEDs with Ag nanoparticles embedded in insulating and planarizing spin-on glass.

Authors :
Fang, Aoqi
Liu, Jixin
Du, Zaifa
Tang, Penghao
Xie, Yiyang
Guo, Weiling
Xu, Hao
Sun, Jie
Source :
Applied Physics Letters; 7/8/2024, Vol. 125 Issue 2, p1-6, 6p
Publication Year :
2024

Abstract

To enhance the emission of GaN-based Micro-LEDs (μLEDs), we etched uniform nanorods (NRs) on the μLED surface and filled the nanorod gaps with spin-on glass (SOG) containing mixed Ag nanoparticles (NPs). The nanorod structure creates a conducive environment for close interaction between Ag NPs and quantum wells (QWs), facilitating the coupling of Ag NPs as localized surface plasmons (LSPs) with the QWs to enhance light emission. The SOG acts as an insulating layer between Ag NPs and NRs, preventing electron leakage, while also serving as a planarization material for the nanorod structure. This configuration allows for the fabrication of a planar Indium Tin Oxide layer without short-circuiting the nanorod structure. Compared to traditional planar Micro-LEDs, NR-μLEDs with SOG-encased Ag NPs exhibit a 50% increase in electroluminescence (EL) intensity and a 56% increase in photoluminescence (PL) intensity. This work paves the way for broader applications of LSP in μLEDs. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00036951
Volume :
125
Issue :
2
Database :
Complementary Index
Journal :
Applied Physics Letters
Publication Type :
Academic Journal
Accession number :
178423195
Full Text :
https://doi.org/10.1063/5.0211870