Accurate Synthesis and Performance of SERS Sensing of Au/Ag Nanocomposites Site-Deposited on Apple Surfaces

In this paper, a highly connected chain-like Au/Ag nanoconfiguration which is synthesized by pulsed laser ablation pathway was investigated as an efficient SERS nanophotonics sensor. Very low SERS detection limit LOD for Thiram is about 10 −8  M (0.024 ppm) that is lower than the allowed limit in th...

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Bibliographic Details
Published in:Plasmonics (Norwell, Mass.) Mass.), 2023-12, Vol.18 (6), p.2137-2142
Main Authors: Mohammed, Mohammed S., Hadi, Iman H., Jawad, Muslim F., Alwan, Alwan M.
Format: Article
Language:English
Subjects:
Biochemistry
Biological and Medical Physics
Biophysics
Biotechnology
Chemistry
Chemistry and Materials Science
Gold
Intestine
Laser ablation
Nanocomposites
Nanotechnology
Pulsed lasers
Silver
Thiram
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Summary:In this paper, a highly connected chain-like Au/Ag nanoconfiguration which is synthesized by pulsed laser ablation pathway was investigated as an efficient SERS nanophotonics sensor. Very low SERS detection limit LOD for Thiram is about 10 −8  M (0.024 ppm) that is lower than the allowed limit in the world of about 240 times. The results showed that the sensor performance (sensitivity) provides an excellent linear relationship between the Thiram concentrations and the SERS intestines, so the lower Thiram residence can efficiently monitor. The main reason behind this efficient performance is significantly related to the high specific surface area and the high density of the Au/Ag nanoconfiguration over the apple’s surface.
ISSN:1557-1955
1557-1963
DOI:10.1007/s11468-023-01927-5