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Synthesis and characterization of bulky mesoporous silica Pd-MCM-41

Nagata, Hidezumi*; Hirao, Norie*; Onoki, Takamasa*; Baba, Yuji ; Yamasaki, Yuki*; Nakahira, Atsushi*

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$$^{2}$$/g and the electronic state of palladium in Pd-MCM-41 bulk is almost equal to palladium (0) metal.

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Category:Materials Science, Ceramics

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