Open Access
Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles.
Megan S Holden
1, 2, 3, 4
,
KEVIN E. NICK
2, 3, 4, 5
,
Mia Hall
6, 7
,
Jamie R Milligan
8, 9, 10
,
Qiao Chen
11, 12, 13, 14
,
Christopher Perry
1, 2, 3, 4
1
Department of Basic Sciences
2
School of Medicine
3
Loma Linda University
|
4
Loma Linda, USA
|
5
Department of Earth and Biological Sciences
7
Elizabeth City, USA
|
8
Department of Radiology
9
University Of California
|
10
San Diego, USA
|
11
Chemistry department
12
School of Life Sciences
13
Sussex University
14
Brighton, UK
|
Publication type: Journal Article
Publication date: 2014-10-13
scimago Q1
wos Q2
SJR: 0.777
CiteScore: 7.6
Impact factor: 4.6
ISSN: 20462069
PubMed ID:
25580244
General Chemistry
General Chemical Engineering
Abstract
In this report, we demonstrate a rapid, simple, and green method for synthesizing silver-gold (Ag-Au) bimetallic nanoparticles (BNPs). We used a novel modification to the galvanic replacement reaction by suspending maltose coated silver nanoparticles (NPs) in ≈ 2% aqueous solution of EO100PO65EO100 (Pluronic F127) prior to HAuCl4 addition. The Pluronic F127 stabilizes the BNPs, imparts biocompatibility, and mitigates the toxicity issues associated with other surfactant stabilizers. BNPs with higher Au:Ag ratios and, subsequently, different morphologies were successfully synthesized by increasing the concentration of gold salt added to the Ag NP seeds. These BNPs have enhanced catalytic activities than typically reported for monometallic Au or Ag NPs (∼ 2-10 fold) of comparable sizes in the sodium borohydride reduction of 4-nitrophenol. The 4-nitrophenol reduction rates were highest for partially hollow BNP morphologies.
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Total citations:
70
Citations from 2025:
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(7.14%)
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GOST
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Holden M. S. et al. Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles. // RSC Advances. 2014. Vol. 4. No. 94. pp. 52279-52288.
GOST all authors (up to 50)
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Holden M. S., NICK K. E., Hall M., Milligan J. R., Chen Q., Perry C. Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles. // RSC Advances. 2014. Vol. 4. No. 94. pp. 52279-52288.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1039/C4RA07581A
UR - https://doi.org/10.1039/C4RA07581A
TI - Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles.
T2 - RSC Advances
AU - Holden, Megan S
AU - NICK, KEVIN E.
AU - Hall, Mia
AU - Milligan, Jamie R
AU - Chen, Qiao
AU - Perry, Christopher
PY - 2014
DA - 2014/10/13
PB - Royal Society of Chemistry (RSC)
SP - 52279-52288
IS - 94
VL - 4
PMID - 25580244
SN - 2046-2069
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2014_Holden,
author = {Megan S Holden and KEVIN E. NICK and Mia Hall and Jamie R Milligan and Qiao Chen and Christopher Perry},
title = {Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles.},
journal = {RSC Advances},
year = {2014},
volume = {4},
publisher = {Royal Society of Chemistry (RSC)},
month = {oct},
url = {https://doi.org/10.1039/C4RA07581A},
number = {94},
pages = {52279--52288},
doi = {10.1039/C4RA07581A}
}
Cite this
MLA
Copy
Holden, Megan S., et al. “Synthesis and Catalytic Activity of Pluronic Stabilized Silver-Gold Bimetallic Nanoparticles..” RSC Advances, vol. 4, no. 94, Oct. 2014, pp. 52279-52288. https://doi.org/10.1039/C4RA07581A.