Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening.
2
Publication type: Journal Article
Publication date: 2011-07-29
scimago Q1
wos Q2
SJR: 0.763
CiteScore: 6.0
Impact factor: 3.9
ISSN: 07437463, 15205827
PubMed ID:
21728302
Spectroscopy
Electrochemistry
Condensed Matter Physics
General Materials Science
Surfaces and Interfaces
Abstract
Monodisperse citrate-stabilized gold nanoparticles with a uniform quasi-spherical shape of up to ∼200 nm and a narrow size distribution were synthesized following a kinetically controlled seeded growth strategy via the reduction of HAuCl(4) by sodium citrate. The inhibition of any secondary nucleation during homogeneous growth was controlled by adjusting the reaction conditions: temperature, gold precursor to seed particle concentration, and pH. This method presents improved results regarding the traditional Frens method in several aspects: (i) it produces particles of higher monodispersity; (ii) it allows better control of the gold nanoparticle size and size distribution; and (iii) it leads to higher concentrations. Gold nanoparticles synthesized following this method can be further functionalized with a wide variety of molecules, hence this method appears to be a promising candidate for application in the fields of biomedicine, photonics, and electronics, among others.
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Bastus N. et al. Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening. // Langmuir. 2011. Vol. 27. No. 17. pp. 11098-11105.
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Bastus N., Comenge J., Puntes V. Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening. // Langmuir. 2011. Vol. 27. No. 17. pp. 11098-11105.
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TY - JOUR
DO - 10.1021/la201938u
UR - https://doi.org/10.1021/la201938u
TI - Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening.
T2 - Langmuir
AU - Bastus, N.G.
AU - Comenge, Joan
AU - Puntes, V.F.
PY - 2011
DA - 2011/07/29
PB - American Chemical Society (ACS)
SP - 11098-11105
IS - 17
VL - 27
PMID - 21728302
SN - 0743-7463
SN - 1520-5827
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Bastus,
author = {N.G. Bastus and Joan Comenge and V.F. Puntes},
title = {Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening.},
journal = {Langmuir},
year = {2011},
volume = {27},
publisher = {American Chemical Society (ACS)},
month = {jul},
url = {https://doi.org/10.1021/la201938u},
number = {17},
pages = {11098--11105},
doi = {10.1021/la201938u}
}
Cite this
MLA
Copy
Bastus, N.G., et al. “Kinetically controlled seeded growth synthesis of citrate-stabilized gold nanoparticles of up to 200 nm: size focusing versus Ostwald ripening..” Langmuir, vol. 27, no. 17, Jul. 2011, pp. 11098-11105. https://doi.org/10.1021/la201938u.