Journal
CERAMICS INTERNATIONAL
Volume 44, Issue 2, Pages 1583-1588Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2017.10.078
Keywords
Template-free method; Vanadium nitride; ZnO; Nitridation
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Funding
- National Basic Research Program of China (973 Program) [2013CB632606]
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In this research, hierarchically nanostructured vanadium nitride (VN) microspheres were successfully prepared by a template-free method. ZnO, behaving as a sacrificial phase, was selectively leached out during nitridation of Zn-3(OH)(2)(V2O7)center dot(H2O)(2) microspheres with NH3, inducing a network structure. The VN microsphere was assembled with porous nanosheets. Extraordinary, the VN microsphere mimicked the morphology of the initial precursor and exhibited a rose-like morphology. The diameter of the microsphere was in the range of 1-3 mu m, and the thickness of the porous.nanosheets was typically approximately 30 nm. In addition, this facile and novel synthetic strategy can be further extended to the preparation of other hierarchically nanostructured transition metal nitrides.
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