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- W2223201006 abstract "Pt-supported La1-xSrxCoO3 and Pt-doped La1-xSrxCoO3 are synthesized using chemical reduction and solution combustion method, respectively. Chemical reduction is carried out using formaldehyde as a reducing agent giving Pt-supported La1-xSrxCoO3. Solution combustion method is used to prepare Pt-doped La1-xSrxCoO3. Detailed characterization using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Brunauer-Emmett-Teller (BET) surface area measurement, and transmission electron microscopy (TEM) is carried out to distinguish the Pt-supported and Pt-doped compounds in terms of their morphology and Pt oxidations states. TEM results indeed show the differences in their morphology. Further, electrochemical measurements are performed in neutral medium to differentiate their electrochemical activity. Cyclic voltammetry (CV) shows noticeable differences between Pt-supported La1-xSrxCoO3 and Pt-doped La1-xSrxCoO3. Importantly, our results show that Pt4+ in doped compound has poor to zero electrocatalytic activity toward formic acid and methanol electro-oxidation in comparison to Pt-0 in supported compound. This study shows that metallic Pt in zero oxidation state is a superior catalyst to Pt in +4 oxidation state." @default.
- W2223201006 created "2016-06-24" @default.
- W2223201006 creator A5001274885 @default.
- W2223201006 creator A5022243372 @default.
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- W2223201006 date "2015-06-10" @default.
- W2223201006 modified "2023-10-16" @default.
- W2223201006 title "Pt-Doped and Pt-Supported La<sub>1–<i>x</i></sub>Sr<sub><i>x</i></sub>CoO<sub>3</sub>: Comparative Activity of Pt<sup>4+</sup> and Pt<sup>0</sup> Toward the CO Poisoning Effect in Formic Acid and Methanol Electro-oxidation" @default.
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- W2223201006 doi "https://doi.org/10.1021/acs.jpcc.5b01241" @default.
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