DocumentCode :
2532286
Title :
Metalloprotein-based field-effect transistor: a prototype
Author :
Maruccio, Giuseppe ; Visconti, Paolo ; Biasco, Adriana ; Bramanti, Alessandro ; D´Amone, Eliana ; Cingolani, Roberto ; Rinaldi, Ross
Author_Institution :
Lecce Univ., Italy
fYear :
2004
fDate :
16-19 Aug. 2004
Firstpage :
113
Lastpage :
115
Abstract :
A key challenge in nanoelectronics is the use of a bottom-up approach to fabricate nanodevices from molecular building blocks. Here, a field-effect transistor based on the metallo-protein Azurin is demonstrated. Azurin is attractive because of its natural redox properties (provided by the Cu redox site) and self-assembly capability (which allows the chemisorption on suitable surfaces). Our prototype structure consists of two planar nanoelectrodes connected by a protein self-assembled monolayer and a back electrode as gate. The transfer characteristic exhibits a pronounced resonance and transport is explained in terms of equilibrium between the two possible oxidation states of the copper site.
Keywords :
biomolecular electronics; chemisorption; copper; field effect transistors; monolayers; nanoelectronics; oxidation; proteins; reduction (chemical); self-assembly; Azurin metalloprotein; Cu; Cu redox site; chemisorption; copper site; gate electrode; metalloprotein based field effect transistor; molecular building blocks; nanodevice fabrication; nanoelectronics; oxidation states; planar nanoelectrodes; protein self-assembled monolayer; prototype structure; resonance transfer properties; surface chemistry; transfer characteristics; Copper; Electrodes; FETs; Fabrication; Molecular electronics; Nanobioscience; Proteins; Prototypes; Self-assembly; Substrates;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Nanotechnology, 2004. 4th IEEE Conference on
Print_ISBN :
0-7803-8536-5
Type :
conf
DOI :
10.1109/NANO.2004.1392267
Filename :
1392267
Link To Document :
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