在這項研究中，我們報導了由導電殼包覆的纖維素納米纖絲芯組成的複合材料的製備。使用多元醇沉積和飛秒激光照射方法製備纖維素納米纖絲@氧化鋅(CNF@ZnO)長絲，其中後一種方法獲得的CNF@ZnO長絲與後一種方法相比顯著提高了電導率，主要是由於CNF 燈絲上的ZnO。結果表明ZnO錨定在CNF細絲上並在其上形成導電通道。
在另一項工作中，通過吡咯或苯胺單體在CNF長絲上的原位聚合製備了纖維素納米纖絲@導電聚合物(CNF@CP)長絲。研究了初始單體對電導率的影響。發現單絲的電導率隨著初始單體含量的增加而顯著增加，但在高含量時會降低。
為了更有效地構建CNF長絲的導電性能，在CNF@ZnO長絲表面聚合吡咯或苯胺單體得到CNF@ZnO@CP。結果表明，聚苯胺對CNF@ZnO的導電性有協同作用，而聚吡咯沉積的CNF@ZnO的導電性行為只是兩種導電材料的添加劑。

In this study, we report the preparation of composites consisting of cellulose nanofibril filament core coated by conducting shell. Cellulose nanofibril@zinc oxide (CNF@ZnO) filaments were prepared using polyol deposition and femtosecond laser irradiation methods, in which CNF@ZnO filaments obtained in the latter method significantly improved the electrical conductivity compared to the latter method mainly due to the uniform dispersion of ZnO on CNF filament. The results indicated that ZnO was anchored on the CNF filament and made conductive channel on it.
In another work, cellulose nanofibril@conducting polymer (CNF@CP) filaments were prepared by in situ polymerization of pyrrole or aniline monomer on CNF filament. Effects of initial monomers on electrical conductivity were investigated. The conductivity increased dramatically as monomer content increased, but declined at too high monomer contents.
To construct more effectively the conductive property of CNF filaments, pyrrole or aniline monomer was polymerized on the surface of CNF@ZnO filament to obtain CNF@ZnO@CP. The results revealed that polyaniline synergistically effected on the conductivity of CNF@ZnO, while the behavior of the conductivity of polypyrrole-deposited CNF@ZnO was only additive of both conductive materials.

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