Transcription of 自動車触媒用酸素貯蔵材料CeO ZrO ... - jssrr.jp
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自動車触媒用酸素貯蔵材料CeO ZrO ... - jssrr.jp
480 1192 TEL: 0561 63 5283 FAX: 0561 63 6150 E-mail: e1062 ( ) CeO2 ZrO2 XAFS XAFS Analysis of CeO2 ZrO2 Mixed Oxides as OxygenStorage Promoters in Automotive CatalystsYasutaka NAGAITOYOTA Central R&D Labs., oxygen storage/release capacity(OSC)is one of the important functions required for automobile three-waycatalysts in order to e ciently remove harmful compounds such as hydrocarbons, CO and NOx in automotive exhaustgases. In this report, three types of CeO2 ZrO2(Ce:Zr 1:1 molar ratio)compounds with di erent OSC were character-ized by means of the Ce K-edge and Zr K-edge XAFS.
― ― Figure 4. Fourier-transformedk3x data of (a) Ce K-edge and(b) Ce L3-edge EXAFS of CeO2 ZrO2 samples. Figure 5. Fourier-transformedk3x data of Zr K-edge EXAFS of CeO2 ZrO2 samples. Figure 6. Zr K-edge XANES spectra of CeO2 ZrO2 samples. 放射光 第 巻 …
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