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Hydroxylamine Seeding of Colloidal Au Nanoparticles in Solution and on Surfaces
Abstract
A new route to the synthesis of colloidal Au nanoparticles with diameters between 30 and 100 nm is described. On the basis of surface-catalyzed reduction of Au 3+ by NH 2 OH, the approach grows existing nanoparticles into larger particles of a size determined solely by the initial particle diameter and the amount of Au 3+ added. The resulting particles exhibit improved monodispersity relative to those prepared in one step by the reduction of Au 3+ by citrate. Importantly, surface-confined colloidal Au nanoparticles can also be enlarged by this method, providing an attractive route to colloidal Au monolayers with variable interparticle spacing (at fixed particle coverage).
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Citations
Cited by
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Leopold, N., & Lendl, B. (2003) · The Journal of Physical Chemistry B · doi:10.1021/jp027460u · Cited by 1,208
State of the art in gold nanoparticle synthesis
Zhao, P., Li, N., & Astruc, D. (2013) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2012.09.002 · Cited by 964
High‐Density Stretchable Electrode Grids for Chronic Neural Recording
Tybrandt, K., Khodagholy, D., Dielacher, B., Stauffer, F., Renz, A. F., Buzsáki, G., & Vörös, J. (2018) · Advanced Materials · doi:10.1002/adma.201706520 · Cited by 286
One‐Nanometer‐Scale Size‐Controlled Synthesis of Monodisperse Magnetic Iron Oxide Nanoparticles
Park, J., Lee, E., Hwang, N., Kang, M., Kim, S. C., Hwang, Y., Park, J., Noh, H., Kim, J., Park, J., et al. (2005) · Angewandte Chemie · doi:10.1002/ange.200461665 · Cited by 175
Metadata
- Authors
- Brown, K. R., & Natan, M. J.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-01-22
- Volume
- 14
- Issue
- 4
- Pages
- 726-728
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W1978363318
- Cited by
- 538
- References
- 0
- FWCI
- 5.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Brown, K. R., & Natan, M. J. (1998). Hydroxylamine Seeding of Colloidal Au Nanoparticles in Solution and on Surfaces. Langmuir. https://doi.org/10.1021/la970982u
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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).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
