Perovskite oxides, with general formula ABO 3 , have attracted great attention in recent years, due to their simplified structure and customizable composition to achieve tunable properties [1][2][3][4]. Among the various types of perovskites, yttrium cobaltate (YCoO 3 ) has been synthesized by a traditional sol-gel method [5-9], or a solution combustion synthesis method [10]. This material was used to study gas sensing [6,8], fuel cells [9] and catalyst [10] applications. In this work, we report a synthesis of YCoO 3 by electrospinning followed with calcination at different temperatures.
Spinel oxides with a general formula of AB 2 O 4 , where A is usually occupied by a divalent cation such as Mg, Mn, Zn and Ni, and B is occupied by a trivalent cation such as Al, Cr, and Fe, are promising materials due to their wide range of applications including sensors for toxic gases, photocatalysts, magnetic materials, hard materials, and catalysts for the combustion of hydrocarbons [1-5]. Among spinel oxides, zinc chromite ZnCr 2 O 4 has attracted attention for sensing and photocatalytic application, due to its excellent physical and chemical properties. There are several reports on the synthesis of ZnCr 2 O 4 nanostructures, such as hydrothermal, mechanical, high-temperature solid-state reaction, and sol-gel methods [1][2]. Here, we present a synthesis of ZnCr 2 O 4 nanofibers by an electrospinning process, characterized using scanning electron microscopy (SEM) and X-ray diffraction (XRD), with potential applications as biosensors.
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