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Golmar, F., Stoliar, P., Monton, C., Valmianski, I., Schuller, I. K., Hueso, L. E. & Casanova, F. (2015) Cobalt phthalocyanine-based submicrometric field-effect transistors. Phys. Status Solidi A-Appl. Mat. 212 607–611.
Added by: Richard Baschera (2016-03-10 18:36:42) Last edited by: Richard Baschera (2021-04-27 12:33:32) |
| Type de référence: Article DOI: 10.1002/pssa.201431409 Numéro d'identification (ISBN etc.): 1862-6300 Clé BibTeX: Golmar2015 Voir tous les détails bibliographiques  |
Catégories: HORSIMN, INTERNATIONAL Mots-clés: injection, organic electronics, organic field effect transistors, organic semiconductors, phthalocyanines, thin-film transistors, vapor detection Créateurs: Casanova, Golmar, Hueso, Monton, Schuller, Stoliar, Valmianski Collection: Phys. Status Solidi A-Appl. Mat. |
Consultations : 1/730
Indice de consultation : 5% Indice de popularité : 1.25% |
| Résumé |
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We present performance characteristics of nanoscaled cobalt phthalocyanine (CoPc)-based organic field-effect transistors (OFETs) as a function of channel length. We found a channel length range which maximizes the field effect mobility in a trade-off between the decrease in the number of organic grain boundaries and the increase of the electrode-organic contact region. Further reduction of channel length is limited by fringe currents, which lead to an increased off current and to a degradation of the sub-threshold slope. From this, we define an optimal channel length of 280 nm to 1 mm for applications in submicrometric CoPc-based OFETs. Our results are particularly relevant for the miniaturization of chemical sensing OFETs, where metal phthalocyanines have proven to be excellent candidates for the fabrication of the transistor channel. (C) 2014 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim
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