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Influence of synthesis temperature on the growth and surface morphology of Co3O4 Nanocubes for supercapacitor applications

Samal, R., Dash, B., Sarangi, C., Sanjay, K., Subbaiah, T., Senanayake, G. and Minakshi, M. (2017) Influence of synthesis temperature on the growth and surface morphology of Co3O4 Nanocubes for supercapacitor applications. Nanomaterials, 7 (11).

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Abstract

A facile hydrothermal route to control the crystal growth on the synthesis of Co3O4 nanostructures with cube-like morphologies has been reported and tested its suitability for supercapacitor applications. The chemical composition and morphologies of the as-prepared Co3O4 nanoparticles were extensively characterized using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Varying the temperature caused considerable changes in the morphology, the electrochemical performance increased with rising temperature, and the redox reactions become more reversible. The results showed that the Co3O4 synthesized at a higher temperature (180 °C) demonstrated a high specific capacitance of 833 F/g. This is attributed to the optimal temperature and the controlled growth of nanocubes.

Publication Type: Journal Article
Murdoch Affiliation: School of Engineering and Information Technology
Publisher: MDPI
Copyright: © 2017 MDPI AG
URI: http://researchrepository.murdoch.edu.au/id/eprint/39392
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