Istituto dei materiali per l'elettronica ed il magnetismo     
Isik D., Shu Y., Tarabella G., Coppedé N., Iannotta S., Lutterotti L., Cicoira F., Anthony J. E., Santato C. Ambipolar organic thin film transistors based on a soluble pentacene derivative. In: Applied Physics Letters, vol. 99 (2) article n. 023304. American Institute of Physics, 2011.
We report on ambipolar thin film transistors based on solution-deposited films of a pentacene derivative, 2,3-dicyano-6,13-bis-(triisopropylsilylethynyl)pentacene (2,3-CN2-TIPS-Pn). The ambipolar charge transport observed in this material is well balanced; the values of the hole and electron mobility are both about 2 x 10(-3) cm(2)/Vs. The position of the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) of 2,3-CN2-TIPS-Pn with respect to the work function of the Au charge-injecting electrode and the arrangement of the molecules in the film, as deduced by grazing incidence x-ray diffraction analysis, contributes to explain the charge transport properties of 2,3-CN2-TIPS-Pn films.
DOI: 10.1063/1.3606537
Subject Field-Effect Transistors
Conjugated Polymers

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