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

Butt, Faheem K. and Cao, Chuanbao and Ahmed, Rashid and Khan, Waheed S. and Cao, Tai and Bidin, Noriah and Li, Ping and Wan, Qi and Qu, Xuanhui and Tahir, Muhammad and Idrees, Faryal (2014) Synthesis of novel ZnV2O4 spinel oxide nanosheets and their hydrogen storage properties. Crystengcomm, 16 (5). pp. 894-899. ISSN 1466-8033

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Official URL: http://dx.doi.org/10.1039/c3ce41859f


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 ZnV 2O4 spinel oxide as a promising hydrogen storage material. PL measurements demonstrate the potential for violet/blue optoelectronic devices.

Item Type:Article
Uncontrolled Keywords:hollow spheres, graphene
Subjects:Q Science
ID Code:62794
Deposited By: Fazli Masari
Deposited On:15 Jun 2017 10:57
Last Modified:15 Jun 2017 10:57

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