Surface-enhanced Raman spectroscopy for chemical and biological sensing using nanoplasmonics: The relevance of interparticle spacing and surface morphology

V Shvalya, G Filipič, J Zavašnik, I Abdulhalim… - Applied Physics …, 2020 - pubs.aip.org
In this review, the weightiest decadal developments of surface-enhanced Raman scattering
(SERS) and nanoplasmonic materials in sensing applications are discussed. Today, there …

Porous silicon-A versatile platform for mass-production of ultrasensitive SERS-active substrates

N Khinevich, H Bandarenka, S Zavatski, K Girel… - Microporous and …, 2021 - Elsevier
Surface-enhanced Raman scattering (SERS) spectroscopy is one of the most prospective
methods combining state-of-the-art nanomaterials and optical techniques for highly sensitive …

Rapid and highly efficient detection of ultra-low concentration of penicillin G by gold nanoparticles/porous silicon SERS active substrate

LA Wali, KK Hasan, AM Alwan - Spectrochimica Acta Part A: Molecular and …, 2019 - Elsevier
A new method for the detection of ultra-low concentration of penicillin G (PG) antibiotic was
innovated using gold nanoparticles/porous silicon (AuNPs/PSi) SERS active substrate. PSi …

Progress in the development of SERS-active substrates based on metal-coated porous silicon

HV Bandarenka, KV Girel, SA Zavatski, A Panarin… - Materials, 2018 - mdpi.com
The present work gives an overview of the developments in surface-enhanced Raman
scattering (SERS) with metal-coated porous silicon used as an active substrate. We focused …

Excellent fabrication of Pd-Ag NPs/PSi photocatalyst based on bimetallic nanoparticles for improving methylene blue photocatalytic degradation

LA Wali, AM Alwan, AB Dheyab, DA Hashim - Optik, 2019 - Elsevier
Abstract A Pd-Ag nanoparticles (NPs)/macro porous silicon (macroPSi) hetero structure
based on plasmonic bimetallic photocatalyst was used to improve the activity of the …

Study the influence of shell thickness in bimetallic Ag core&Au shell configurations integrated in bare Si PN junction solar cells

LA Wali, AB Dheyab, AM Alwan - Materials Science and Engineering: B, 2023 - Elsevier
The effect of the gold layer thickness of Ag core&Au shell configurations on the performance
of the bare Si n-type layer of a PN junction solar cell was explored. The different forms of Ag …

An investigation of efficient detection of ultra-low concentration of penicillins in milk using AuNPs/PSi hybrid structure

LA Wali, KK Hasan, AM Alwan - Plasmonics, 2020 - Springer
In this work, porous silicon (PSi) sample was employed to increase the SERS efficiency for
rapid detection of penicillins in spiked milk by developing Au nanoparticles (AuNPs)/PSi …

Surface-enhanced Raman scattering from dye molecules in silicon nanowire structures decorated by gold nanoparticles

SB Ikramova, ZN Utegulov, KK Dikhanbayev… - International journal of …, 2022 - mdpi.com
Silicon nanowires (SiNWs) prepared by metal-assisted chemical etching of crystalline silicon
wafers followed by deposition of plasmonic gold (Au) nanoparticles (NPs) were explored as …

Accurate controlled deposition of silver nanoparticles on porous silicon by drifted ions in electrolytic solution

MQ Zayer, AM Alwan, AS Ahmed, AB Dheyab - Current Applied Physics, 2019 - Elsevier
In this study, a low-cost, simple, single-step low-voltage operation and a well-controlled
method for deposition of uniformed and unique size distributions of silver nanoparticles …

Laser synthesized tri_metallic SERS pesticide sensors of core/shell and surface alloying configurations: Comparative study

HK Abbas, E Safari, AM Alwan - Optical Materials, 2024 - Elsevier
Two types of tri_metallic SERS pesticide sensors of core/shell and surface alloying
configurations were synthesized and examined well at chlorpyrifos concentrations lower …