Self-assembled functional components-doped conductive polypyrrole composite hydrogels with enhanced electrochemical performances.
Self-assembled functional components-doped conductive polypyrrole composite hydrogels with enhanced electrochemical performances.
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自组装功能组分掺杂导电聚吡咯复合水凝胶具有增强的电化学性能
作者：
导电水凝胶是将导电聚合物与水凝胶的纳米凝胶结构相结合而形成的复合导电材料。导电水凝胶不仅在超级电容器、传感器和调制器等方面有潜在的应用，而且还可以通过共聚、交联和接枝等方法来合成。本文采用原位聚合法制备了三种导电复合水凝胶，即聚吡咯海藻酸钠导电水凝胶、三氯化铁掺杂聚吡咯海藻酸钠水凝胶和十二烷基苯磺酸钠掺杂聚吡咯海藻酸钠水凝胶。此外，还对上述三种导电水凝胶进行了一系列表征。结果表明，掺杂三氯化铁的聚吡咯海藻酸钠水凝胶形成了结构更稳定、电化学性能更好的纳米纤维网络结构。通过自组装过程制备了新型功能组分掺杂的导电聚吡咯复合水凝胶，展示了其在催化和电化学材料方面的潜在应用。
A conductive hydrogel is a composite conductive material formed by combining a conductive polymer with a nanogel structure of a hydrogel. Conductive hydrogels not only have potential applications in supercapacitors, sensors, and modulators, they can also be synthesized by many methods, such as copolymerization, crosslinking, and grafting. In this work, we successfully prepared three conductive composite hydrogels by in situ polymerization, namely polypyrrole sodium alginate conductive hydrogel, ferric chloride-doped polypyrrole sodium alginate hydrogel and doped polypyrrole sodium alginate hydrogel with sodium dodecylbenzene sulfonate. In addition, a series of characterizations were performed for the three conductive hydrogels described above. The results show that the polypyrrole sodium alginate hydrogel doped with ferric chloride forms a nanofiber network with a more stable structure and better electrochemical performance. New functional components-doped conductive polypyrrole composite hydrogels are prepared via a self-assembled process, demonstrating potential applications in catalysis as well as electrochemical materials.
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