High Mobility Field Effect Transistors Based on Macroscopically Oriented Regioregular Copolymers
| Autor: | Hsin Rong Tseng, Christopher J. Takacs, Louis A. Perez, Guillermo C. Bazan, Lei Ying, Alan J. Heeger, Ben B. Y. Hsu |
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| Rok vydání: | 2012 |
| Předmět: |
chemistry.chemical_classification
Materials science Organic field-effect transistor Nanostructure Annealing (metallurgy) Mechanical Engineering Transistor Bioengineering General Chemistry Polymer Conjugated system Condensed Matter Physics law.invention Crystallography chemistry law Polymer chemistry Copolymer General Materials Science Field-effect transistor |
| Zdroj: | Nano Letters. 12:6353-6357 |
| ISSN: | 1530-6992 1530-6984 |
| DOI: | 10.1021/nl303612z |
| Popis: | Field-effect transistors fabricated from semiconducting conjugated polymers are candidates for flexible and low-cost electronic applications. Here, we demonstrate that the mobility of high molecular weight (300 kDa) regioregular, poly[4-(4,4-dihexadecyl-4H-cyclopenta[1,2-b:5,4-b']dithiophen-2-yl)-alt-[1,2,5]thiadiazolo[3,4-c]pyridine] can be significantly improved by introducing long-range orientation of the polymer chains. By annealing for short periods, hole mobilities of 6.7 cm(2)/(V s) have been demonstrated. The transport is anisotropic, with a higher mobility (approximately 6:1) parallel to the polymer backbone than that perpendicular to the polymer backbone. |
| Databáze: | OpenAIRE |
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