G-quartet biomolecular nanowires

Details G-quartet biomolecular nanowires G-quartet biomolecular nanowires

2002-03-06

arxiv.org/abs/cond-mat/0203139v1

Applied Physics Letters 80, 3331 (2002)

Physics

Condensed Matter

Soft Condensed Matter

7 pages, 3 figures, to be published in Applied Physics Letters (2002)

Scientific paper

10.1063/1.1476700

We present a first-principle investigation of quadruple helix nanowires, consisting of stacked planar hydrogen-bonded guanine tetramers. Our results show that long wires form and are stable in potassium-rich conditions. We present their electronic bandstructure and discuss the interpretation in terms of effective wide-bandgap semiconductors. The microscopic structural and electronic properties of the guanine quadruple helices make them suitable candidates for molecular nanoelectronics.

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