Scanning Tunneling Microscopy and Spectroscopy of Novel Silver-Containing DNA Molecules.
DNA derivatives
DNA-based nanoelectronics
STM
molecular electronics
scanning tunneling spectroscopy
Journal
Advanced materials (Deerfield Beach, Fla.)
ISSN: 1521-4095
Titre abrégé: Adv Mater
Pays: Germany
ID NLM: 9885358
Informations de publication
Date de publication:
Aug 2019
Aug 2019
Historique:
received:
03
05
2019
revised:
11
06
2019
pubmed:
3
7
2019
medline:
21
1
2020
entrez:
3
7
2019
Statut:
ppublish
Résumé
The quest for a suitable molecule to pave the way to molecular nanoelectronics has been met with obstacles for over a decade. Candidate molecules such as carbon nanotubes lack the appealing trait of self-assembly, while DNA seems to lack the desirable feature of conductivity. Silver-containing poly(dG)-poly(dC) DNA (E-DNA) molecules have recently been reported as promising candidates for molecular electronics, owing to the selectivity of their metallization, their thin and uniform structure, their resistance to deformation, and their maximum possible high conductivity. Ultrahigh vacuum (UHV) scanning tunneling microscopy (STM) of E-DNA presents an elaborate high-resolution morphology characterization of these unique molecules, along with a detailed depiction of their electronic level structure. The energy levels found for E-DNA indicate a novel truly hybrid metal-molecule structure, potentially more conductive than other DNA-based alternatives.
Identifiants
pubmed: 31265189
doi: 10.1002/adma.201902816
doi:
Substances chimiques
Poly G
25191-14-4
poly(dC)
25609-92-1
poly(dG)
25656-92-2
Poly C
30811-80-4
Silver
3M4G523W1G
DNA
9007-49-2
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1902816Subventions
Organisme : Israel Science Foundation
ID : 1589/14
Organisme : Minerva Centre for Bio-hybrid complex systems
Informations de copyright
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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