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Photoluminescence from nanosize gold clusters
Abstract
We have observed visible light emission from nanosize gold clusters. Liquid chromatographic analysis of the metal clusters shows that relatively intense photoluminescence occurs only when the size of the metal nanocluster is sufficiently small (<5 nm). The emission is strongly Stokes shifted and is assigned to radiative recombination of Fermi level electrons and sp- or d-band holes. The electron and/or hole states are perturbed by surface states, as indicated by the dependence of the emission spectrum on the nature of the cluster surface. Finally, we found that large, nonemitting gold clusters can also be made luminescent by partial dissolution using KCN.
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Citations
Cited by
Chemistry and Properties of Nanocrystals of Different Shapes
Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.545 · Cited by 4,353
Photophysical, Photochemical and Photocatalytic Aspects of Metal Nanoparticles
Kamat, P. V. (2002) · The Journal of Physical Chemistry B · doi:10.1021/jp0209289 · Cited by 1,924
Gold Nanorods: From Synthesis and Properties to Biological and Biomedical Applications
Huang, X., Neretina, S., & El‐Sayed, M. A. (2009) · Advanced Materials · doi:10.1002/adma.200802789 · Cited by 1,921
Gold Nanomaterials at Work in Biomedicine
Yang, X., Yang, M., Pang, B., Vara, M., & Xia, Y. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00193 · Cited by 1,162
Metadata
- Authors
- Wilcoxon, J. P., Martin, J. E., Parsapour, F., Wiedenman, B., & Kelley, D. F.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 1998-06-01
- Volume
- 108
- Issue
- 21
- Pages
- 9137-9143
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W1988918140
- Cited by
- 507
- References
- 0
- FWCI
- 4.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wilcoxon, J. P., Martin, J. E., Parsapour, F., Wiedenman, B., & Kelley, D. F. (1998). Photoluminescence from nanosize gold clusters. The Journal of Chemical Physics. https://doi.org/10.1063/1.476360
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