ArticleRSC advances2019
Explosives sensing using Ag-Cu alloy nanoparticles synthesized by femtosecond laser ablation and irradiation.
Article in RSC advances, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 102 citations in OpenAlex.
- SERS-based sensing of heavy metal ions and methylene blue using nanosecond laser ablated silver nanoparticles.RSC advances · 2026Article
- Beam shaping techniques for pulsed laser ablation in liquids: Unlocking tunable control of nanoparticle synthesis in liquids.Beilstein journal of nanotechnology · 2026Review
- Plasmonic nanoparticle sensors: current progress, challenges, and future prospects.Nanoscale horizons · 2024Review
- Using Femtosecond Laser Pulses to Explore the Nonlinear Optical Properties of Ag/Au Alloy Nanoparticles Synthesized by Pulsed Laser Ablation in a Liquid.Nanomaterials (Basel, Switzerland) · 2024Article
- Selective SERS Detection of TATB Explosives Based on Hydroxy-Terminal Nanodiamond-Multilayer Graphene Substrate.ACS omega · 2024Article
- Effect of wavelength and liquid on formation of Ag, Au, Ag/Au nanoparticles via picosecond laser ablation and SERS-based detection of DMMP.Beilstein journal of nanotechnology · 2024Article
- Interpol review of the analysis and detection of explosives and explosives residues.Forensic science international. Synergy · 2023Review
- Synergistic antibacterial mechanism of silver-copper bimetallic nanoparticles.Frontiers in bioengineering and biotechnology · 2023Review
- Optimization mechanism and applications of ultrafast laser machining towards highly designable 3D micro/nano structuring.RSC advances · 2022Review
- Wafer-scale silver nanodendrites with homogeneous distribution of gold nanoparticles for biomolecules detection.iScience · 2022Article
- Hybrid Surface-Enhanced Raman Scattering Substrates for the Trace Detection of Ammonium Nitrate, Thiram, and Nile Blue.ACS omega · 2022Article
- How the Physicochemical Properties of the Bulk Material Affect the Ablation Crater Profile, Mass Balance, and Bubble Dynamics During Single-Pulse, Nanosecond Laser Ablation in Water.Chemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- Review
- Robust and cost-effective silver dendritic nanostructures for SERS-based trace detection of RDX and ammonium nitrate.RSC advances · 2020Article
- Modular and Integrated Systems for Nanoparticle and Microparticle Synthesis-A Review.Biosensors · 2020Review
- Polarization-Sensitive Surface-Enhanced In Situ Photoluminescence Spectroscopy ofSensors (Basel, Switzerland) · 2020Article
- Interpol review of detection and characterization of explosives and explosives residues 2016-2019.Forensic science international. Synergy · 2020Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Herein we demonstrate the synthesis of Ag-Cu alloy NPs through a consecutive two-step process; laser ablation followed by laser irradiation. Initially, pure Ag and Cu NPs were produced individually using the laser ablation in liquid technique (with ∼50 femtosecond pulses at 800 nm) which was followed by laser irradiation of the mixed Ag and Cu NPs in equal volume. These Ag, Cu, and Ag-Cu NPs were characterised by UV-visible absorption, HRTEM and XRD techniques. The alloy formation was confirmed by the presence of a single surface plasmon resonance peak in absorption spectra and elemental mapping using FESEM techniques. Furthermore, the results from surface enhanced Raman scattering (SERS) studies performed for the methylene blue (MB) molecule suggested that Ag-Cu alloy NPs demonstrate a higher enhancement factor (EF) compared to pure Ag/Cu NPs. Additionally, SERS studies of Ag-Cu alloy NPs were implemented for the detection of explosive molecules such as picric acid (PA - 5 μM), ammonium nitrate (AN - 5 μM) and the dye molecule methylene blue (MB - 5 nM). These alloy NPs exhibited superiority in the detection of various analyte molecules with good reproducibility and high sensitivity with EFs in the range of 10
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.