Volume 46, Issue 48 pp. 9279-9282
Communication

A Water-Based Synthesis of Octahedral, Decahedral, and Icosahedral Pd Nanocrystals

Byungkwon Lim Dr.

Byungkwon Lim Dr.

Department of Chemistry, University of Washington, Seattle, Washington 98195, USA

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Yujie Xiong Dr.

Yujie Xiong Dr.

Department of Chemistry, University of Washington, Seattle, Washington 98195, USA

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Younan Xia Prof.

Younan Xia Prof.

Department of Chemistry, University of Washington, Seattle, Washington 98195, USA

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First published: 05 December 2007
Citations: 213

This work was supported in part by grants from the ACS (PRF-44353-AC10) and the NSF (DMR-0451788), and a subcontract from GEMSEC, an MRSEC program on the UW campus sponsored by NSF. Y.X. is a Camille Dreyfus Teacher Scholar (2002–2007). B.L. was partially supported by the Postdoctoral Fellowship Program of the Korea Research Foundation (KRF).

Graphical Abstract

Shapes from water: Pd nanocrystals with controllable shapes are synthesized by reducing a Pd salt with citric acid in aqueous solution. Citric acid favors the formation of octahedra, icosahedra, or decahedra (see picture) owing to its strong binding to the {111} facets of Pd. Shape control of these nanocrystals is readily accomplished by adjusting the amounts of Na2PdCl4 precursor and citric acid added to the reaction mixture.

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