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Published on: April 10, 2019
μ-XAFS of a single particle of a practical NiO(x)/Ce2Zr2O(y) catalyst
Mizuki Tada1, Nozomu Ishiguro, Tomoya Uruga
1Institute for Molecular Science, Nishigonaka, Myodaiji, Okazaki, Aichi 444-8585, Japan. mtada@ims.ac.jp
Abstract:
μ-XAFS analysis using an X-ray μ-beam (1000 nm (h) × 800 nm (v)) was successfully carried out on a single particle of a practical catalyst NiO(x)/Ce(2)Zr(2)O(y) (0 ≤x≤ 1, 7 ≤y≤ 8). The oxidation state and local coordination structure of the NiO(x)/Ce(2)Zr(2)O(y) particle were characterized by Ni K-edge μ-XANES and μ-EXAFS, which showed the catalytically active and inactive phases of a single catalyst particle.
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