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26 April 2024

» arxiv » cond-mat/0006402

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Transport in hybrid electronic devices based on a modified DNA nucleoside (deoxyguanosine)
R. Rinaldi ; E. Branca ; R. Cingolani (Istituto Nazionale per la Fisica della Materia R. Di Felice ; E. Molinari S. Masiero ; G.P. Spada ; G. Gottarelli A. Garbesi ;
Date:	26 Jun 2000
Subject:	Soft Condensed Matter \| cond-mat.soft
Affiliation:	Istituto Nazionale per la Fisica della Materia (INFM) and Dipartimento di Ingegneria dell’Innovazione, Universita’ di Lecce, Italy) R. Di Felice, E. Molinari (INFM and Dipartimento di Fisica, Universita’ di Modena, Italy) S. Masiero,
Abstract:	We report on a new class of hybrid electronic devices based on a DNA nucleoside (deoxyguanosine lipophilic derivative) whose assembled polymeric ribbons interconnect a submicron metallic gate. The device exhibits large conductivity at room temperature, rectifying behaviour and strong current-voltage hysteresis. The transport mechanism through the molecules is investigated by comparing films with different self-assembling morphology. We found that the main transport mechanism is connected to pi-pi interactions between guanosine molecules in adjacent ribbons, consistently with the results of our first-principles calculations.
Source:	arXiv, cond-mat/0006402
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