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Issue 18, 2011
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A facile solvothermal synthesis of hierarchical Sb2Se3nanostructures with high electrochemical hydrogen storage ability

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Abstract

Sb2Se3 carpenterworm-like hierarchical structures composed of numerous sheet-like crystals with a diameter of ca.1 μm and a thickness of ca.40 nm have been fabricated by a simple glucose assisted solvothermal approach in a mixture of solvents. The factors influencing the formation of the hierarchical Sb2Se3 nanostructures are monitored by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) characterization. Based on the time dependent experiments, the aggregation-based process and anisotropic growth mechanism are reasonably proposed to understand the formation mechanism of Sb2Se3 hierarchical architectures. The electrochemical hydrogen storage behavior of the as-prepared products is studied in detail. It is found that the morphology plays a key role in the hydrogen storage capacity of such nanomaterials. The carpenterworm-like of Sb2Se3 presents a much higher discharging capacity (248 mA h g−1) than that of Sb2Se3 microspheres (196 mA h g−1) at room temperature.

Graphical abstract: A facile solvothermal synthesis of hierarchical Sb2Se3 nanostructures with high electrochemical hydrogen storage ability

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Supplementary files

Article information


Submitted
15 Dec 2010
Accepted
03 Mar 2011
First published
25 Mar 2011

J. Mater. Chem., 2011,21, 6628-6635
Article type
Paper

A facile solvothermal synthesis of hierarchical Sb2Se3 nanostructures with high electrochemical hydrogen storage ability

R. Jin, G. Chen, Q. Wang, J. Sun and Y. Wang, J. Mater. Chem., 2011, 21, 6628
DOI: 10.1039/C0JM04392C

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