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Issue 5, 2014
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Synthesis of novel ZnV2O4 spinel oxide nanosheets and their hydrogen storage properties

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Abstract

We report the synthesis of ZnV2O4 spinel oxide novel nanosheets via a template free route to explore its potential hydrogen storage properties for the first time. 2D layered nanostructures are excellent candidates for storage applications. This attracted our interest to synthesize novel spinel oxide nanosheets (NSNs) of ZnV2O4. The maximum value for hydrogen absorption in ZnV2O4 nanosheets at 473 K is 1.36 wt.% and 1.74 wt.% at 573 K, respectively. Our hydrogen storage measurements along ZnV2O4 reveal its superiority over previous reports on hydrogen absorption values concerning oxides, nitrides and chalcogenides. To understand the rate-limiting mechanism, various kinetics models are applied. The calculations show that kinetics is governed by 3D growth with constant interface velocity. The measurements point to ZnV2O4 spinel oxide as a promising hydrogen storage material. PL measurements demonstrate the potential for violet/blue optoelectronic devices.

Graphical abstract: Synthesis of novel ZnV2O4 spinel oxide nanosheets and their hydrogen storage properties

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Publication details

The article was received on 15 Sep 2013, accepted on 29 Oct 2013 and first published on 30 Oct 2013


Article type: Paper
DOI: 10.1039/C3CE41859F
Citation: CrystEngComm, 2014,16, 894-899
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    Synthesis of novel ZnV2O4 spinel oxide nanosheets and their hydrogen storage properties

    F. K. Butt, C. Cao, R. Ahmed, W. S. Khan, T. Cao, N. Bidin, P. Li, Q. Wan, X. Qu, M. Tahir and F. Idrees, CrystEngComm, 2014, 16, 894
    DOI: 10.1039/C3CE41859F

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