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- W1997238923 abstract "LaCoO 3 nanoparticles with perovskite-type structure were prepared by a microwave-assisted colloidal method. Lanthanum nitrate, cobalt nitrate, and ethylenediamine were used as precursors and ethyl alcohol as solvent. The thermal decomposition of the precursors leads to the formation of LaCoO 3 from a temperature of 500°C. The structural, morphological, and compositional properties of LaCoO 3 nanoparticles were studied in this work by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM). Pellets were manufactured in order to test the gas sensing properties of LaCoO 3 powders in carbon monoxide (CO) and propane (C 3 H 8 ) atmospheres. Agglomerates of nanoparticles with high connectivity, forming a porous structure, were observed from SEM and TEM analysis. LaCoO 3 pellets presented a high sensitivity in both CO and C 3 H 8 at different concentrations and operating temperatures. As was expected, sensitivity increased with the gas concentration and operation temperature increase." @default.
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- W1997238923 date "2014-01-01" @default.
- W1997238923 modified "2023-10-12" @default.
- W1997238923 title "Low-Temperature Synthesis and Gas Sensitivity of Perovskite-Type LaCoO<sub>3</sub>Nanoparticles" @default.
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- W1997238923 doi "https://doi.org/10.1155/2014/164380" @default.
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