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Single-Step Synthesis and Stabilization of Metal Nanoparticles in Aqueous Pluronic Block Copolymer Solutions at Ambient Temperature
Abstract
A single-step synthesis of gold nanoparticles with an average diameter of approximately 10 nm from hydrogen tetrachloroaureate(III) hydrate (HAuCl4.3H2O) has been achieved in air-saturated aqueous solutions that contain poly(ethylene oxide)-poly(propylene oxide)-poly(ethylene oxide) (PEO-PPO-PEO) block copolymers but not any other reducing agent. These amphiphilic block copolymers act as both reductants and colloidal stabilizers and prove very efficient in both functions. The formation of gold nanoparticles is controlled by the overall molecular weight and relative block length of the block copolymer. The synthesis procedure reported here is environmentally benign and economic, as it involves the minimum possible number of components: it uses water as the solvent, it uses commercially available polymers, it proceeds fast to completion, and it results in a "ready-to-use" product.
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Citations
Cited by
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Pachón, L. D., & Rothenberg, G. (2008) · Applied Organometallic Chemistry · doi:10.1002/aoc.1382 · Cited by 443
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Akash, M. S. H., & Rehman, K. (2015) · Journal of Controlled Release · doi:10.1016/j.jconrel.2015.04.032 · Cited by 394
Using Cylindrical Domains of Block Copolymers To Self-Assemble and Align Metallic Nanowires
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Block copolymer micelles as delivery vehicles of hydrophobic drugs: Micelle–cell interactions
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Metadata
- Authors
- Sakai, T., & Alexandridis, P.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-09-01
- Volume
- 20
- Issue
- 20
- Pages
- 8426-8430
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2090903914
- Cited by
- 300
- References
- 0
- FWCI
- 7.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sakai, T., & Alexandridis, P. (2004). Single-Step Synthesis and Stabilization of Metal Nanoparticles in Aqueous Pluronic Block Copolymer Solutions at Ambient Temperature. Langmuir. https://doi.org/10.1021/la049514s
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