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 band structure and discuss the interpretation in terms of effective wide-band-gap semiconductors. The microscopic structural and electronic properties of the guanine quadruple helices make them suitable candidates for molecular nanoelectronics. (C) 2002 American Institute of Physics.
G-Quartet Biomolecular NanoWires / Calzolari, Arrigo; DI FELICE, Rosa; Molinari, Elisa; A., Garbesi. - In: APPLIED PHYSICS LETTERS. - ISSN 0003-6951. - STAMPA. - 80:(2002), pp. 3331-3333.
G-Quartet Biomolecular NanoWires
CALZOLARI, ARRIGO;DI FELICE, ROSA;MOLINARI, Elisa;
2002
Abstract
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 band structure and discuss the interpretation in terms of effective wide-band-gap semiconductors. The microscopic structural and electronic properties of the guanine quadruple helices make them suitable candidates for molecular nanoelectronics. (C) 2002 American Institute of Physics.
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