Results 71 to 80 of about 62,846 (187)

Multiple Fano resonances in spoof localized surface plasmons

Optics Express, 2014
We present the occurrence of bright modes and dark modes in spoof localized surface plasmons (LSPs) generated by ultrathin corrugated metallic disks. As two such disks with asymmetric geometries are placed in close proximity, we find that dark modes (in multipoles) of one disk emerge by coupling with the bright modes (in dipoles) of the other disk ...
Zhen, Liao, Bai Cao, Pan, Xiaopeng, Shen, Tie Jun, Cui   +3 more
openaire   +2 more sources

Improved localized surface plasmon resonance responses of multi-metallic Ag/Pt/Au/Pd nanostructures: systematic study on the fabrication mechanism and localized surface plasmon resonance properties by solid-state dewetting

New Journal of Physics, 2019
Multi-metallic nanoparticles (NPs) can offer dynamic and tunable localized surface plasmon resonance (LSPR) properties that are suitable for various catalysis, sensing and energy harvesting applications due to the wide range of tunability and ...
M Sui, S Kunwar, P Pandey, S Pandit, J Lee   +4 more
doaj   +1 more source

Advanced microstructure, morphology and CO gas sensor properties of Cu/Ni bilayers at nanoscale

Scientific Reports, 2022
In this study, we investigated the morphology of synthesized Cu/Ni nanoparticles in trace of carbon sources by the co-deposition process of RF sputtering and RF-PECVD methods and localized surface plasmon resonance of CO gas sensing of Cu/Ni ...
Atefeh Ghaderi, Azizollah Shafiekhani, Shahram Solaymani, Ştefan Ţălu, Henrique Duarte da Fonseca Filho, Nilson S. Ferreira, Robert Saraiva Matos, Hadi Zahrabi, Laya Dejam   +8 more
doaj   +1 more source

Resonant enhancement of Raman scattering in metamaterials with hybrid electromagnetic and plasmonic resonances

, 2016
A tri-layer metamaterial perfect absorber of light, consisting of (Al/ZnS/Al) films with the top aluminium layer patterned as an array of circular disk nanoantennas, is investigated for resonantly enhancing Raman scattering from C-60 fullerene molecules ...
Desai, Narayanarao, Guddala, Sriram, Ramakrishna, S. Anantha   +2 more
core   +1 more source

Evaluation of nanoparticle fabrication for improved localized surface plasmon resonance response [PDF]

MATEC Web of Conferences
Due to their versatility, gold nanoparticles are becoming more popular in biosensing applications. Some of the advantages include the use of fabrication, inexpensive, and highly compatible with portable point-of- care medical diagnostics. The fabrication
Mcoyi Michael, Mpofu Kelvin, Lugongolo Masixole, Williamson Carolyn, Ombinda-Lemboumba Saturnin, Mthunzi-Kufa Patience   +5 more
doaj   +1 more source

Antibody Conjugated Gold Nanoparticles for Detection of Small Amounts of Antigen Based on Surface Plasmon Resonance (SPR) Spectra [PDF]

Nanomedicine Research Journal, 2018
In this paper, a fast and sensitive localized surface plasmon resonance (LSPR) based biosensor was developed and the optimization of gold – antibody conjugates through investigation of different parameters were performed.
Yasamin Davatgaran Taghipour, Sharmin Kharrazi, Seyed Mohammad Amini   +2 more
doaj   +1 more source

Tunable Plasmon Resonance in Silver Nanodisk-on-Mirror Structures and Scattering Enhancement by Annealing

Nanomaterials
In this study, we evaluated the surface plasmon characteristics of periodic silver nanodisk structures fabricated on a dielectric thin-film spacer layer on a Ag mirror substrate (NanoDisk on Mirror: NDoM) through finite difference time domain (FDTD ...
Ryohei Hatsuoka, Kota Yamasaki, Kenji Wada, Tetsuya Matsuyama, Koichi Okamoto   +4 more
doaj   +1 more source

Characterization of a circular optical nanoantenna by nonlinear photoemission electron microscopy

, 2015
We report on the investigation of an advanced circular plasmonic nanoantenna under ultrafast excitation using nonlinear photoemission electron microscopy (PEEM) under near-normal incidence.
Falkner, Matthias, Kaiser, Thomas, Klein, Angela, Menzel, Christoph, Pertsch, Thomas, Qi, Jing, Rockstuhl, Carsten, Steinert, Michael   +7 more
core   +1 more source

Comparison of Surface Plasmon Resonance and Localized Surface Plasmon Resonance-based optical fibre sensors

Journal of Physics: Conference Series, 2011
In this work, two of surface plasmon resonance (SPR) and localized surface plasmon resonance (LSPR)-based optical fibre sensors have been successfully developed and cross-compared. With one SPR sensor being coated with a thin layer of gold film and the other gold-nanorods (GNRs), forming a LSPR sensor, both sensors are subjected to various refractive ...
J Cao, E K Galbraith, T Sun, K T V Grattan   +3 more
openaire   +1 more source

Localized Surface Plasmon Resonance as a Biosensing Platform for Developing Countries

Biosensors, 2014
The discovery of the phenomena known as localized surface plasmon resonance (LSPR) has provided the basis for many research areas, ranging from materials science to biosensing.
Jules L. Hammond, Nikhil Bhalla, Sarah D. Rafiee, Pedro Estrela   +3 more
doaj   +1 more source