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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Patterning of metallic electrodes on flexible substrates for organic thin-film transistors using a laser thermal printing method
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Patterning of metallic electrodes on flexible substrates for organic thin-film transistors using a laser thermal printing method

机译：使用激光热印刷方法在有机薄膜晶体管的柔性基板上构图金属电极

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摘要

We report on a laser thermal printing method for transferring patterned metallic thin films on flexible plastic substrates using a pulsed CO_2 laser. Aluminium and silver line patterns, with micrometre scale resolution on poly(ethylene terephthalate) substrates, are shown. The printed electrodes demonstrate good conductivity and fulfil the properties for bottom-contact organic thin-film transistors. In addition to providing the energy for transferring the film, the absorption of laser light results in a rise in the temperature of the film and the substrate. This also further anneals the film and softens the plastic substrate. Consequently, it is possible to obtain a film with better surface morphology and with its film thickness implanted in part into the plastic surface. This implantation reveals excellent characteristics in adhesion and flexure resistance. Being feasible to various substrates and executable at ambient temperatures renders this approach a potential alternative for patterning metallic electrodes
机译：我们报告了一种使用脉冲CO_2激光在柔性塑料基板上转移带图案的金属薄膜的激光热敏打印方法。显示了铝和银线图案，在聚对苯二甲酸乙二醇酯基板上具有微米级的分辨率。印刷电极表现出良好的导电性，并满足底部接触有机薄膜晶体管的特性。除了提供用于转移膜的能量之外，激光的吸收还导致膜和基板的温度升高。这也进一步使薄膜退火并软化塑料基板。因此，可以获得具有更好的表面形态并且其膜厚部分地注入到塑料表面中的膜。该植入显示出优异的粘附性和抗弯曲性。对于各种基板都是可行的，并且可以在环境温度下执行，这使得该方法成为用于构图金属电极的潜在替代方法

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