Science 2005-03-18

The controlled evolution of a polymer single crystal.

Xiaogang Liu, Yi Zhang, Dipak K Goswami, John S Okasinski, Khalid Salaita, Peng Sun, Michael J Bedzyk, Chad A Mirkin

Index: Science 307 , 1763-1766, (2005)

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Abstract

We present a method for controlling the initiation and kinetics of polymer crystal growth using dip-pen nanolithography and an atomic force microscope tip coated with poly-dl-lysine hydrobromide. Triangular prisms of the polymer epitaxially grow on freshly cleaved mica substrates, and their in-plane and out-of-plane growth rates can be controlled by raster scanning the coated tip across the substrate. Atomic force microscope images were concomitantly recorded, providing a set of photographic images of the process as it spans the nanometer- to micrometer-length scales as a function of environmental conditions.

Related Compounds

  • POLY-DL-LYSIN...

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