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

H. Qi, Yunrui Xie, Q. Ma, Li Dan, Wensheng Yu, Guixia Liu, Xiang-ting Dong
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Abstract

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.
利用静电纺丝制备双层双各向异性磁性和绿色发光导电双面结构薄膜
采用静电纺丝法制备了具有磁性和绿光的双层双各向异性导电双面结构薄膜(DDCJF)。两层紧密结合成DDCJF。顶层为以Janus纳米带为构建单元的左右结构的Janus结构薄膜,底层为以纳米纤维为构建单元的非阵列薄膜。在顶层,左右区域的纳米带垂直排列,导致导电方向相互垂直,形成双各向异性导电。DDCJF具有可调的磁性、发光和双各向异性电导率。在微观层面上,采用Janus纳米带作为构建单元,使得DDCJF具有优异的荧光性能和高度的各向异性。从宏观上看,双层结构的设计可以避免顶层和底层之间的性能影响。由于DDCJF特有的双层Janus结构,使得DDCJF各层的属性相对独立,成功地实现了DDCJF内部的集成与隔离。
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