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The Controlled Evolution of a Polymer Single Crystal

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

Science. 2005 Mar 18;307(5716):1763-6.

PMID: 15774755

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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP61686257	Poly-DL-lysine hydrobromide		61686-25-7	Price

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