Metal-oxide interfacial reactions: Encapsulation of Pd on TiO(sub 2)(110)

Article Abstract:

The influence of the oxide's electronic structure on the encapsulation process is studied and it is showed that how a modification of the interfacial electronic structure allows one to control this process. The interfacial reactions between Pd clusters and single-crystal TiO2 (110) through X-ray photoelectron spectroscopy (XPS), Auger electron spectroscopy (AES), and Rutherford backscattering spectrometry (RBS) are explored.

Science & research, Research, Usage, Photoelectron spectroscopy, Electron configuration

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Reversible structural transformation of palladium catalyst supported on La-Al2O3 probed with X-ray absorption fine structure

Article Abstract:

The structural model for the reversible transformation is proposed using the extended X-ray absorption fine structure (EXAFS) and X-ray absorption near-edge structure (XANES) combined with TGA/MS spectroscopy. It is found that the thermal stability of the Pd catalyst has been improved with the coating of TiO2 probably due to metal-support interactions.

X-ray analysis

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Effect of Ti[O.sub.2] crystalline phase composition on the physicochemical and catalytic properties of Pd/Ti[O.sub.2]in selective acetylene hydrogenation

Article Abstract:

Pd/Ti[O.sub.2] catalysts are prepared using Ti[O.sub.2] supports consisting of various rutile/anatase crystalline phase composition. Increasing percentage of rutile phase in the Ti[O.sub.2] resulted in a decrease in Brunauer-Emmett-Teller surface areas, fewer [Ti.sup.3+] sites, and lower Pd dispersion.

Analysis, Optical properties, Dispersion, Dispersion (Optics)

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