Abstract
Low temperature (<40 °C) transition from nanoparticles to 3D layered morphology is observed for gadolinium-doped cerium oxide.
Highlights
The solution-based approach poses the challenge of synthesizing the starting 3D layered materials with the desired composition
While the peaks for lamellar and fluorite structures coexist in the X-ray diffraction (XRD) pattern of the CGO material prepared at 40 °C, a lamellar structure dominates the material when CGO is prepared at lower temperatures (e.g. 30 and 10 °C)
It is worth clarifying that in the XRD patterns of CGO prepared at 10 °C and 30 °C, the presence of the peaks of the lamellar structure might not exclude the presence of the fluorite peaks
Summary
The solution-based approach poses the challenge of synthesizing the starting 3D layered materials with the desired composition. This method has been successfully applied to synthesize layered materials other than LDHs,[18,19,20,21] enabling other strategic applications.[22,23]. For the first time, gadolinium-doped cerium (CGO) oxides were synthesized as 3D layered materials via the homogenous precipitation approach at low temperatures (
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