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- W1964016044 abstract "The photochemical reaction of W(CO)6 with triphenylphosphine (PPh3) in the presence of γ-Al2O3 and Pd/γ-Al2O3 has been used to prepare W/γ-Al2O3 and Pd–W/γ-Al2O3 catalysts. Adsorbed mono- and disubstituted W species have been identified by FTIR spectroscopy. There is evidence of the adsorption of W(CO)6−x Lx species on both the alumina and the Pd surface. After thermal decomposition and reduction at 573 K the catalysts have been characterized by FTIR spectroscopy of adsorbed NH3, CO and NO. The retention of W and P suppresses the Lewis acidity of the alumina support. On Pd–W/γ-Al2O3, the W is present in a partially reduced state in close association with Pd. This interaction modifies the chemisorptive properties of NO relative to those of the monometallic Pd and W catalysts. In line with these observations the Pd–W/γ-Al2O3 catalyst presents an enhanced activity for NO decomposition at 473 K." @default.
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- W1964016044 date "1999-01-01" @default.
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- W1964016044 title "Preparation and characterization of W/γ-Al2O3 and Pd–W/γ-Al2O3 catalysts from organometallic precursors. The catalytic activity for NO decomposition" @default.
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- W1964016044 doi "https://doi.org/10.1016/s1381-1169(98)00130-7" @default.
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