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A General Concurrent Template Strategy for Ordered Mesoporous Intermetallic Nanoparticles with Controllable Catalytic Performance.

ABSTRACT: We report a general concurrent template strategy for precise synthesis of mesoporous Pt-/Pd-based intermetallic nanoparticles with desired morphology and ordered mesostructure. The concurrent template not only supplies a mesoporous metal seed for re-crystallization growth of atomically ordered intermetallic phases with unique atomic stoichiometry but also provides a nanoconfinement environment for nanocasting synthesis of mesoporous nanoparticles with ordered mesostructure and rhombic dodecahedral morphology under elevated temperature. Using the selective hydrogenation of 3-nitrophenylacetylene as a proof-of-concept catalytic reaction, mesoporous intermetallic PtSn nanoparticles exhibited remarkably controllable intermetallic phase-dependent catalytic selectivity and excellent catalytic stability. This work provides a very powerful strategy for precise preparation of ordered mesoporous intermetallic nanocrystals for application in selective catalysis and fuel cell electrocatalysis.

SUBMITTER: Lv H

PROVIDER: S-EPMC9311168 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Highly ordered mesoporous silica film nanocomposites containing gold nanoparticles for the catalytic reduction of 4-nitrophenol.

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| S-EPMC6633902 | biostudies-literature

Synthesis of mesoporous ceria using metal- and halogen-free ordered mesoporous carbon as a hard template.

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| S-EPMC9418743 | biostudies-literature

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| S-EPMC6778194 | biostudies-literature

Influence of Molecular Weight on Structure and Catalytic Characteristics of Ordered Mesoporous Carbon Derived from Lignin.

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| S-EPMC6641423 | biostudies-literature

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| S-EPMC6974934 | biostudies-literature

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