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Nagata, Hidezumi*; Hirao, Norie*; Onoki, Takamasa*; Baba, Yuji; Yamasaki, Yuki*; Nakahira, Atsushi*
Journal of the Ceramic Society of Japan, 116(1350), p.216 - 219, 2008/02
Times Cited Count:10 Percentile:52.56(Materials Science, Ceramics)Bulky palladium catalyst supported on mesoporous silica (Pd-MCM-41) was successfully synthesized by hydrothermal hot-pressing method. The structure of the palladium species in Pd-MCM-41 bulk before and after heat-treatment process was investigated by X-ray diffraction (XRD), X-ray absorption near edge structure (XANES) and transmission electron microscopy (TEM). On the basis of these results, the microstructures and mesoporous properties of Pd-MCM-41 were discussed. As a result, it was revealed that the obtained Pd-MCM-41 bulks possessed a high area of over 1000 m/g and the electronic state of palladium in Pd-MCM-41 bulk is almost equal to palladium (0) metal.