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Formation and Stabilization of Silver Nanoparticles through Reduction by N,N-Dimethylformamide
Abstract
The reduction of Ag + ions in N, N -dimethylformamide (DMF) is shown to take place spontaneously at room temperature. When no other additives are present in the system, the slow reduction leads to silver deposition on the glass walls of the container, while in the presence of 3-aminopropyltrimethoxysilane (APS) stable dispersions of silver nanoparticles are obtained. Even though the reduction can be performed at room temperature, higher temperatures markedly increase the reaction rate and improve the monodispersity of the colloid. The reduction rate and morphology of the colloidal particles also depend on the ratio [Ag]/[APS]. The reduction takes place both with nitrate and perchlorate as counterions, which confirms that DMF plays the role of a reducing agent. Additionally, when excess APS is used, a thin, homogeneous silica shell is formed on the silver particle surface.
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Citations
Cited by
Synthesis of Silver Nanoprisms in DMF
Pastoriza-Santos, I., & Liz-Marzán, L. M. (2002) · Nano Letters · doi:10.1021/nl025638i · Cited by 699
Self-citationAntimicrobial cellulose acetate nanofibers containing silver nanoparticles
Son, W. K., Youk, J. H., & Park, W. H. (2006) · Carbohydrate Polymers · doi:10.1016/j.carbpol.2006.01.037 · Cited by 462
Solvothermal Synthesis of Platinum Alloy Nanoparticles for Oxygen Reduction Electrocatalysis
Carpenter, M. K., Moylan, T. E., Kukreja, R. S., Atwan, M. H., & Tessema, M. M. (2012) · Journal of the American Chemical Society · doi:10.1021/ja300756y · Cited by 429
One-Pot Synthesis of Ag@TiO2 Core−Shell Nanoparticles and Their Layer-by-Layer Assembly
Pastoriza-Santos, I., Koktysh, D. S., Mamedov, A. A., Giersig, M., Kotov, N. A., & Liz-Marzán, L. M. (2000) · Langmuir · doi:10.1021/la991212g · Cited by 329
Self-citationControlled synthesis and functionalization of ordered large-pore mesoporous carbons
Deng, Y., Cai, Y., Sun, Z., Gu, D., Wei, J., Li, W., Guo, X., Yang, J., & Zhao, D. (2010) · Advanced Functional Materials · doi:10.1002/adfm.201001202 · Cited by 139
Metadata
- Authors
- Pastoriza-Santos, I., & Liz-Marzán, L. M.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-01-15
- Volume
- 15
- Issue
- 4
- Pages
- 948-951
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2071969859
- Cited by
- 534
- References
- 0
- FWCI
- 4.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pastoriza-Santos, I., & Liz-Marzán, L. M. (1999). Formation and Stabilization of Silver Nanoparticles through Reduction by N,N-Dimethylformamide. Langmuir. https://doi.org/10.1021/la980984u
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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