id author title date pages extension mime words sentence flesch summary cache txt w6634170s7g Sichem Guerrero-Ruz Activity, In-Situ IR and EXAFS Spectroscopy Studies, and Monte Carlo Simulation of the Preferential Oxidation of Carbon Monoxide on Nb-Promoted Pt/Al2o3 Catalysts and Pt-Free Metal Oxides Catalysts 2007 .txt text/plain 364 18 51 A combination of spectroscopic techniques is used to characterize the studied catalysts such as X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), X-ray absorption fine structure (EXAFS), scanning electron microscopy (SEM), Fourier transform infrared (FTIR), and diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). It was found that the Nb promoted Pt-catalysts stabilize Pt+2 and it remains stable after reduction treatments and under reaction condition. cache/w6634170s7g.txt txt/w6634170s7g.txt