Self-assembly Ag nanoparticle monolayer film as SERS Substrate for pesticide detection

[Display omitted] ► A simple self-assembled method was used to fabricate ordered Ag nanosized film. ► The assembled ordered Ag nanosized film was monolayer, and the ordered film with large area. ► The assembled monolayer film with excellent Raman enhancement and reproducibility, which has been used...

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Vydáno v:Applied surface science Ročník 270; s. 292 - 294
Hlavní autor: Zhang, Li
Médium: Journal Article
Jazyk:angličtina
Vydáno: Amsterdam Elsevier B.V 01.04.2013
Elsevier
Témata:
Ag nanoparticle
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science; rheology
Electronics
Exact sciences and technology
Methyl-parathion
Microscopy
Monolayers
Nanostructure
Physics
Raman scattering
Reproducibility
Scanning
Self assembly
SERS
Silver
Self-assembly
Ag nanoparticle
SERS
Methyl-parathion
Nanoparticles
Nanostructured materials
ISSN:0169-4332, 1873-5584
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Shrnutí:[Display omitted] ► A simple self-assembled method was used to fabricate ordered Ag nanosized film. ► The assembled ordered Ag nanosized film was monolayer, and the ordered film with large area. ► The assembled monolayer film with excellent Raman enhancement and reproducibility, which has been used to detect pesticide. A self-assembled protocol is introduced to provide effective platforms for the fabrication of ordered Ag nanosized monolayer film. The assembled Ag nanosized monolayer film was characterized using scanning electronic microscopy and surface-enhanced Raman scattering (SERS). The results show that the assembled SERS substrate own excellent Raman enhancement and reproducibility. The synthesized SERS-active substrate was further used to detect methyl-parathion, and the limitation of detection can reach 10−7M.
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ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2013.01.014