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Cited by 544

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Colloidal Synthesis and Self-Assembly of CoPt3 Nanocrystals

Shevchenko, Elena V., Talapin, Dmitri V., Rogach, Andrey L., Kornowski, Andreas, Haase, Markus, Weller, Horst·2002·Journal of the American Chemical Society
DOI 10.1021/ja025976l
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Abstract

Reduction of platinum acetylacetonate and thermodecomposition of cobalt carbonyl in the presence of 1-adamantanecarboxylic acid were employed in different coordinating mixtures to produce monodisperse, highly crystalline CoPt(3) nanoparticles. The mean particle size can be varied from 1.5 to 7.2 nm by controlling the reaction conditions and the type of coordinating mixture. As-synthesized CoPt(3) particles represent single crystal domains and have chemically disordered face-centered cubic (fcc) structure. Nearly spherical CoPt(3) nanocrystals were found to assemble into two- (2D) and three-dimensional (3D) structures. An AB(5) type superlattice is observed by TEM after mixing two nanoparticle samples with different mean sizes. Slow precipitation led to the formation of facetted colloidal crystals with sizes up to 20 microm.

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Metadata

Authors
Shevchenko, E. V., Talapin, D. V., Rogach, A. L., Kornowski, A., Haase, M., & Weller, H.
Venue
Journal of the American Chemical Society
Publisher
American Chemical Society (ACS)
Published
2002-08-31
Volume
124
Issue
38
Pages
11480-11485
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
DOI
10.1021/ja025976l
OpenAlex
W2025404656
Cited by
544
References
1
FWCI
23.63
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Colloidal Synthesis and Self-Assembly of CoPt3 Nanocrystals. https://app.cochat.ai/papers/10.1021/ja025976l
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Shevchenko, E. V., Talapin, D. V., Rogach, A. L., Kornowski, A., Haase, M., & Weller, H. (2002). Colloidal Synthesis and Self-Assembly of CoPt3 Nanocrystals. Journal of the American Chemical Society. https://doi.org/10.1021/ja025976l

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