Synthesis of Small Atomic Copper Clusters in Microemulsions
1
Facultade de Química, Departamento de Química Física, Avenida das Ciencias, s/n, 15782 Santiago de Compostela, Spain
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2
Facultade de Física, Departamento de Física Aplicada, Campus Sur, 15782 Santiago de Compostela, Spain
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Publication type: Journal Article
Publication date: 2009-06-22
scimago Q1
wos Q2
SJR: 0.763
CiteScore: 6.0
Impact factor: 3.9
ISSN: 07437463, 15205827
PubMed ID:
19545135
Spectroscopy
Electrochemistry
Condensed Matter Physics
General Materials Science
Surfaces and Interfaces
Abstract
We report evidence of the formation of small atomic copper clusters, Cu(n), by the microemulsion technique, and how their size can be controlled by adjusting the percentage of the reducing agent used. Copper clusters were characterized by UV-visible spectrophotometry and atomic force microscopy. Photoluminescent copper clusters, Cu(n), with n less, similar 13, can be obtained using very low percentages of the reducing agent (<10% of the stochiometric amount). Photoluminescent clusters disappear for larger percentages of reducing agent, giving rise to larger copper clusters (0.8-2.0 nm), showing a red-shift of their UV-visible absorption bands as they grow in size. Finally, by using near stoichiometric amounts, nanoparticles of 2.9 +/- 1.1 nm in size, displaying the characteristic plasmon band, can be obtained.
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172
Total citations:
172
Citations from 2025:
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(5.81%)
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GOST
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Vázquez-Vázquez C. et al. Synthesis of Small Atomic Copper Clusters in Microemulsions // Langmuir. 2009. Vol. 25. No. 14. pp. 8208-8216.
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Vázquez-Vázquez C., Du J., Mitra A., López-Quintela M. A., Rivas J. J. Synthesis of Small Atomic Copper Clusters in Microemulsions // Langmuir. 2009. Vol. 25. No. 14. pp. 8208-8216.
Cite this
RIS
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TY - JOUR
DO - 10.1021/la900100w
UR - https://doi.org/10.1021/la900100w
TI - Synthesis of Small Atomic Copper Clusters in Microemulsions
T2 - Langmuir
AU - Vázquez-Vázquez, C.
AU - Du, Jianzhong
AU - Mitra, A
AU - López-Quintela, M. Arturo
AU - Rivas, Juan J.
PY - 2009
DA - 2009/06/22
PB - American Chemical Society (ACS)
SP - 8208-8216
IS - 14
VL - 25
PMID - 19545135
SN - 0743-7463
SN - 1520-5827
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2009_Vázquez-Vázquez,
author = {C. Vázquez-Vázquez and Jianzhong Du and A Mitra and M. Arturo López-Quintela and Juan J. Rivas},
title = {Synthesis of Small Atomic Copper Clusters in Microemulsions},
journal = {Langmuir},
year = {2009},
volume = {25},
publisher = {American Chemical Society (ACS)},
month = {jun},
url = {https://doi.org/10.1021/la900100w},
number = {14},
pages = {8208--8216},
doi = {10.1021/la900100w}
}
Cite this
MLA
Copy
Vázquez-Vázquez, C., et al. “Synthesis of Small Atomic Copper Clusters in Microemulsions.” Langmuir, vol. 25, no. 14, Jun. 2009, pp. 8208-8216. https://doi.org/10.1021/la900100w.