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Nanomaterials 2013, 3(1), 158-172; doi:10.3390/nano3010158
Article

Surface Enhanced Raman Scattering (SERS) Studies of Gold and Silver Nanoparticles Prepared by Laser Ablation

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Received: 15 December 2012; in revised form: 1 February 2013 / Accepted: 7 February 2013 / Published: 1 March 2013
(This article belongs to the Special Issue New Developments in Nanomaterial Analysis)
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Abstract: Gold and silver nanoparticles (NPs) were prepared in water, acetonitrile and isopropanol by laser ablation methodologies. The average characteristic (longer) size of the NPs obtained ranged from 3 to 70 nm. 4-Aminobenzebethiol (4-ABT) was chosen as the surface enhanced Raman scattering (SERS) probe molecule to determine the optimum irradiation time and the pH of aqueous synthesis of the laser ablation-based synthesis of metallic NPs. The synthesized NPs were used to evaluate their capacity as substrates for developing more analytical applications based on SERS measurements. A highly energetic material, TNT, was used as the target compound in the SERS experiments. The Raman spectra were measured with a Raman microspectrometer. The results demonstrate that gold and silver NP substrates fabricated by the methods developed show promising results for SERS-based studies and could lead to the development of micro sensors.
Keywords: laser ablation; Au and Ag NP; Raman spectroscopy; SERS; explosives laser ablation; Au and Ag NP; Raman spectroscopy; SERS; explosives
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Herrera, G.M.; Padilla, A.C.; Hernandez-Rivera, S.P. Surface Enhanced Raman Scattering (SERS) Studies of Gold and Silver Nanoparticles Prepared by Laser Ablation. Nanomaterials 2013, 3, 158-172.

AMA Style

Herrera GM, Padilla AC, Hernandez-Rivera SP. Surface Enhanced Raman Scattering (SERS) Studies of Gold and Silver Nanoparticles Prepared by Laser Ablation. Nanomaterials. 2013; 3(1):158-172.

Chicago/Turabian Style

Herrera, Gloria M.; Padilla, Amira C.; Hernandez-Rivera, Samuel P. 2013. "Surface Enhanced Raman Scattering (SERS) Studies of Gold and Silver Nanoparticles Prepared by Laser Ablation." Nanomaterials 3, no. 1: 158-172.


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