http://www.cnr.it/ontology/cnr/individuo/prodotto/ID53648
High-resution mapping of the elctrostatic potential in organic thin-film transistor by phase electrostatic force microscopy (Articolo in rivista)
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- Label
- High-resution mapping of the elctrostatic potential in organic thin-film transistor by phase electrostatic force microscopy (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1021/jp709590p (literal)
- Alternative label
P. Annibale, C. Albonetti, P.Stoliar, F. Biscarini (2007)
High-resution mapping of the elctrostatic potential in organic thin-film transistor by phase electrostatic force microscopy
in The journal of physical chemistry. A
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- P. Annibale, C. Albonetti, P.Stoliar, F. Biscarini (literal)
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- http://pubs.acs.org/doi/abs/10.1021/jp709590p (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Institute for the Study of Nanostructured Materials, CNR, I-40129 Bologna, Italy. (literal)
- Titolo
- High-resution mapping of the elctrostatic potential in organic thin-film transistor by phase electrostatic force microscopy (literal)
- Abstract
- We investigate by a scanning probe technique termed phase-electrostatic force microscopy the local electrostatic potential and its correlation to the morphology of the organic semiconductor layer in operating ultra-thin film pentacene field effect transistors. This technique yields a lateral resolution of about 60 nm, allowing us to visualize that the voltage drop across the transistor channel is step-wise. Spatially localized voltage drops, adding up to about 75% of the potential difference between source and drain, are clearly correlated to the morphological domain boundaries in the pentacene film. This strongly supports and gives a direct evidence that in pentacene ultra-thin film transistors charge transport inside the channel is ultimately governed by domain boundaries. (literal)
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