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Non-lithographic fabrication of PEDOT nano-wires between fixed Au electrodes

机译:固定金电极之间的PEDOT纳米线的非光刻制造

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Poly(3,4-ethylenedioxythiophene) (PEDOT) nano-wires have been electrochemically grown between fixed An electrodes on an insulating SiO2 substrate. The local DC electric field between the electrodes was used to control the diffusion of the 3,4-ethylenedioxythiophene (EDOT) monomer which was then polymerised in situ by the same applied field to create a stable, insoluble wire of width 500-700 nm. Relatively smooth and conducting nano-wires (similar to 10 S cm(-1)) resulted from the application of step-wise decreasing DC voltages. The PEDOT wire was characterised using Raman spectroscopy and atomic force microscopy (AFM). Current-voltage measurements indicate Ohmic and space-charge limited conduction, depending on applied bias, for Au electrodes. (c) 2006 Elsevier B.V. All rights reserved.
机译:聚(3,4-乙撑二氧噻吩)(PEDOT)纳米线已在绝缘SiO2衬底上的固定An电极之间电化学生长。电极之间的局部直流电场用于控制3,4-乙撑二氧噻吩(EDOT)单体的扩散,然后通过相同的施加电场就地聚合它,以形成宽度为500-700 nm的稳定,不可溶的金属丝。相对平滑和导电的纳米线(类似于10 S cm(-1))是由于逐步降低DC电压而产生的。使用拉曼光谱和原子力显微镜(AFM)对PEDOT导线进行了表征。电流电压测量结果表明,根据所施加的偏压,Au电极的欧姆和空间电荷受限的导通。 (c)2006 Elsevier B.V.保留所有权利。

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