Room Temperature Methanol Sensor Based on Ferrite Cobalt (CoFe2O4) Porous Nanoparticles

Document Type: Research Paper

Authors

1 Faculty of Advanced Technologies, Shiraz University, Shiraz,Iran

2 School of Electrical and Computer Engineering Shiraz university Iran, Shiraz

10.22061/jecei.2019.5129.195

Abstract

In this work, porous nanoparticles of ferrite cobalt were prepared by dissolving CoCl2.6H2O and FeCl3 in ethylene glycol in a hydrothermal process. Using ethylene glycol instead of DI water as a solvent would cause to provide porous structure of ferrite cobalt. 0.05 ml of colloidal fluid of fabricated nanostructure was injected on interdigitated electrodes (IDE) on a printed circuit board (PCB) substrate by a drop casting process. Morphological and structural characterizations of structure were investigated by X-ray diffraction and scanning electron microscopy and the obtained results of analyses show the porous nanostructure of the material. Sensor's performance in detection of gas vapors was evaluated in different temperatures which has the best response (20.38% for 100ppm methanol vapors) for methanol vapors at room temperature. Performance of sensor in selection of methanol vapors, chemical stability and repeatability of that, makes it useful to profit it in different fields and industries.

Graphical Abstract

Room Temperature Methanol Sensor Based on Ferrite Cobalt (CoFe2O4) Porous Nanoparticles

Keywords

Main Subjects


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