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Direct Decomposition of Nitric Oxide over C-Type Cubic (Gd1–xyYxBay)2O3–y Solid Solutions


  • The authors thank Dr. Hirokazu Izumi (Hyogo Prefectural Institute of Technology) for his assistance with X-ray photoelectron spectroscopy measurements. The present work was supported by a Grant-in-Aid for Scientific Research No. 19205028 from the Ministry of Education, Science, Sports and Culture, Japan. This work was also partially supported by the Industrial Technology Research Grant Program in '02 (Project No. 02A27004c) from the New Energy and Industrial Technology Development Organization (NEDO) based on funds provided by the Ministry of Economy, Trade and Industry, Japan (METI). Supporting Information is available online from Wiley InterScience or from the authors.


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Direct decomposition of NO into N2 and O2 on a C-type cubic (Gd1–xyYxBay)2O3–y solid solution catalyst is investigated. These novel catalysts are found to exhibit higher activity and conversion rates than conventional La-containing perovskite oxide catalysts for NO decomposition. C-type cubic (Gd1–xyYx-Bay)2O3–y catalysts are therefore considered to be possible candidates for the conversion of harmful exhaust gases.

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