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首页> 外文期刊>International journal of simulation: systems, science and technology >Organic field-effect transistors with reversible threshold voltage shifts for memory element
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Organic field-effect transistors with reversible threshold voltage shifts for memory element

机译:具有可逆阈值电压偏移的有机场效应晶体管,用于存储元件

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摘要

We introduce an charge-accepting layer on a poly(methyl methacrylate) (PMMA) dielectric to investigate the reversible threshold voltage (V_(th)) shifts in all-polymer n-channel organic field-effect transistor (OFET) using an organic semiconductor of an poly{[N,N'-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2, 6-diyl]-alt-5,5'-(2,2'-bithiophene)} (P(NDI2OD-T2)). Top contact drain-source with a bottom-gate contact structure device exhibited a unipolar property with n-channel behavior. Furthermore, the existence of poly(3-hexylthiophene) (P3HT) films as a charge-accepting-like storage layers resulted in a reversible V_(th) shifts upon the application of external gate bias (V_(bias)). Hence, all-polymer organic transistor with the charge-accepting layer exhibited a large memory window (ΔV_(th) = 10.7 V) for write and erase electrically without major degradation in saturation mobility (μ_(sat) = 1.8~2.8×10~(-4) cm~2 V~(-1) s~(-1)).
机译:我们在聚甲基丙烯酸甲酯(PMMA)电介质上引入电荷接受层,以研究使用有机半导体的全聚合物n沟道有机场效应晶体管(OFET)的可逆阈值电压(V_(th))移位聚{[N,N'-双(2-辛基十二烷基)-萘-1,4,5,8-双(二​​甲叉酰亚胺)-2,6-二基] -alt-5,5'-(2,2 '-联噻吩)}(P(NDI2OD-T2))。具有底栅接触结构器件的顶接触漏源表现出具有n沟道行为的单极性特性。此外,作为电荷接受类存储层的聚(3-己基噻吩)(P3HT)薄膜的存在导致在施加外部栅极偏置(V_(bias))时可逆的V_(th)偏移。因此,具有电荷接受层的全聚合物有机晶体管表现出较大的存储窗口(ΔV_(th)= 10.7 V),用于电写入和电擦除,而饱和迁移率(μ_(sat)= 1.8〜2.8×10〜 (-4)cm〜2 V〜(-1)s〜(-1))。

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