http://www.cnr.it/ontology/cnr/individuo/prodotto/ID53833
Synthesis, characterization, and transistor response of tetrathia-[7]-helicene precursors and derivatives (Articolo in rivista)
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- Label
- Synthesis, characterization, and transistor response of tetrathia-[7]-helicene precursors and derivatives (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.orgel.2009.08.018 (literal)
- Alternative label
Kim, Choongik; Marks, Tobin J.; Facchetti, Antonio Antonio; Schiavo, Michele; Bossi, Alberto; Maiorana, Stefano; Licandro, Emanuela; Todescato, Francesco; Toffanin, Stefano; Muccini, Michele; Graiff, Claudia; Tiripicchio, António Z. (2009)
Synthesis, characterization, and transistor response of tetrathia-[7]-helicene precursors and derivatives
in Organic electronics (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Kim, Choongik; Marks, Tobin J.; Facchetti, Antonio Antonio; Schiavo, Michele; Bossi, Alberto; Maiorana, Stefano; Licandro, Emanuela; Todescato, Francesco; Toffanin, Stefano; Muccini, Michele; Graiff, Claudia; Tiripicchio, António Z. (literal)
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- Northwestern University; Universita degli Studi di Milano; Istituto Per Lo Studio Dei Materiali Nanostrutturati, Rome; Chimica Fisica (literal)
- Titolo
- Synthesis, characterization, and transistor response of tetrathia-[7]-helicene precursors and derivatives (literal)
- Abstract
- In this paper we report polycyclic, fully-conjugated, heteroaromatic compounds 1-5, two of them having a helical shape (tetrathia-[7]-helicenes 1 and 2), and explore their potential use as p-type semiconductors for organic thin-film transistors (OTFTs). Furthermore, we describe their optical absorption, emission, and electrochemical properties. In addition, the single crystal X-ray diffraction structure for compound 3 is reported. Thin films of all compounds were fabricated on several substrates at different temperatures by physical vapor deposition, and were characterized by optical spectroscopy, wide-angle X-ray diffraction, atomic force microscopy, and TFT measurements. The AFM images of compound 1 exhibit an interesting tubular morphology for films deposited at room temperature. This is the first observation of a compound with a helical shape leading to a nanowire-like morphology. In agreement with the molecular structure/morphology, only compound 4 is a p-type semiconductor with good carrier mobility. © 2009 Elsevier B.V. All rights reserved. (literal)
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