Enhancing the catalytic efficiency of the Heck coupling reaction by forming 5 nm Pd octahedrons using kinetic control View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2015-05-19

AUTHORS

Ran Long, Di Wu, Yaping Li, Yu Bai, Chengming Wang, Li Song, Yujie Xiong

ABSTRACT

Heterogeneous catalysis occurs through a process of interfacial reactions; therefore, both surface facet and size control can increase catalytic efficiency. Octahedral Pd nanocrystals, enclosed by {111} facets, should be the ideal geometrical shape for Heck coupling reactions; however, it is challenging to synthesize 5 nm Pd octahedrons with a relatively uniform size distribution using existing capping-agent techniques. Here, we used palladium as a model system to investigate how the kinetics of atomic addition could be precisely controlled using a syringe pump. As a result, our method produced Pd octahedrons as small as 5 nm, which increased the catalytic efficiency of Heck coupling reactions while reducing the weight of catalyst used. More... »

PAGES

2115-2123

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s12274-015-0722-1

DOI

http://dx.doi.org/10.1007/s12274-015-0722-1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022814395


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