Characterization of plasmonic effects in thin films and metamaterials using spectroscopic ellipsometry

TWH Oates, H Wormeester, H Arwin - Progress in Surface Science, 2011 - Elsevier
In this article, spectroscopic ellipsometry studies of plasmon resonances at metal–dielectric
interfaces of thin films are reviewed. We show how ellipsometry provides valuable non …

Demonstration of Al: ZnO as a plasmonic component for near-infrared metamaterials

GV Naik, J Liu, AV Kildishev… - Proceedings of the …, 2012 - National Acad Sciences
Noble metals such as gold and silver are conventionally used as the primary plasmonic
building blocks of optical metamaterials. Making subwavelength-scale structural elements …

Design and realization of light absorbers using plasmonic nanoparticles

L Escoubas, M Carlberg, J Le Rouzo, F Pourcin… - Progress in Quantum …, 2019 - Elsevier
The applications of light absorbers concern photodetectors, optical filters, solar applications
or flexible electronics. In this review, we will detail the application of such light absorbers …

Au/Ag SERS active substrate for broader wavelength excitation

S Augustine, M Saini, KP Sooraj, BK Parida, S Hans… - Optical Materials, 2023 - Elsevier
Self-organized Ag nanoparticles arrays capped with Au layer are produced by depositing Ag
nanoparticles on ion beam produced ripple patterned Si substrate followed by Au …

SERS based detection of Dichlorvos pesticide using silver nanoparticles arrays: Influence of array wavelength/amplitude

S Augustine, KP Sooraj, V Pachchigar… - Applied Surface …, 2021 - Elsevier
Ion beam irradiation produced ripple nanopatterns on Si surface was used to produce a
highly dense and sensitive SERS substrate for detecting Dichlorvos pesticide below the …

SERS based detection of glucose with lower concentration than blood glucose level using plasmonic nanoparticle arrays

KP Sooraj, M Ranjan, R Rao, S Mukherjee - Applied Surface Science, 2018 - Elsevier
Abstract Surface Enhanced Raman Scattering (SERS) based detection of glucose, without
using binder molecule, is difficult due to very small Raman scattering cross section of …

Tuning the Chiroptical Properties of Elongated Nano-objects via Hierarchical Organization

J Gao, W Wu, V Lemaire, A Carvalho, S Nlate… - ACS …, 2020 - ACS Publications
Chiral materials appear as excellent candidates to control and manipulate the polarization of
light in optical devices. In nanophotonics, the self-assembly of colloidal plasmonic …

Anisotropic surface enhanced Raman scattering in nanoparticle and nanowire arrays

M Ranjan, S Facsko - Nanotechnology, 2012 - iopscience.iop.org
Silver nanoparticles and nanowires self-aligned on pre-patterned rippled substrate are
presented as active surface enhanced Raman scattering (SERS) substrates. The reported …

Ultraviolet–visible plasmonic properties of gallium nanoparticles investigated by variable-angle spectroscopic and Mueller matrix ellipsometry

Y Yang, N Akozbek, TH Kim, JM Sanz, F Moreno… - ACS …, 2014 - ACS Publications
Self-assembled, irregular ensembles of hemispherical Ga nanoparticles (NPs) were
deposited on sapphire by molecular beam epitaxy. These samples, whose constituent …

Polarization-and wavelength-dependent surface-enhanced Raman spectroscopy using optically anisotropic rippled substrates for sensing

D Gkogkou, B Schreiber, T Shaykhutdinov, HK Ly… - Acs …, 2016 - ACS Publications
Anisotropic Ag nanoparticle arrays were created by metal evaporation on rippled silicon
templates for sensing of molecules with surface-enhanced Raman spectroscopy. Our results …