Cited by 128Block Copolymer Self-AssemblyAdvanced Polymer Synthesis and CharacterizationGold and Silver Nanoparticles Synthesis and Applications

Block copolymer-directed metal nanoparticle morphogenesis and organization

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Alexandridis, Paschalis, Tsianou, Marina·2011·European Polymer Journal

Abstract

Advances in the nanoscale design of polymeric, “soft” materials and of metallic, “hard” materials can converge at the “interfaces” to form hybrid nanomaterials with interesting features. Novel optical, magnetic, electronic, and catalytic properties are conferred by metal nanoparticles, depending on their morphology (size and shape), surface properties, and long-range organization. We review here the utilization of block copolymers for the controlled synthesis and stabilization of metal nanoparticles. Solvated block copolymers can provide nanoscale environments of varying and tunable shape, dimensions, mobility, local polarity, concentration, and reactivity. In particular, block copolymers containing poly(ethylene oxide) can exhibit multiple functions on the basis of their organization at the intra-polymer level (i.e., crown ether-like cavities that bind and reduce metal ions), and at the supramolecular level (surface-adsorbed micelles, and ordered arrays of micelles). These block copolymers can thus initiate metal nanoparticle formation, and control the nanoparticle size and shape. The physically adsorbed block copolymers, which can be subsequently removed or exchanged with other functional ligands, stabilize the nanoparticles and can facilitate their integration into diverse processes and products. Block copolymers can be further useful in promoting long-range nanoparticle organization. Several studies have elucidated the nanoparticle synthesis and stabilization mechanism, optimized the conditions for different outcomes, extended the ranges of materials obtained and applications impacted, and generalized the scope of this functional polymer-based nanoparticle synthesis methodology.

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Crossref · 10.1016/j.eurpolymj.2010.10.021

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  • PEO segments in PEO-PPO-PEO triblock copolymer were able to reduce metal ions, forming cavities (pseudocrown ethers) binding PdCl4 2- from starting precursors; bound PdCl4 2- ions might then be reduced via oxidation of oxyethylene segments by the metal center.

    “Shao's group believed that PEO segments in the PEO-PPO-PEO triblock copolymer were able to reduce metal ions, thus forming cavities (pseudocrown ethers) binding PdCl 42-from the starting precursors: the bound PdCl 4 2-ions might then be reduced via oxidation of the oxyethylene segments by the metal center.311,312”

    From Carbon-Supported Pt-Based Alloy Electrocatalysts for the Oxygen Reduction Reaction in Polymer Electrolyte Membrane Fuel Cells: Particle Size, Shape, and Composition Manipulation and Their Impact to Activity (2015) · cites this paper as [311]

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Research works printed but not linked: 3

  1. Hadjichristidis N, Pispas S, Floudas GA. Block copolymers. New York: J. Wiley and Sons; 2003.
  2. Förster S, Antonietti M. Amphiphilic block copolymers in structure- controlled nanomaterial hybrids. Adv Mater 1998;10:195-217.
  3. Aslam M, Fu L, Su M, Vijayamohanan K, Dravid VP. Novel one-step synthesis of amine-stabilized aqueous colloidal gold nanoparticles. J Mater Chem 2004;14:1795-7.

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Authors
Alexandridis, P., & Tsianou, M.
Affiliations
University at Buffalo, State University of New York (US)
Corresponding author
Alexandridis, Paschalis
Venue
European Polymer Journal
Publisher
Elsevier BV
Published
2011-04
Volume
47
Issue
4
Pages
569-583
ISSN
0014-3057 (ISSN-L)
OpenAlex
W2005410026
Cited by
128
References
134
Citations by year
2026: 2 · 2025: 3 · 2024: 7 · 2023: 9 · 2022: 9 · 2021: 5 · 2020: 5 · 2019: 10 · 2018: 9 · 2017: 7 · 2016: 7 · 2015: 9 · 2014: 15 · 2013: 12 · 2012: 17
FWCI
4.86
Type
journal article
Language
en
Open access
Locations
European Polymer Journal (publishedVersion, cc-by-nc-nd)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
Keywords
block copolymers, metal nanoparticles, nanoparticle synthesis, nanoparticle stabilization, poly(ethylene oxide), nanoparticle morphology control, hybrid nanostructures, nanoparticle organization

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