Effect of active layer thickness on electrical characteristics of pentacene TFTs with PMMA buffer layer (Articolo in rivista)

Type
Label
  • Effect of active layer thickness on electrical characteristics of pentacene TFTs with PMMA buffer layer (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.sse.2007.10.010 (literal)
Alternative label
  • Mariucci L; Simeone D; Cipolloni S; Maiolo L; Pecora A; Fortunato G; Brotherton S (2008)
    Effect of active layer thickness on electrical characteristics of pentacene TFTs with PMMA buffer layer
    in Solid-state electronics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mariucci L; Simeone D; Cipolloni S; Maiolo L; Pecora A; Fortunato G; Brotherton S (literal)
Pagina inizio
  • 412 (literal)
Pagina fine
  • 416 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 52 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IFN CNR, Via Cineto Romano 42, I-00156 Rome, Italy (literal)
Titolo
  • Effect of active layer thickness on electrical characteristics of pentacene TFTs with PMMA buffer layer (literal)
Abstract
  • We studied transfer characteristics of pentacene thin film transistors, fabricated by using polymethylmetacrylate (PMMA) buffer layer, in order to evaluate the parasitic series resistance in devices with different active layer thickness (10 - 80 nm) and contact architectures (top and bottom contacts). For bottom contact TFTs, the highest series resistance (1.7 x 10(4) Omega cm) was found for the thinnest pentacene films, probably related to step coverage problems of the thin pentacene film over the gold contacts. In contrast, for the top contact TFTs, the 10 nm pentacene films had the lowest resistance (similar to 1.8 x 10(3) Omega cm) and the resistance increases to similar to 8 x 10(4) Omega cm for the thicker films. The results can be related to the effect of the series resistance induced by the vertical transport through the pentacene film. (literal)
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