Nanotech 2007 Vol. 4
Nanotech 2007 Vol. 4
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 4

Nanoparticles Chapter 2

Shape-Controlled Synthesis and Catalytic Behavior of Supported Platinum Nanoparticles

Authors: C. Liu, M. Fransson and B. Zhou

Affilation: Headwaters Nanokinetix Inc., United States

Pages: 387 - 388

Keywords: nanoparticle, supported catalyst, hydrogenation, reductive alkylation

A 5% Pt/C catalyst with ~20 nm cubic platinum particles was prepared using a traditional preparation method (i.e. precursor impregnation, calcination, and reduction) and choosing a hydrophobic solvent in the impregnation procedure. These 20 nm cubic Pt particles showed 99.4 %selectivity for the hydrogenation of o-chloronitrobenzene (o-CAN) and 88.7% selectivity for reductive alkylation of aniline. We demonstrate that traditional preparation methods also can achieve precise nano-particle shape control as compared to the commonly used method of impregnating supports with a pre-prepared nano-particle colloid with already well defined particle morphology.

ISBN: 1-4200-6376-6
Pages: 768
Hardcopy: $139.95

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