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Perylene diimides functionalized with N-thiadiazole substituents: Synthesis and electronic properties in OFET devices (Articolo in rivista)
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- Perylene diimides functionalized with N-thiadiazole substituents: Synthesis and electronic properties in OFET devices (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.orgel.2012.06.002 (literal)
- Alternative label
Centore, Roberto; Ricciotti, Laura; Carella, Antonio; Roviello, Antonio; Causa, Mauro; Barra, Mario; Ciccullo, Francesca; Cassinese, Antonio (2012)
Perylene diimides functionalized with N-thiadiazole substituents: Synthesis and electronic properties in OFET devices
in Organic electronics (Print)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Centore, Roberto; Ricciotti, Laura; Carella, Antonio; Roviello, Antonio; Causa, Mauro; Barra, Mario; Ciccullo, Francesca; Cassinese, Antonio (literal)
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- ISI Web of Science (WOS) (literal)
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- University of Naples Federico II; University of Naples Federico II; Consiglio Nazionale delle Ricerche (CNR) (literal)
- Titolo
- Perylene diimides functionalized with N-thiadiazole substituents: Synthesis and electronic properties in OFET devices (literal)
- Abstract
- Two new perylene diimide derivatives N,N'-bis(5-tridecyl-1,3,4-thiadiazol-2-yl) perylene-3,4,9,10-tetracarboxylic 3,4:9,10-diimide (PDI-T1) and N, N'-bis[5-(1-hexyl) nonyl-1,3,4-thiadiazol-2-yl] perylene-3,4,9,10-tetracarboxylic 3,4:9,10-diimide (PDI-T2), achieved by functionalizing the basic perylene molecular core at imide nitrogen with 1,3,4-thiadiazole rings, have been synthesized. Both these compounds make possible the fabrication of n-type organic thin-film transistors able to work in air, even when bare SiO2 surfaces are utilized as gate dielectric. As active channels of transistors in the bottom-contact bottom-gate configuration, PDI-T1 evaporated films exhibited a maximum mobility of 0.016 cm(2)/V s in vacuum. For evaporated PDI-T2 films, instead, mobility values were found to be more than one order of magnitude lower, because of their reduced degree of crystalline order. However, PDI-T2 films can be also deposited by solution techniques and field-effect transistors were fabricated by spin-coating, displaying mobility values ranging between 10(-6) and 10(-5) cm(2)/V s. Similar to what previously found for other perylene diimide derivatives, our experimental work also demonstrates that the electrical response of both PDI-T1 and PDI-T2 transistors under ambient conditions can be improved by increasing the level of hydrophobicity of the dielectric surface. (c) 2012 Elsevier B.V. All rights reserved. (literal)
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