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 …

Synthesis of a Df-porous Si layer of mesostructure to develop the mechanisms of CO sensors

AM Alwan, AB Dheyab, L A. Wali… - Journal of Materials …, 2024 - Springer
In this novel current work, double-face porous Si (Df-porous Si) was established via the
double-beam laser-assisted etching (DB-LAE) technique, using two similar diode lasers …

Preparation and characterization of silicon nanoparticles (core) with gold nanoparticles (shell) configuration

RT Saihood, AM Alwan - Optical Materials, 2024 - Elsevier
Herein, we used a simple yet novel approach to create and characterize silicon
nanoparticles Si NPs/core, gold nanoparticles AuNps/shell hybrid structure. The meso …

Improved the performance of tri_metallic plasmonics SERS sensors by controlling the metals ratio

HK Abbas, E Safari, AM Alwan - Journal of Materials Science: Materials in …, 2024 - Springer
In this paper, three distinct types of nano and tri_metallic SERS plasmonics sensors were
configured, depending on their mixing volumetric ratio of metal solutions. Au, Ag, and Pd of …

Develop Synthesis and Characterization of Dual-Faced Porous Silicon/Gold Nanoparticle Hybrid Structures

IH Hadi, D Sulaiman, AA Jabbar, AM Alwan - Silicon, 2024 - Springer
In this study, dual-face porous silicon layers (Df-PSi) and hybrid structures with
(AuNPs/PSi/Si/PSi/AuNPs) configurations are fabricated and investigated. The Df-Psi layers …

Synthesis of germanium quantum dots by laser ablation technique in the presence of water and benzene

MS Mohammed, RS Jaffer, RC Mohsin, BT Al-Azraq… - Journal of Optics, 2024 - Springer
This work used a Nd-Yag laser with a wavelength of 1460 nm, energy of 0.5 mJ, and
different numbers of pulses (50, 100, 150, 300) to create nanoparticles (quantum dots). A …