| 초록 |
A PANI/PSS nanofiller was introduced into a multilayer graphene matrix by mechanical blending, creating a graphene/polyaniline/poly(4-styrenesulfonate) (G/PANI/PSS) paste. PSS increases the homogeneity, interfacial interactions, and mechanical interlocking between the multilayer graphene and PANI, resulting in a uniform surface resistance. High concentrations of PSS enhance surface adhesion property of the film to a flexible substrate. The screen-printed G/PANI/PSS hybrid film has the minimum surface resistance of approximately 10 ohms/sq with uniform 70 um thickness, and the surface resistance only increased by 10 ohms/sq after the 500 bending cycles. The G/PANI/PSS is patterned for the application in dipole tag antenna: it has a bandwidth of 28.7 MHz, a transmitted power efficiency of 98.5%, and a recognition distance of 0.42 m at a mean frequency of 910 MHz. |
