具有高效电磁屏蔽性能的银纳米线/木棉纤维素纸的制备与研究.

Using silver nanowires prepared by polyol method as conductive filler and kapok m i cro-fi brill at ed cellulose as carrier, the composite paper was prepared by vacuum filtration. The samples were characterized by scanning electron microscopy, X-ray diffractometer. X-ray photoelectron spectrometer, four-probe tester and vector network analyzer, and the effects of silver nanowire content on their electrical conductivity and electromagnetic interference shielding effectiveness were investigated. The results showed that the silver nanowires as one kind of one-dimensional silver elemental nanomaterial, were uniformly distributed in the composite paper and formed an excellent conductive network. When 2.5wt% of silver nanowires were added to the pure cellulose paper, the electrical resistance of the paper dropped from 470.57 MD • cm to 1.26 mH • cm. When the concentration of silver nano wires was increased from 2.5 wt% to 1 Owt%, the conductivity of the paper increased from 793.65 S/cm to 3039.51 SZcm, and the electromagnetic interference shielding effectiveness increased from 38.1 dB to 61.5 dB. [ABSTRACT FROM AUTHOR]