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Cited by 253

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Mixed Silver/Gold Colloids: A Study of Their Formation, Morphology, and Surface-Enhanced Raman Activity

Rivas, L., Sanchez-Cortes, S., García-Ramos, J. V., Morcillo, G.·2000·Langmuir
DOI 10.1021/la000557s
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Abstract

Ag-coated Au and Au-coated Ag colloidal particles were prepared by deposition of Ag or Au through chemical reduction on Au or Ag colloids, respectively. Different amounts of the depositing metal were employed in order to obtain different compositions of the Au 100 - x Ag x and Ag 100 - y Au y resulting particles. The obtained colloids were characterized by UV−vis spectroscopy and transmission electron microscopy. A different formation mechanism was deduced for the different mixed colloids obtained by this procedure. Moreover, the activity of these colloids in surface-enhanced Raman spectroscopy (SERS), that is, the SERS enhancement factor, was checked by using pyridine as an adsorbate probe. The SERS excitation profiles for each colloid were investigated in order to obtain information about the activity of these substrates at different excitation wavelengths as well as to estimate the relative exposed area of each metal in every composite colloid.

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Metadata

Authors
Rivas, L., Sanchez-Cortes, S., García-Ramos, J. V., & Morcillo, G.
Venue
Langmuir
Publisher
American Chemical Society (ACS)
Published
2000-11-10
Volume
16
Issue
25
Pages
9722-9728
ISSN
  • 0743-7463 (ISSN-L)
  • 1520-5827
DOI
10.1021/la000557s
OpenAlex
W2092957348
Cited by
253
References
1
FWCI
3.20
Type
journal article
Language
en
Open access
closed

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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