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Polyfluorinated Electrolyte for Fully Printed Carbon Nanotube Electronics

机译:用于全印刷碳纳米管电子的多氟化电解质

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摘要

Flexible electronics with highly thermal stability and mechanical strength are highly needed in advanced transportation systems. Semiconducting single-walled carbon nanotubes are one of the leading active materials for such thin film transistors because they are printable, flexible, thermally stable, and mechanically strong. Dielectrics with large capacitance are another major component, and polymer electrolytes are printed for flexible electronics, but they suffer from poor mechanical strength and low operating temperature. Here, a transparent, mechanically flexible, and thermally stable polyfluorinated electrolyte (PFE) is developed with high capacitance by curing printed polyfluorinated resin (PFR) and ionic liquid composite at high temperature. PFE inherits the mechanical flexibility and thermal stability from PFR. The immobilized ionic liquid inside the porous structures of PFE accounts for the high capacitance. With top-gated PFE, fully printed electronically pure single-chirality (6,5) single-walled carbon nanotube (SWCNT) thin-film transistors (TFTs) exhibit air stable, consistent, and reliable ambipolar characteristics with high transconductance (1 mS) and small subthreshold swing (<0.15 V dec(-1)) at low voltage in ambient air for p-type and n-type carriers, and >10(5) ON/OFF current ratio for both carriers under low operation voltage.
机译:在先进的运输系统中,高度需要具有高度热稳定性和机械强度的柔性电子产品。半导体单壁碳纳米管是此类薄膜晶体管的主要活性材料之一,因为它们具有可印刷性,柔性,热稳定性和机械强度。具有大电容的电介质是另一个主要成分,聚合物电解质是为柔性电子设备印刷的,但是它们的机械强度低且工作温度低。在此,通过在高温下固化印刷的多氟树脂(PFR)和离子液体复合材料,开发出具有高电容的透明,机械柔性和热稳定的多氟电解质(PFE)。 PFE继承了PFR的机械柔韧性和热稳定性。 PFE多孔结构内部的固定离子液体占了高电容。借助顶部浇铸的PFE,完全印刷的电子纯单手性(6,5)单壁碳纳米管(SWCNT)薄膜晶体管(TFT)表现出空气稳定,一致且可靠的双极性特性,并具有高跨导(1 mS)对于p型和n型载流子,在环境空气中处于低电压时,亚阈值摆幅较小(<0.15 V dec(-1)),而在低工作电压下,两种载流子的开/关电流比均大于10(5)。

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  • 来源
    《Advanced Functional Materials》 |2016年第38期|6914-6920|共7页
  • 作者单位

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

    Atom Nanoelect Inc, 440 Hindry Ave,Unit E, Inglewood, CA 90301 USA;

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