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Cited by 456

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Prussian Blue Nanoparticles Protected by Poly(vinylpyrrolidone)

Uemura, Takashi, Kitagawa, Susumu·2003·Journal of the American Chemical Society

Abstract

Prussian blue (PB) nanoparticles protected by poly(vinylpyrrolidone) (PVP) were prepared by mixing aqueous Fe2+, Fe(CN)63-, and PVP solutions together and were characterized by UV-vis, IR, XRPD, and TEM. Averaged dimensions of the nanoparticles were controlled between 12 and 27 nm depending on initial Fe ion concentrations and feed ratios of Fe ion to PVP. Solubility of PB bulk in organic solvents is considerably low; nevertheless, formations of the PB nanoparticles dramatically increase the solubility in a variety of organic solvents. It is noteworthy that the PVP-protected PB nanoparticles stably maintain the cluster formations without further aggregations and dissociation in CHCl3 over 1 month. Measurement of the critical temperature (Tc) where PB nanoparticles exhibit a ferromagnetic property showed a gradual decrease of Tc for the nanoparticles as the particle sizes become smaller. This result could be ascribed to the reduction of the averaged numbers of magnetic interacted neighbors.

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Metadata

Authors
Uemura, T., & Kitagawa, S.
Venue
Journal of the American Chemical Society
Published
2003-06-07
Volume
125
Issue
26
Pages
7814-7815
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2053027138
Cited by
456
References
1
FWCI
13.05
Type
journal article
Language
en
Open access
closed

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