Preparation of stable cubic LaFeO3 nanoparticles using carbon nanotubes as templates

Oana Mihai; Steinar Raaen; De Chen; Anders Holmen

doi:10.1039/C3TA10828G

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Preparation of stable cubic LaFeO₃nanoparticles using carbon nanotubes as templates†

Oana Mihai,^a Steinar Raaen,^b De Chen*^a and Anders Holmen^a

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* Corresponding authors

^a Department of Chemical Engineering, Norwegian University of Science and Technology, 7491 Trondheim, Norway
E-mail: chen@nt.ntnu.no

^b Department of Physics, Norwegian University of Science and Technology, 7491 Trondheim, Norway

Abstract

In the present study, the cubic lanthanum ferrite (LaFeO₃) perovskite nanoparticles with a high surface area (30 m² g⁻¹) have been synthesized, which are stable at high temperatures up to 1173 K. Carbon nanotubes (CNTs) were used as hard templates. The advantages of this synthesis are evidenced in this study by comparing the phase, size and stability of the resulting LaFeO₃ perovskite with those synthesized by using the well-established citrate method. CNTs can stabilize not only the perovskite cubic structure, but also the size.

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Article information

DOI: https://doi.org/10.1039/C3TA10828G
Article type: Communication
Submitted: 26 Feb 2013
Accepted: 23 Apr 2013
First published: 23 Apr 2013

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J. Mater. Chem. A, 2013,1, 7006-7011

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Preparation of stable cubic LaFeO₃ nanoparticles using carbon nanotubes as templates

O. Mihai, S. Raaen, D. Chen and A. Holmen, J. Mater. Chem. A, 2013, 1, 7006 DOI: 10.1039/C3TA10828G

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Journal of Materials Chemistry A