Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same
Abstract
A method for producing metal nanoparticles that when associated with an analyte material will generate an amplified SERS spectrum when the analyte material is illuminated by a light source and a spectrum is recorded. The method for preparing the metal nanoparticles comprises the steps of (i) forming a water-in-oil microemulsion comprising a bulk oil phase, a dilute water phase, and one or more surfactants, wherein the water phase comprises a transition metal ion; (ii) adding an aqueous solution comprising a mild reducing agent to the water-in-oil microemulsion; (iii) stirring the water-in-oil microemulsion and aqueous solution to initiate a reduction reaction resulting in the formation of a fine precipitate dispersed in the water-in-oil microemulsion; and (iv) separating the precipitate from the water-in-oil microemulsion.
- Inventors:
-
- San Francisco, CA
- Livermore, CA
- Issue Date:
- Research Org.:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 971534
- Patent Number(s):
- 7608461
- Application Number:
- 11/228,934
- Assignee:
- Sandia Corporation (Livermore, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B22 - CASTING B22F - WORKING METALLIC POWDER
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY
Citation Formats
Simmons, Blake A, and Talin, Albert Alec. Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same. United States: N. p., 2009.
Web.
Simmons, Blake A, & Talin, Albert Alec. Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same. United States.
Simmons, Blake A, and Talin, Albert Alec. Fri .
"Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same". United States. https://www.osti.gov/servlets/purl/971534.
@article{osti_971534,
title = {Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same},
author = {Simmons, Blake A and Talin, Albert Alec},
abstractNote = {A method for producing metal nanoparticles that when associated with an analyte material will generate an amplified SERS spectrum when the analyte material is illuminated by a light source and a spectrum is recorded. The method for preparing the metal nanoparticles comprises the steps of (i) forming a water-in-oil microemulsion comprising a bulk oil phase, a dilute water phase, and one or more surfactants, wherein the water phase comprises a transition metal ion; (ii) adding an aqueous solution comprising a mild reducing agent to the water-in-oil microemulsion; (iii) stirring the water-in-oil microemulsion and aqueous solution to initiate a reduction reaction resulting in the formation of a fine precipitate dispersed in the water-in-oil microemulsion; and (iv) separating the precipitate from the water-in-oil microemulsion.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Nov 27 00:00:00 EST 2009},
month = {Fri Nov 27 00:00:00 EST 2009}
}
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