2019
DOI: 10.1016/j.jcat.2019.09.001
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Cobalt-doped magnesium fluoride as a support for platinum catalysts: The correlation of surface acidity with hydrogenation activity

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Cited by 23 publications
(19 citation statements)
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“…Combining hydrogen production with catalytic hydrogenation, hydrogenation of nitrobenzene to produce aniline was investigated when varied hydrogen donors (i.e., formic acid, methanol, hydrazine hydrate, , and AB) were adopted as reductants. Here, we prepared a series of Ni–Co-based composites (abbreviated as N x CC in which subscript ‘x’ is the ratio of the initially added nickel nitrate during catalyst preparation) derived from single source precursor or precursor mixtures of CoSO 4 ·7H 2 O, Ni­(NO 3 ) 2 ·6H 2 O (varied dosage), and Na 2 S·9H 2 O using coprecipitation method.…”
Section: Introductionmentioning
confidence: 99%
“…Combining hydrogen production with catalytic hydrogenation, hydrogenation of nitrobenzene to produce aniline was investigated when varied hydrogen donors (i.e., formic acid, methanol, hydrazine hydrate, , and AB) were adopted as reductants. Here, we prepared a series of Ni–Co-based composites (abbreviated as N x CC in which subscript ‘x’ is the ratio of the initially added nickel nitrate during catalyst preparation) derived from single source precursor or precursor mixtures of CoSO 4 ·7H 2 O, Ni­(NO 3 ) 2 ·6H 2 O (varied dosage), and Na 2 S·9H 2 O using coprecipitation method.…”
Section: Introductionmentioning
confidence: 99%
“…In the spectra of the starting silica as well as for materials modified with 0.1 M solutions of ammonium salts bands characteristic of pyridine coordinately bounded to Lewis acid centers were observed: ν 19b at 1444.8 and ν 8a at 1578.1 cm −1 . No presence of Brønsted acid centers (ν 19b at 1532 cm −1 and ν 8a at 1643 cm −1 ) was found [ 29 ]. The band at 1444.8 cm −1 can also originate from Py hydrogen-bounded to surface hydroxyl or silanol groups [ 30 ].…”
Section: Resultsmentioning
confidence: 99%
“…These results are summarized in Table S1 and shown in Figures 1B and S2, from which it can be seen that the unit cell parameters for bare MgF 2 are in agreement with the literature data, namely a = 0.4628 nm and c = 0.3053 nm. 34 According to Vegard's law, unit cell parameters should change linearly with the solid solution composition, and a unit cell shrinks if a larger ion is replaced by a smaller one and vice versa. Herein, the calcination of the Al−MgF 2 composite at 400 °C causes a shift of reflections to higher 2θ angles and a decrease in the values of the unit cell parameters, and the lattice parameters in a-and c-axes decrease with elevating the calcination temperature from 350 to 400 °C, which are much closer to those of rutile RuO 2 (a = 0.450 nm and c = 0.310 nm) and would be beneficial to the epitaxial growth of RuO 2 on the support surface.…”
Section: Methodsmentioning
confidence: 99%