English
Related papers

Related papers: Localized surface plasmon enhanced InGaN-based lig…

200 papers

We fabricated polygonal nanoholes in the top p-GaN layer of the InGaN/GaN light-emitting diode, followed by the deposition of Au/Al metal thin film within the nanoholes to create metal microcavities, thereby constructing the surface plasmon…

Silver nanoparticles dispersed on the surface of an inverted GaN LED were found to plasmonically enhance the near-bandedge emission. The resonant surface plasmon coupling led to a significant enhancement in the exciton decay rate and the…

Localized surface plasmon resonances have recently attracted considerable attention due to their ability to dramatically enhance near-field optical intensities and boost nanoscale light-matter interactions. Here we demonstrate unambiguously…

Optics · Physics 2013-01-30 Neda Ghofraniha , Pascal Andrè , Andrea Di falco , Claudio Conti

The ability to engineer localized surface plasmon resonances at large scale usually relies on precise nanoscale patterning. Here, we demonstrate that mid-infrared plasmonic responses can instead emerge in unpatterned polysilicon films…

We have investigated the plasmonic enhancement of the radiation field at various nanostructured multilayer devices, that may be applied in surface enhanced Raman spectroscopy. We apply an image dipole method to describe the effect of…

Excitation of localized surface plasmons (LSPs) of metal nanoparticles (NPs) residing on a flat metal film has attracted great attentions recently due to the enhanced electromagnetic (EM) fields found to be higher than the case of NPs on a…

Optics · Physics 2015-07-02 Anran Li , Sivan Isaacs , Ibrahim Abdulhalim , Shuzhou Li

Surface plasmonic effects of metallic particles have been known to be an effective method to improve the performance light emitting didoes. In this work, we reported the sputtered Au nanoparticles enhanced electroluminescence in inverted…

Materials Science · Physics 2018-08-29 Abida Perveen , Xin Zhang , Jialun Tang , Dengbao Han , Shuai Chang , Luogen Deng , Wenyu Ji , Haizheng Zhong

High-efficiency micro-light-emitting diodes (Micro-LEDs) are key devices for next-generation display technology. However, when the mesa size is reduced to around tens of micrometers or less, the luminous efficiency is constrained by the…

The localized surface plasmon resonance of metallic nanostructures produces strongly localized and enhanced near-field light, significantly contributing to nanophotonics research and applications. Plasmon nanofocusing represents another…

We have investigated the effects of tuning the localized surface plasmon resonances (LSPRs) of silver nanoparticles on the fluorescence intensity, lifetime, and Raman signal from nearby fluorophores. The presence of a metallic structure can…

Other Condensed Matter · Physics 2009-11-13 N. I. Cade , T. Ritman-Meer , D. Richards

We have observed significant changes in the edge emission of a luminescent solar concentrator device (LSC) consist of core shell Cd1-xZnxSe1-ySy quantum dots (QDs), and a monolayer of gold nanorods (GNRs) on the surface of LSC device. The…

Applied Physics · Physics 2019-05-24 Puspendu Barik , Jaydeep Kumar Basu

Localized surface plasmons in metal nanoparticles are widely used in nano-optics to confine and enhance optical fields. It has been previously shown that, if the nanoparticles are distributed periodically, an additional enhancement can be…

Optics · Physics 2024-06-04 Xiaorun Zang , Andriy Shevchenko

Trisoctahedral (TOH) shaped Au nanocrystals (NCs) have emerged as a new class of metal nanoparticles (MNP) due to its superior catalystic and SERS activities caused by the presence of high density atomic steps and dangling bonds on their…

Materials Science · Physics 2017-05-15 Achyut Maity , Arpan Maiti , Biswarup Satpati , Avinash Patsha , Sandip Dhara , Tapas Kumar Chini

Localized surface plasmons are confined collective oscillations of electrons in metallic nanoparticles. When driven by light, the optical response is dictated by geometrical parameters and the dielectric environment and plasmons are…

Indium gallium nitride (InGaN) quantum well (QW) micro- and nanoscale light-emitting diodes (LEDs) are promising for next-generation ultrafast optical interconnects and augmented/virtual reality displays. However, scaling to nanoscale…

Metal nanoparticle (NP) surface coatings are known to significantly enhance the ultra-violet luminescence intensity of ZnO. Although there is general agreement that resonantly excited Localized Surface Plasmons (LSPs) in metal NPs can…

A hybrid structure of a graphene nanomesh with the gold nanodisks is studied to enhance the light absorption by localized surface plasmon resonance. From the reflection spectra of the visible range for graphene nanomesh samples without and…

Materials Science · Physics 2017-02-02 Yang Wu , Jing Niu , Mohammad Danesh , Jingbo Liu , Yuanfu Chen , Lin Ke , Chengwei Qiu , Hyunsoo Yang

The low efficiency of porous silicon (p-Si) luminescence hinders the development of silicon-based optoelectronic devices. The increase in p-Si emission using near-field enhancement, owing to the incorporation of gold nanoparticles (AuNPs)…

We present an innovative method to enhance Long Period Optical Fiber Gratings (LPGs) for refractive index sensing using microsphere-assisted superlens laser nanostructuring. This technique involves self-assembling a silica microsphere…

Optics · Physics 2023-11-13 Yiduo Chen , Liyang Yue , Zengbo Wang

Localized surface plasmons (LSP) in semiconductor particles are expected to exhibit spatial nonlocal response effects as the geometry enters the nanometer scale. To investigate these nonlocal effects, we apply the hydrodynamic model to…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 J. R. Maack , N. A. Mortensen , M. Wubs
‹ Prev 1 2 3 10 Next ›