Stabilization of gold nanospheres and nanorods in diblock copolymers of styrene and vinylpyridine

Y. I. Derikov, C. Abetz, G. A. Shandryuk, R. V. Talroze, A. A. Ezhov, V. Abetz, Y. V. Kudryavtsev, M. A. Osipov

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Composites based on microphase-separated diblock copolymers of styrene with vinylpyridine and gold nanoparticles, in which the block copolymers play simultaneously both the role of a stabilizer preventing the aggregation of nanoparticles and a matrix providing their selective arrangement within domains of the predefined type, are obtained for the first time. The suggested approach implies no use of additional stabilizers and is efficient for both initially organic dispersed small (~5 nm) spheres and hydrasols of larger (9 × 30 nm) rodlike nanoparticles. Nanospheres are introduced into the composites via replacement of a labile stabilizer used in synthesis with the diblock copolymer, while nanorods synthesized in aqueous media by the two-stage method are incorporated via phase transfer mediated by the diblock copolymer. Films capable of microphase separation leading to the formation of vinylpyridine cylindrical domains with a diameter of tens nanometers are spin-coated from the obtained composites. The content of nanoparticles in the composites is up to 5 wt %; they are dispersed and arranged predominantly within vinylpyridine domains, with nanospheres being localized near domain boundaries, while nanorods being mainly oriented perpendicularly to the axis of cylinders.

LanguageEnglish
Pages78-85
Number of pages8
JournalPolymer Science - Series C
Volume60
Issue number1
DOIs
Publication statusPublished - 30 Sep 2018

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Nanospheres
Nanorods
Gold
Block copolymers
Styrene
Stabilization
Nanoparticles
Composite materials
Microphase separation
Agglomeration
styrofoam

Keywords

  • diblock copolymers
  • vinylpryidine
  • nanorods

Cite this

Derikov, Y. I. ; Abetz, C. ; Shandryuk, G. A. ; Talroze, R. V. ; Ezhov, A. A. ; Abetz, V. ; Kudryavtsev, Y. V. ; Osipov, M. A. / Stabilization of gold nanospheres and nanorods in diblock copolymers of styrene and vinylpyridine. In: Polymer Science - Series C. 2018 ; Vol. 60, No. 1. pp. 78-85.
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Derikov, YI, Abetz, C, Shandryuk, GA, Talroze, RV, Ezhov, AA, Abetz, V, Kudryavtsev, YV & Osipov, MA 2018, 'Stabilization of gold nanospheres and nanorods in diblock copolymers of styrene and vinylpyridine' Polymer Science - Series C, vol. 60, no. 1, pp. 78-85. https://doi.org/10.1134/S1811238218010034

Stabilization of gold nanospheres and nanorods in diblock copolymers of styrene and vinylpyridine. / Derikov, Y. I.; Abetz, C.; Shandryuk, G. A.; Talroze, R. V.; Ezhov, A. A.; Abetz, V.; Kudryavtsev, Y. V.; Osipov, M. A.

In: Polymer Science - Series C, Vol. 60, No. 1, 30.09.2018, p. 78-85.

Research output: Contribution to journalArticle

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AU - Ezhov, A. A.

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