A protein-based solid-state electronic device that operates in air is reported; it is fabricated by interconnecting an azurin monolayer immobilized on SiO2 with two gold nanoelectrodes. The operating mechanism is ascribed to resonant tunneling through the redox active center, combined with macroscopic polarization of the oriented self-organized protein layer. The Figure shows the molecular electrostatic potential of the oxidized protein.
Solid-State Molecular Rectifier Based on Self-Organized Metalloproteins / R., Rinaldi; A., Biasco; G., Maruccio; R., Cingolani; D., Alliata; L., Andolfi; P., Facci; DE RIENZO, Francesca; DI FELICE, Rosa; Molinari, Elisa. - In: ADVANCED MATERIALS. - ISSN 0935-9648. - STAMPA. - 14:20(2002), pp. 1453-1457. [10.1002/1521-4095(20021016)14:20<1453::AID-ADMA1453>3.0.CO;2-C]
Solid-State Molecular Rectifier Based on Self-Organized Metalloproteins
DE RIENZO, Francesca;DI FELICE, ROSA;MOLINARI, Elisa
2002
Abstract
A protein-based solid-state electronic device that operates in air is reported; it is fabricated by interconnecting an azurin monolayer immobilized on SiO2 with two gold nanoelectrodes. The operating mechanism is ascribed to resonant tunneling through the redox active center, combined with macroscopic polarization of the oriented self-organized protein layer. The Figure shows the molecular electrostatic potential of the oxidized protein.
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