NDLI: Polymer-protected palladium nanoparticles. Morphologies and catalytic selectivities

Content Provider	Springer Nature Link
Author	Vu, Yen T. Mark, James E.
Copyright Year	2004
Abstract	Colloidal palladium nanocatalysts prepared by in situ reductions of palladium chloride were immobilized and protected by either of two water-soluble polymers. The particle sizes and size distributions of the palladium colloids were determined by transmission electron microscopy. Their selectivities as catalysts were determined by comparing the extents of hydrogenation of carefully chosen pairs of small-molecule olefins. There was found to be high hydrogenation selectivity with regard to cyclic vs. noncyclic olefins. Selectivity was relatively low, however, among olefins that differed only in size (such as hexene vs. octene), or olefins differing only with regard to the positions of the double bonds (such as 1-octene vs. 3-octene). Selectivity could be improved by careful choice of the immobilizing polymer, and by its use at relatively high concentrations.
Starting Page	613
Ending Page	619
Page Count	7
File Format	PDF
ISSN	0303402X
Journal	Colloid and Polymer Science
Volume Number	282
Issue Number	6
e-ISSN	14351536
Language	English
Publisher	Springer-Verlag
Publisher Date	2003-09-25
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metal nanoparticles Palladium Polymer-modified catalysts Olefin hydrogenation Catalysis efficiency Catalysis selectivity
Content Type	Text
Resource Type	Article
Subject	Colloid and Surface Chemistry Materials Chemistry Physical and Theoretical Chemistry Polymers and Plastics

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