期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 25, 期 35, 页码 8321-8331出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201901041
关键词
acetylene; alkynes; heterocycles; nanoparticles; selective hydrogenation
资金
- Ministerio de Economia y Competividad [CTQ2016-75016-R]
- Fondo Europeo de Desarrollo Regional FEDER [CTQ2016-75016-R]
- Generalitat de Catalunya [SGR2014]
- Consejo Nacional de Ciencia y Tecnologia (CONACYT, Mexico) [552256]
A facile and straightforward methodology for the preparation of monometallic (copper and palladium) and bimetallic nanocatalysts (NiCu and PdCu) stabilized by a N-heterocyclic carbene ligand is reported. Both colloidal and supported nanoparticles (NPs) on carbon nanotubes (CNTs) were prepared in a one-pot synthesis with outstanding control on their size, morphology and composition. These catalysts were evaluated in the selective hydrogenation of alkynes and alkynols. PdCu/CNTs revealed an efficient catalytic system providing high selectivity in the hydrogenation of terminal and internal alkynes. Moreover, this catalyst was tested in the semi-hydrogenation of acetylene in industrially relevant acetylene/ethylene-rich model gas feeds and showed excellent stability even after 40 h of reaction.
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