Recreating nature with dendrite-like self-assembly of magnetite nanoparticles

Author

Reyman, Dolores ; Serrano, Raquel

Author_Institution

Dept. de Quim. Fis. Aplic., Univ. Autonoma de Madrid, Cantoblanco, Spain

Volume

9

Issue

9

fYear

2014

fDate

Sept. 2014

Firstpage

613

Lastpage

616

Abstract

The self-organisation of magnetite nanoparticles (FeNPs) into fractal dendrite-like structures is reported. The fractal alignment was addressed by the diffusion-limited aggregation dynamics of solvent dewetting. Ethylene glycol and folate anion were used as capping agents of the FeNPs. The presence of ethylene glycol is critical for the fractal growth process. X-ray and magnetisation measurements, scanning and transmission electron microscopies, confocal fluorescence and Raman spectroscopies were used to characterise the dendritic structures.

Keywords

Raman spectra; aggregation; dendritic structure; diffusion; fluorescence; iron compounds; magnetisation; nanofabrication; nanomagnetics; nanoparticles; scanning electron microscopy; self-assembly; transmission electron microscopy; Fe₂O₃; Raman spectroscopy; X-ray measurements; confocal fluorescence; dendrite-like self-assembly; dendritic structures; diffusion-limited aggregation dynamics; ethylene glycol; folate anion; fractal dendrite-like structures; fractal growth process; magnetisation measurements; magnetite nanoparticles; scanning electron microscopy; solvent dewetting; transmission electron microscopy;

fLanguage

English

Journal_Title

Micro & Nano Letters, IET

Publisher

iet

ISSN

1750-0443

Type

jour

DOI

10.1049/mnl.2014.0278

Filename

6910095