Enhanced performance of ferroelectric-based all organic capacitors and transistors through choice of solvent
作者： G. Knotts , A. Bhaumik , K. Ghosh , S. Guha
DOI: 10.1063/1.4880119
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摘要: We examine the role of solvents in performance pentacene devices using ferroelectric copolymer poly(vinylidene fluoride-co-trifluoroethylene) (PVDF-TrFe) as a gate insulating layer. High dipole moment solvents, such dimethyl sulfoxide (DMSO), used to dissolve for spincasting, increase charge carrier mobility field-effect transistors by nearly an order magnitude compared lower solvents. The polarization Al/PVDF-TrFe/Au metal-ferroelectric-metal is also investigated. An remnant ∼20% observed sample DMSO solvent. based shows hysteresis its displacement curve even at lowest measured voltage, indicating that dipoles are more ordered initially.
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