Toward Single Electron Nanoelectronics Using Self-Assembled DNA Structure

DNA based structures offer an adaptable and robust way to develop customized nanostructures for various purposes in bionanotechnology. One main aim in this field is to develop a DNA nanobreadboard for a controllable attachment of nanoparticles or biomolecules to form specific nanoelectronic devices....

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Vydáno v:Nano letters Ročník 16; číslo 11; s. 6780 - 6786
Hlavní autoři: Tapio, Kosti, Leppiniemi, Jenni, Shen, Boxuan, Hytönen, Vesa P, Fritzsche, Wolfgang, Toppari, J. Jussi
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States American Chemical Society 09.11.2016
Témata:
Dimerization
DNA - chemistry
Electrons
Gold - chemistry
Metal Nanoparticles - chemistry
Particle Size
Temperature
Transistors, Electronic
dielectrophoresis
DNA metallization
gold nanoparticles
conjugation
DNA
single electron transistor
ISSN:1530-6984, 1530-6992, 1530-6992
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Shrnutí:DNA based structures offer an adaptable and robust way to develop customized nanostructures for various purposes in bionanotechnology. One main aim in this field is to develop a DNA nanobreadboard for a controllable attachment of nanoparticles or biomolecules to form specific nanoelectronic devices. Here we conjugate three gold nanoparticles on a defined size TX-tile assembly into a linear pattern to form nanometer scale isolated islands that could be utilized in a room temperature single electron transistor. To demonstrate this, conjugated structures were trapped using dielectrophoresis for current–voltage characterization. After trapping only high resistance behavior was observed. However, after extending the islands by chemical growth of gold, several structures exhibited Coulomb blockade behavior from 4.2 K up to room temperature, which gives a good indication that self-assembled DNA structures could be used for nanoelectronic patterning and single electron devices.
Bibliografie:ObjectType-Article-1
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ISSN:1530-6984
1530-6992
1530-6992
DOI:10.1021/acs.nanolett.6b02378