2010
DOI: 10.1002/cssc.200900151
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Embedded Phases: A Way to Active and Stable Catalysts

Abstract: Industrial catalysts are typically made of nanosized metal particles, carried by a solid support. The extremely small size of the particles maximizes the surface area exposed to the reactant, leading to higher reactivity. Moreover, the higher the number of metal atoms in contact with the support, the better the catalyst performance. In addition, peculiar properties have been observed for some metal/metal oxide particles of critical sizes. However, thermal stability of these nanostructures is limited by their s… Show more

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Cited by 244 publications
(146 citation statements)
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“…Sintering and leaching of base metal catalysts could also be limited by embedding the metal into a structure. [55] For instance, Co nanoparticles were loaded into an HZSM-5 zeolite, providing a bifunctional catalyst for the conversion of levulinic acid into valeric biofuel, where cobalt performed hydrogenation while the acidic support catalyzed γ-valerolactone (GVL) ring opening (Fig. 3c).…”
Section: Irreversible Deactivation Via Sintering And/or Leaching Of Smentioning
confidence: 99%
“…Sintering and leaching of base metal catalysts could also be limited by embedding the metal into a structure. [55] For instance, Co nanoparticles were loaded into an HZSM-5 zeolite, providing a bifunctional catalyst for the conversion of levulinic acid into valeric biofuel, where cobalt performed hydrogenation while the acidic support catalyzed γ-valerolactone (GVL) ring opening (Fig. 3c).…”
Section: Irreversible Deactivation Via Sintering And/or Leaching Of Smentioning
confidence: 99%
“…However, only limited attention has been paid to the use of such core-shell structures [252,[254][255][256][257][258][259][260][261] or their supported versions [262][263][264] in the fabrication of new catalysts [265,266]. Some researchers have developed new Figure 14 Schematic representation of the phase transformation from a NiAu alloy to a Au/NiO hetero-aggregate [88].…”
Section: Dispersion Of Au@oxide Core-shell Structures On a Supportmentioning
confidence: 99%
“…18,19 First, 7.8065 g of (NH 4 ) 2 Ce(NO 3 ) 6 were dissolved into 40 mL of MeOH. Next, 9.00 mL of 1-octanol were added under vigorous stirring at room temperature.…”
Section: Synthesis Of Pd@ceo 2 -Mementioning
confidence: 99%