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Science 16 January 2004:
Vol. 303. no. 5656, pp. 348 - 351
DOI: 10.1126/science.1093276
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Reports

Self-Assembly of Mesoscopic Metal-Polymer Amphiphiles

Sungho Park, Jung-Hyurk Lim, Sung-Wook Chung, Chad A. Mirkin*

The assembly properties of two- and three-component rod-like building blocks consisting of gold and polymer block domains have been investigated. These structures behave like mesoscopic amphiphiles and form a series of single-layer superstructures consisting of bundles, tubes, and sheets depending upon the compositional periodicity. Unlike molecular systems, the template used to initially synthesize them plays a critical role in the assembly process by prealigning them in a manner that facilitates their assembly by optimizing the correct collisional orientation upon dissolution of the template. Tubular structures with tailorable diameters can be assembled in a predictable manner on the basis of an estimate of the hybrid rod packing parameters.

Department of Chemistry and Institute for Nanotechnology, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208–3113, USA.

* To whom correspondence should be addressed. E-mail: camirkin{at}chem.northwestern.edu

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Reversible Switching of Hydrogel-Actuated Nanostructures into Complex Micropatterns.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)