Buta-1,3-diene and but-1-ene chemisorption on Pt(111), Pd(111), Pd(110) and Pd50Cu50(111) as studied by UPS, NEXAFS and HREELS in relation to catalysis

A theoretical view of 1,3-butadiene selective hydrogenation toward cis-2-butene on PdNi layered catalyst

“…where C 4 H x corresponds to 2B isomers and to 2B in co-adsorption with H and x is the amount of H atoms in the reaction (x = 8,9). For both reactions, negative values indicate the exothermicity of the reaction process.…”

Hydrogenation of 1,3-butadiene on Pd(111) and PdSn/Pd(111) surface alloys under UHV conditions

“…The surface science approach toward catalysis uses simple model systems to establish correlations among adsorption modes, bond activation, and reactivity of a molecule. Because Pt and Pd show the highest activity for butadiene hydrogenation, several studies have focused on either reactivity studies under elevated pressure [4][5][6][7] or surface science studies under ultrahigh vacuum (UHV) conditions [8][9][10][11][12][13] on the two metals to gain insight into the adsorption modes and reaction mechanisms. In general, it to Pt(111), which decomposes butadiene under UHV conditions, it is possible to hydrogenate butadiene to butenes on PdSn alloys in UHV.…”

High-pressure X-ray photoelectron spectroscopy of palladium model hydrogenation catalysts.Part 1: Effect of gas ambient and temperature

“…Its practical importance in the interaction with various gases has stimulated widespreading investigations from the point of view of catalytic [8][9][10][11][12]14,15,17] and surface properties [13,16,[18][19][20][21][22][23].…”

“…Palladium is one of the most important hydrogenation catalysts, widely employed in industrial processes [1][2][3][4][5][6][7] but also in basic research [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23]. Its practical importance in the interaction with various gases has stimulated widespreading investigations from the point of view of catalytic [8][9][10][11][12]14,15,17] and surface properties [13,16,[18][19][20][21][22][23].…”