Issue 7, 2015

Ethylenediamine-assisted crystallization of Fe2O3 microspindles with controllable size and their pseudocapacitance performance

Abstract

In the present work, size-tunable Fe2O3 microspindles were crystallized by a simple feasible ethylenediamine (EN) ligand-controlled hydrothermal approach. The size of Fe2O3 microspindles can be controlled from several hundreds of nanometers to above 1 micrometer. Fe2O3 particles with spindle-like structure can be controlled well via the assistance of EN. A clear growth pathway of the EN-assisted synthesis of Fe2O3 microspindles was illustrated by us. As-obtained Fe2O3 microspindles in different sizes exhibit high specific capacitance values of 558.7, 496.6, 504.7 and 271.0 F gāˆ’1, which are much higher than previous reported results. The smaller size of Fe2O3 microspindles can lead to higher specific capacitance.

Graphical abstract: Ethylenediamine-assisted crystallization of Fe2O3 microspindles with controllable size and their pseudocapacitance performance

Supplementary files

Article information

Article type
Communication
Submitted
06 Dec 2014
Accepted
31 Dec 2014
First published
07 Jan 2015

CrystEngComm, 2015,17, 1521-1525

Ethylenediamine-assisted crystallization of Fe2O3 microspindles with controllable size and their pseudocapacitance performance

M. Zhang, K. Chen, X. Chen, X. Peng, X. Sun and D. Xue, CrystEngComm, 2015, 17, 1521 DOI: 10.1039/C4CE02417F

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