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- W3048641354 abstract "Abstract In this paper, nanostructured perovskite-type LnFeO3 (Ln = Nd, Sm) oxides were synthesized by thermal treatment method (TTM). Characterization analysis conducted by X-ray diffraction (XRD), scanning electron microscopy (SEM) and micro-Raman spectroscopy, have confirmed the perovskite structure of the synthesized nanomaterials. To study the effects of Nd and Sm lanthanides substitution at the A-site on the chemical sensing performance, conductometric and electrochemical sensors based on the synthesized LnFeO3 samples were fabricated. LnFeO3-based conductometric and electrochemical sensors were tested for acetone and dopamine sensing, respectively. The data revealed that Nd and Sm in the A-position lead to a significant influence in the gas sensing and electrochemical properties of perovskite LnFeO3 samples. In particular, it has been demonstrated the good gas sensing characteristics of SmFeO3 for acetone gas (Response = R/R0 = 8.3–20 ppm acetone at 200 °C), whereas NdFeO3 displayed better performance as electrode for the electrochemical detection of dopamine reaching a low detection limit (LOD) of 270 nM at S/N = 3. The electrical and electrochemical characteristics of the perovskite LnFeO3 samples were discussed in detail with respect to their chemical composition and microstructure." @default.
- W3048641354 created "2020-08-18" @default.
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- W3048641354 date "2020-12-01" @default.
- W3048641354 modified "2023-09-24" @default.
- W3048641354 title "Gas sensing and electrochemical properties of rare earthferrite, LnFeO 3 (Ln = Nd, Sm)" @default.
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- W3048641354 doi "https://doi.org/10.1016/j.ceramint.2020.07.139" @default.
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