The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Control of Gold Nanoparticle Aggregates by Manipulation of Interparticle Interaction
Abstract
The size of gold nanoparticle aggregates was controlled by manipulating the interparticle interaction. To manipulate the interparticle interaction of gold nanoparticles prepared by citrate reduction, we applied the substitutive adsorption of benzyl mercaptan on the particle surface in the absence of the cross-linking effect. Various experimental techniques such as UV-vis absorption spectroscopy, surface-enhanced Raman scattering, quasi-elastic light scattering, and zeta-potential measurement were used to characterize the nanoparticle aggregates. Our results suggest that the replacement of the trivalent citrate ions adsorbed on the nanoparticle surface with monovalent benzyl mercaptan ions should destabilize the particles, causing aggregation and hence the increase in the size of nanoparticle aggregates. These experimental results were successfully rationalized by the classical DLVO (Derjaguin-Landau-Vervey-Overbeek) theory that describes the interparticle interaction and colloidal stability in solution. Our findings suggest that the control of surface potential is crucial in the design of stable gold nanoparticle aggregates.
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Chen, S., & Kimura, K. (1999) · Langmuir · doi:10.1021/la9812828 · Cited by 362
Cited by
Ghosh, S. K., & Pal, T. (2007) · Chemical Reviews · doi:10.1021/cr0680282 · Cited by 2,782
Raman Techniques: Fundamentals and Frontiers
Jones, R. R., Hooper, D. C., Zhang, L., Wolverson, D., & Valev, V. K. (2019) · Nanoscale Research Letters · doi:10.1186/s11671-019-3039-2 · Cited by 804
The application of nanoparticles in point-of-care testing (POCT) immunoassays
Hou, F., Sun, S., Abdullah, S. W., Tang, Y., Li, X., & Guo, H. (2023) · Analytical Methods · doi:10.1039/d3ay00182b · Cited by 61
Metadata
- Authors
- Kim, T., Lee, K., Gong, M.-S., & Joo, S.-W.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-09-08
- Volume
- 21
- Issue
- 21
- Pages
- 9524-9528
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2012882568
- Cited by
- 263
- References
- 1
- FWCI
- 4.21
- Type
- journal article
- Language
- en
- Open access
- closed
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