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首页> 外文期刊>Journal of Micromechanics and Microengineering >Fabrication of an organic field effect transistor using nano imprinting of Ag inks and semiconducting polymers
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Fabrication of an organic field effect transistor using nano imprinting of Ag inks and semiconducting polymers

机译：利用银墨水和半导体聚合物的纳米压印法制造有机场效应晶体管

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摘要

A simple and cheap procedure for flexible electronics fabrication was demonstrated by imprinting metallic nanoparticles (NPs) on flexible substrates. Silver NPs with an average diameter of 10 nm were prepared via an improved chemical approach and Ag Np ink was produced in α-terpineol with a concentration up to 15%. Silver microanostructures with a dimension varying from nanometres to microns were produced on a flexible substrate (polyimide) by imprinting the as-prepared silver ink. The fine fluidic properties of an Ag NP/α-terpineol solution and low melting temperatures of silver nanoparticles render a low pressure and low temperature procedure, which is well suited for flexible electronics dimension varying from nanometres to microns were fabrication. The effects of sintering and mechanical bending on the conductivity of imprinted silver contacts were also investigated. Large area organic field effect transistors (OFET) on flexible substrates were fabricated using an imprinted silver electrode and semiconducting polymer. The OFET with silver electrodes imprinted from our prepared oleic acid stabilized Ag nanoparticle ink show an ideal ohmic contact; therefore, the OFET exhibit high performance (I_(on)/I_(off) ratio: 1 × 10~3; mobility: 0.071 cm~2 V~(-1) s~(-1)).
机译：通过将金属纳米颗粒（NPs）压印在柔性基板上，展示了一种用于柔性电子制造的简单且便宜的程序。通过改进的化学方法制备了平均直径为10 nm的银纳米颗粒，并在α-萜品醇中生产了浓度高达15％的Ag Np油墨。通过压印所制备的银油墨，在柔性基板（聚酰亚胺）上生产出尺寸从纳米到微米的银微/纳米结构。 Ag NP /α-松油醇溶液的优良流体特性和银纳米颗粒的低熔融温度使其具有低压和低温程序，非常适合制造从纳米到微米尺寸变化的柔性电子器件。还研究了烧结和机械弯曲对压印银触点电导率的影响。使用压印的银电极和半导体聚合物制造了柔性基板上的大面积有机场效应晶体管（OFET）。用我们制备的油酸稳定的Ag纳米颗粒墨水印制的带有银电极的OFET表现出理想的欧姆接触。因此，OFET表现出很高的性能（I_（on）/ I_（off）比：1×10〜3;迁移率：0.071 cm〜2 V〜（-1）s〜（-1））。

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