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Issue 47, 2012
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A versatile low temperature solid-state synthesis of vanadium nitride (VN) via a “guanidinium-route”: experimental and theoretical studies from the key-intermediate to the final product

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Abstract

An easy and efficient method (“guanidinium route”) to synthesize vanadium nitride (VN) is evaluated in this paper. Initially, ammonium m-vanadate was mixed with guanidinium carbonate, producing an important intermediate, ammonium m-vanadate (GmV), through a solid-state reaction. GmV was decomposed as a function of the temperature and studied with TGA, DRX, FT-Infrared, Temperature-Programmed Surface Reaction (TPSR) and DFT. We show that GmV is transformed into bulk crystalline VN below 800 °C. XPS, periodic DFT calculations, and elemental analyses show that the surface is not carbon-free.

Graphical abstract: A versatile low temperature solid-state synthesis of vanadium nitride (VN) via a “guanidinium-route”: experimental and theoretical studies from the key-intermediate to the final product

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Publication details

The article was received on 19 Jul 2012, accepted on 13 Sep 2012 and first published on 14 Sep 2012


Article type: Paper
DOI: 10.1039/C2DT31614E
Citation: Dalton Trans., 2012,41, 14381-14390
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    A versatile low temperature solid-state synthesis of vanadium nitride (VN) via a “guanidinium-route”: experimental and theoretical studies from the key-intermediate to the final product

    E. F. de Souza, C. A. Chagas, T. C. Ramalho and R. B. de Alencastro, Dalton Trans., 2012, 41, 14381
    DOI: 10.1039/C2DT31614E

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