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Issue 23, 2012
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Constrained growth of anisotropic magnetic δ-FeOOH nanoparticles in the presence of humic substances

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Abstract

Natural polyelectrolytes, humic substances, are suggested to control in situ growth of feroxyhyte nanoparticles of a highly reduced mean size and with enhanced colloidal stability in salt solutions. The feroxyhyte is formed as 2–5 nm thick and 20 × 20 nm wide nanoflakes due to the blocking of developing facets of feroxyhyte and constraints caused by diffusion limitations of ionic constituents across partially charged branches of humic substances.

Graphical abstract: Constrained growth of anisotropic magnetic δ-FeOOH nanoparticles in the presence of humic substances

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Article information


Submitted
04 Jun 2012
Accepted
29 Aug 2012
First published
29 Aug 2012

CrystEngComm, 2012,14, 8097-8102
Article type
Paper

Constrained growth of anisotropic magnetic δ-FeOOH nanoparticles in the presence of humic substances

A. Yu. Polyakov, A. E. Goldt, T. A. Sorkina, I. V. Perminova, D. A. Pankratov, E. A. Goodilin and Y. D. Tretyakov, CrystEngComm, 2012, 14, 8097
DOI: 10.1039/C2CE25886B

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