Magnonic and plasmonic effects in permalloy metasurfaces

2021 ◽  
Author(s):  
Yulia Gubanova ◽  
Mohammad Shahabuddin ◽  
Vlad Gubanov ◽  
David Keene ◽  
Md A. Rab ◽  
...  
Keyword(s):  
Plasmonic Effects

Plasmonic Effects in Dynamic Tunable Metal-dielectric Composites

PIERS Online ◽  
2008 ◽  
Vol 4 (6) ◽  
pp. 625-630 ◽  
Author(s):  
Yu-Yang Feng ◽  
Morten Willatzen
Keyword(s):  
Plasmonic Effects

scholarly journals Surface plasmon polariton–enhanced photoluminescence of monolayer MoS2 on suspended periodic metallic structures

Nanophotonics ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 975-982
Author(s):  
Huanhuan Su ◽  
Shan Wu ◽  
Yuhan Yang ◽  
Qing Leng ◽  
Lei Huang ◽  
...  
Keyword(s):  
Surface Plasmon ◽  
Surface Plasmon Polariton ◽  
Plasmonic Nanostructures ◽  
Metallic Nanoparticle ◽  
Systematic Analysis ◽  
Excitation Rate ◽  
Matter Interaction ◽  
Light Matter Interaction ◽  
Plasmon Polariton ◽  
Plasmonic Effects

AbstractPlasmonic nanostructures have garnered tremendous interest in enhanced light–matter interaction because of their unique capability of extreme field confinement in nanoscale, especially beneficial for boosting the photoluminescence (PL) signals of weak light–matter interaction materials such as transition metal dichalcogenides atomic crystals. Here we report the surface plasmon polariton (SPP)-assisted PL enhancement of MoS2 monolayer via a suspended periodic metallic (SPM) structure. Without involving metallic nanoparticle–based plasmonic geometries, the SPM structure can enable more than two orders of magnitude PL enhancement. Systematic analysis unravels the underlying physics of the pronounced enhancement to two primary plasmonic effects: concentrated local field of SPP enabled excitation rate increment (45.2) as well as the quantum yield amplification (5.4 times) by the SPM nanostructure, overwhelming most of the nanoparticle-based geometries reported thus far. Our results provide a powerful way to boost two-dimensional exciton emission by plasmonic effects which may shed light on the on-chip photonic integration of 2D materials.

Photonic and plasmonic effects in inverse opal films with Au nanoparticles

2021 ◽  
Vol 43 ◽  
pp. 100899
Author(s):  
Sergey Klimonsky ◽  
Alexander Baranchikov ◽  
V.N. Lad ◽  
Elena Eremina ◽  
Alexey Garshev ◽  
...  
Keyword(s):  
Au Nanoparticles ◽  
Inverse Opal ◽  
Plasmonic Effects

scholarly journals Large modulation capacity in graphene-based slot modulators by enhanced hybrid plasmonic effects

2018 ◽  
Vol 8 (1) ◽  
Author(s):  
Ran Hao ◽  
Ziwei Ye ◽  
YiJie Gu ◽  
Xiliang Peng ◽  
Hongsheng Chen ◽  
...  
Keyword(s):  
Plasmonic Effects

Plasmonic effects of copper nanoparticles in polymer photovoltaic devices for outdoor and indoor applications

2020 ◽  
Vol 116 (25) ◽  
pp. 253302 ◽  
Author(s):  
Chien-Lun Huang ◽  
Gautham Kumar ◽  
Ganesh D. Sharma ◽  
Fang-Chung Chen
Keyword(s):  
Copper Nanoparticles ◽  
Photovoltaic Devices ◽  
Plasmonic Effects

Plasmonic Effects, Size and Biological Activity Relationship of Au-Ag Alloy Nanoparticles

2018 ◽  
Vol 54 ◽  
pp. 98-111 ◽  
Author(s):  
Ahson Jabbar Shaikh ◽  
Maria Batool ◽  
Muhammad Arfat Yameen ◽  
Amir Waseem
Keyword(s):  
Biological Activity ◽  
Gradual Increase ◽  
Reducing Agent ◽  
Alloy Nanoparticles ◽  
Ag Nps ◽  
Uniform Size ◽  
Vis Spectroscopy ◽  
Plasmonic Effects ◽  
Lower Temperature ◽  
Relationship Of

The plasmonic effects of Au-Ag alloy nanoparticles, gold nanoparticles (AuNPs), and silver nanoparticles (AgNPs) are studied and compared to their size. Various factors that affect the size of alloy nanoparticles are varied such as concentration and ratio of gold and silver salt, time of addition of reducing agent, temperature and pH. Addition of reducing agent at different time intervals for the synthesis of pure and alloy Au-Ag NPs shows a gradual increase in size, as well as increase in heterogeneity of nanoparticles with delayed addition of reducing agent. Temperature dependent alloy nanoparticles also shows a gradual increase in size with increase in temperature. pH dependent alloy nanoparticles show decrease in size with increase in pH from 4 to 8. Their size is characterized by SEM and corelated with UV-Vis spectroscopy. Furthermore, alloy nanoparticles synthesized by varying temperature are also characterized for their antibacterial studies against Escherichia coli and Staphylococcus aureus strains. Nanoparticles synthesized at high temperature (100°C) have shown higher bioactivity against both organisms due to small and uniform size nanoparticles, while nanoparticles synthesized at lower temperature (50°C) have lower biological activity. Alloy nanoparticles synthesized at 60°C and 70°C are more active against E. coli while those of 80°C and 90°C are more active against S. aureus.

Self-Assembled Monolayer Immobilized Gold Nanoparticles for Plasmonic Effects in Small Molecule Organic Photovoltaic

2013 ◽  
Vol 5 (3) ◽  
pp. 511-517 ◽  
Author(s):  
Ming-Chung Chen ◽  
Yi-Ling Yang ◽  
Shin-Wen Chen ◽  
Jia-Han Li ◽  
Muluken Aklilu ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Small Molecule ◽  
Organic Photovoltaic ◽  
Self Assembled Monolayer ◽  
Self Assembled ◽  
Plasmonic Effects
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