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Rapid synthesis of flexible conductive polymer nanocomposite films

机译:柔性导电聚合物纳米复合薄膜的快速合成

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摘要

Polymer nanocomposite films with nanoparticle-specific properties are sought out in novel functional materials and miniaturized devices for electronic and biomedical applications. Sensors, capacitors, actuators, displays, circuit boards, solar cells, electromagnetic shields and medical electrodes rely on flexible, electrically conductive layers or films. Scalable synthesis of such nanocomposite films, however, remains a challenge. Here, flame aerosol deposition of metallic nanosliver onto bare or polymer-coated glass substrates followed by polymer spin-coating on them leads to rapid synthesis of flexible, free-standing, electrically conductive nanocomposite films. Their electrical conductivity is determined during their preparation and depends on substrate composition and nanosilver deposition duration. Accordingly, thin (< 500 nm) and flexible nanocomposite films are made having conductivity equivalent to metals (e.g. 5 x 10(4) S cm(-1)), even during repetitive bending.
机译:在新颖的功能材料和用于电子和生物医学应用的小型化装置中寻找具有纳米颗粒特异性性能的聚合物纳米复合膜。传感器,电容器,致动器,显示器,电路板,太阳能电池,电磁屏蔽和医用电极都依赖于柔性的导电层或薄膜。然而,此类纳米复合膜的可缩放​​合成仍然是挑战。在这里,金属纳米条的火焰气溶胶沉积在裸露的或涂覆有聚合物的玻璃基板上,然后在其上进行聚合物旋涂,可以快速合成柔性,自支撑的导电纳米复合膜。它们的电导率是在制备过程中确定的,并且取决于基材组成和纳米银沉积时间。因此,即使在重复弯曲期间,也制成具有与金属等效的电导率(例如5×10(4)S cm(-1))的薄的(<500nm)和柔性的纳米复合膜。

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