Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy

Electrochemical studies were carried out on Ni0.4Co2.6O4 powders prepared by sol-gel via propionic acid method using cyclic and steady state voltammetries. The oxide surface was characterized by scanning electron microscopy (SEM),...

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Main Authors:	Makhtar Guene, Abdou Aziz Diagne, Modou Fall, Modou Fall, Mor Marème Dieng, Gérard Poillerat
Format:	Article
Language:	English
Published:	Chemical Society of Ethiopia 2005-12-01
Series:	Bulletin of the Chemical Society of Ethiopia
Subjects:	Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> spinel mixed oxides powder Sol-gel process Surface properties
Online Access:	http://www.ajol.info/index.php/bcse/article/view/21126

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spelling	doaj-55e6d1d83fbd46ab9baff5c1bc1fd0452020-11-25T01:01:00ZengChemical Society of EthiopiaBulletin of the Chemical Society of Ethiopia1011-39241726-801X2005-12-01192213220<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b> Makhtar GueneAbdou Aziz Diagne, Modou FallModou FallMor Marème DiengGérard PoilleratElectrochemical studies were carried out on Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> powders prepared by sol-gel via propionic acid method using cyclic and steady state voltammetries. The oxide surface was characterized by scanning electron microscopy (SEM), X-ray diffraction, UV-vis-NIR and FTIR spectroscopies. The results showed that the formation of homogeneous oxide with a single spinel phase occurred at 350<sup>°</sup>C. The surface redox couple NiOOH/Ni(OH)<sub>2</sub> is confined on the surface material l. http://www.ajol.info/index.php/bcse/article/view/21126Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> spinel mixed oxides powderSol-gel processSurface properties
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Makhtar Guene Abdou Aziz Diagne, Modou Fall Modou Fall Mor Marème Dieng Gérard Poillerat
spellingShingle	Makhtar Guene Abdou Aziz Diagne, Modou Fall Modou Fall Mor Marème Dieng Gérard Poillerat <b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b> Bulletin of the Chemical Society of Ethiopia Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> spinel mixed oxides powder Sol-gel process Surface properties
author_facet	Makhtar Guene Abdou Aziz Diagne, Modou Fall Modou Fall Mor Marème Dieng Gérard Poillerat
author_sort	Makhtar Guene
title	<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>
title_short	<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>
title_full	<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>
title_fullStr	<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>
title_full_unstemmed	<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>
title_sort	<b>synthesis and characterization of ni0.4co2.6o4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, uv-vis-nir spectroscopy and scanning electron microscopy</b>
publisher	Chemical Society of Ethiopia
series	Bulletin of the Chemical Society of Ethiopia
issn	1011-3924 1726-801X
publishDate	2005-12-01
description	Electrochemical studies were carried out on Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> powders prepared by sol-gel via propionic acid method using cyclic and steady state voltammetries. The oxide surface was characterized by scanning electron microscopy (SEM), X-ray diffraction, UV-vis-NIR and FTIR spectroscopies. The results showed that the formation of homogeneous oxide with a single spinel phase occurred at 350<sup>°</sup>C. The surface redox couple NiOOH/Ni(OH)<sub>2</sub> is confined on the surface material l.
topic	Ni<sub>0.4</sub>Co<sub>2.6</sub>O<sub>4</sub> spinel mixed oxides powder Sol-gel process Surface properties
url	http://www.ajol.info/index.php/bcse/article/view/21126
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<b>Synthesis and characterization of Ni0.4Co2.6O4 spinel mixed oxides powder: study of its surface properties by voltammetry, x-ray, ftir, UV-VIS-NIR spectroscopy and scanning electron microscopy</b>

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