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Utilizing Electrospinning to Construct Dual-Layer Dual-Anisotropic Conductive Janus-Structural Film with Magnetism and Green Luminescence

A dual-layer dual-anisotropic conductive Janus-structural film (DDCJF) with magnetism and green luminescence is fabricated by electrospinning. Two layers are tightly bonded together into DDCJF. The top layer is Janus-structural film with left and right structure using Janus nanobelt as building unit, and bottom layer is non-array film using nanofiber as building unit. In top layer, the nanobelts in the left and right regions are arranged vertically, which leads to mutually perpendicular of conducting directions, thus forming the dual-anisotropic conduction. DDCJF has adjustable magnetism, luminescence and dual-anisotropic conductivity. On the micro level, using Janus nanobelts as building units renders DDCJF excellent fluorescence properties and high degree of anisotropy. Macroscopically, the design of dual-layer structure can avoid the performance influence between top and bottom layers. The property of each layer of DDCJF is relatively independent due to the peculiar duallayer Janus structure, successfully realizing integration as well as isolation in the DDCJF.