Catalytic performance of the Ce-doped LaCoO3 perovskite
WEBSep 14, 2020 · A series of La 1-x Ce x CoO 3 perovskite nanoparticles with rhombohedral phases was synthesized via sol–gel chemical process. X-ray diffraction (XRD), Transmission Electron Microscopy (TEM ...
Tuning optical and thermoelectric properties of LaCoO3: Partial ...
WEBApr 25, 2023 · The room temperature powder X-ray diffraction (XRD) patterns of all the samples are shown in Fig. 1. The patterns demonstrate that the produced samples are polycrystalline in nature. The XRD pattern of pristine LaCoO 3 …
Synchrotron X-ray absorption of LaCoO3 perovskite
WEBMar 1, 2004 · The powder XRD pattern indicates rhombohedral (R 3 ̄ c) or its monoclinic I 2/ a subgroup symmetry. The electronic configuration and the short-range atomic structure of the LaCoO 3 perovskite at room temperature were investigated using synchrotron near-edge X-ray absorption spectroscopy (XANES) and …
Improved thermoelectric properties in (1-x)LaCoO3/(x
WEBSep 1, 2021 · In this study, TE properties of (1− x)LaCoO 3 / (x)La 0.7 Sr 0.3 CoO 3 (0.00 = x ≤ 0.05) nanostructured composite is investigated. The structural analysis confirms individual phases in the composite, which is further …
Perovskite-Type Lanthanum Cobaltite LaCoO3: Aspects of
WEBMay 16, 2019 · The XRD data confirm the perovskite LaCoO 3 phase is converted upon heat treatment starting at 1023 K, growing progressively with increasing temperature up to 1273 K. This is followed by a gradual smoothing of …
Three dimensional band-filling control of complex oxides ... - Nature
WEBApr 27, 2021 · Here, the authors report a three-dimensional modulation of the band-filling and a topotactic phase transition in LaCoO3, triggered by charge transfer at LaCoO3/LaTiO3 interface.
Structural characterization of LaCoO3 perovskite nanoparticles ...
WEBDec 9, 2020 · LaCoO 3 perovskite nanoparticle as a catalyst for NO x gas reduction is a promising substitute of three-way catalysts (TWCs) based on noble metals. Narrow size destitution of catalysts particles are vital characteristics.
Structural regeneration of LaCoO3 perovskite-based catalysts
WEBIn situ X-ray diffraction (XRD) analysis was used to investigate structural evolutions of LaCoO3 catalysts and then further modified by palladium (Pd) addition, under various controlled atmospheres, particularly during the reduction of NO …
Synchrotron X-ray absorption of LaCoO3 perovskite
WEBApr 19, 2011 · LaCoO3 perovskite was prepared at 700degreesC using citrate precursors. The product was then characterized with X-ray diffraction (XRD) and X-ray absorption spectroscopy (XAS). The powder XRD pattern indicates rhomboliedral (R (3) over barc) or its monoclinic I2/a subgroup symmetry.
XRD patterns of LaCoO3, TR and TRLC electrodes
WEBA RuO2–TiO2/Ti electrode modified with LaCoO3 was successfully fabricated by thermal decomposition and its electrochemical properties were evaluated by cyclic voltammetry (CV), electrochemical...
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