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- W2333865619 abstract "Boron-modified Pd catalysts have shown excellent performance for the selective hydrogenation of alkynes experimentally. In the current work, we investigated the hydrogenation of acetylene on boron-modified Pd(111) and Pd(211) surfaces, utilizing density functional theory calculations. The activity of acetylene hydrogenation has been studied by estimating the effective barrier of the whole process. The selectivity of ethylene formation is investigated from a comparison between the desorption and the hydrogenation of ethylene as well as comparison between the ethylene and the 1,3-butadiene formation. Formation of subsurface carbon and hydrogen on both boron-modified Pd(111) and Pd(211) surfaces has also been evaluated, since these have been reported to affect both the activity and the selectivity of acetylene hydrogenation to produce ethylene on Pd surfaces. Our results provide some important insights into the Pd–B catalysts for selective hydrogenation of acetylene and also for more complex hydrogenation systems, such as stereoselective hydrogenation of longer chain alkynes and selective hydrogenation of vegetable oil." @default.
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- W2333865619 date "2014-02-10" @default.
- W2333865619 modified "2023-10-16" @default.
- W2333865619 title "Selective Hydrogenation of Acetylene over Pd–Boron Catalysts: A Density Functional Theory Study" @default.
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- W2333865619 doi "https://doi.org/10.1021/jp412255a" @default.
- W2333865619 hasPublicationYear "2014" @default.
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