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Article

Synthesis of Ce1−xPdxO2−δ Solid Solution in Molten Nitrate

1
Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
2
Technical Division, Faculty of Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
*
Author to whom correspondence should be addressed.
Catalysts 2020, 10(6), 640; https://doi.org/10.3390/catal10060640
Received: 16 May 2020 / Revised: 3 June 2020 / Accepted: 4 June 2020 / Published: 8 June 2020
CeO2-based solid solutions in which Pd partially substitutes for Ce attract considerable attention, owing to their high catalytic performances. In this study, the solid solution (Ce1−xPdxO2−δ) with a high Pd content (x ~ 0.2) was synthesized through co-precipitation under oxidative conditions using molten nitrate, and its structure and thermal decomposition were examined. The characteristics of the solid solution, such as the change in a lattice constant, inhibition of sintering, and ionic states, were examined using X-ray diffraction (XRD), scanning electron microscopy–energy-dispersive X-ray spectroscopy (SEM−EDS), transmission electron microscopy (TEM)−EDS, and X-ray photoelectron spectroscopy (XPS). The synthesis method proposed in this study appears suitable for the easy preparation of CeO2 solid solutions with a high Pd content. View Full-Text
Keywords: Pd-doped CeO2; solid solutions; Adams’ catalyst Pd-doped CeO2; solid solutions; Adams’ catalyst
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MDPI and ACS Style

Sasaki, H.; Sakamoto, K.; Mori, M.; Sakamoto, T. Synthesis of Ce1−xPdxO2−δ Solid Solution in Molten Nitrate. Catalysts 2020, 10, 640. https://doi.org/10.3390/catal10060640

AMA Style

Sasaki H, Sakamoto K, Mori M, Sakamoto T. Synthesis of Ce1−xPdxO2−δ Solid Solution in Molten Nitrate. Catalysts. 2020; 10(6):640. https://doi.org/10.3390/catal10060640

Chicago/Turabian Style

Sasaki, Hideaki, Keisuke Sakamoto, Masami Mori, and Tatsuaki Sakamoto. 2020. "Synthesis of Ce1−xPdxO2−δ Solid Solution in Molten Nitrate" Catalysts 10, no. 6: 640. https://doi.org/10.3390/catal10060640

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