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可金属化型光敏性聚合物在高通量室温印制柔性薄膜器件方面的应用
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摘要
聚合物辅助无电沉积金属技术能够显著增加金属膜层与柔性基底之间的相互作用力,解决了两者之间模量不匹配的问题,同时也提高了柔性器件的抗形变能力~[1]。在以往的研究中,我们展示了借助功能聚合物设计实现不同策略的图案化金属电极制备和以此为基础的柔性器件制备。不过仍然需要通过复杂的掩膜过程来实现,且所使用的油墨稳定性较差~[2-3]。因而如何提高器件制造的精度与效率及降低制备难度仍然是一个充满挑战的话题。于此,我们合成了一种稳定性好,具有光敏特征和可金属化性质的功能性聚合物,以此为油墨开展基于喷墨印刷和聚合物辅助无电沉积金属技术相结合的高精度金属图案设计,并将其应用于柔性太阳能电池、化学传感器和计算器制备,最终实现高通量室温薄膜型柔性电子器件制造~[4]。实验结果表明该聚合物及高精度图案化金属制备路线能够为未来多功能集成的柔性电子器件制造提供参考路线,也凸显出良好的潜在应用价值。
In this study, we for the first time report a copolymer strategy to realize the preparation of high-resolution patterned metal electrodes and electronics by the combination of the PAMD method and inkjet printing technique. To this end, an ultrastable, photo-active and metal-platable ink is firstly synthesized by introducing the benzophenone and methacryloxyethyltrimethyl ammonium chloride units into the polymers. After printing, the polymers are covalently grafted on the target substrates upon UV irradiation, and the corresponding patterned metal electrodes and thin-film electronics, such as the calculators, solar cells, chemical sensors and transistors are fabricated, respectively. Since most electronic devices and integrated circuits are constructed based on the combination of resistors, diodes, and transistors demonstrated above, we believe this new copolymer strategy offers a remarkably versatile solution to low-temperature and high-speed R2 R fabrication of many kinds of flexible and even stretchable electronic devices in the future.
引文
[1]Y.Yu;C.Yan;Z.Zheng,Adv.Mater.2014,26,5508–5516.
    [2]Y.Yu;J.Zeng;C.Chen;Z.Xie;R.Guo;Z.Zheng,Adv.Mater.2014,26,810-815.
    [3]Y.Yu;Y.Zhang;K.Li;C.Yan;Z.Zheng,Small 2015,11,3444–3449.
    [4]Y.Yu;X.Xiao;Y.Zhang;S.Zhang;Z.Zheng,Adv.Mater.2016,DOI:10.1002/adma.201505119.

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