G-quartet biomolecular nanowires
A. Calzolari, R. Di Felice, E. Molinari, and A. Garbesi
TL;DR
This paper investigates the structural stability and electronic properties of G-quartet biomolecular nanowires, highlighting their potential as wide-bandgap semiconductors for molecular nanoelectronics.
Contribution
It provides the first-principles analysis of quadruple helix nanowires, demonstrating their stability and electronic characteristics relevant for nanoelectronic applications.
Findings
Long G-quartet wires are stable in potassium-rich conditions.
Guanine quadruple helices exhibit wide-bandgap semiconductor behavior.
Structural and electronic properties suggest suitability for nanoelectronics.
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 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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