Nanoassembly of a Fractal Polymer: A Molecular "Sierpinski Hexagonal Gasket"

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Science  23 Jun 2006:
Vol. 312, Issue 5781, pp. 1782-1785
DOI: 10.1126/science.1125894

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Mathematics and art converge in the fractal forms that also abound in nature. We used molecular self-assembly to create a synthetic, nanometer-scale, Sierpinski hexagonal gasket. This nondendritic, perfectly self-similar fractal macromolecule is composed of bis-terpyridine building blocks that are bound together by coordination to 36 Ru and 6 Fe ions to form a nearly planar array of increasingly larger hexagons around a hollow center.

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