Abstract
Flexible conductive glass fibers had widespread acquired attention in the field of electromagnetic interference shielding, sensor, and intelligent wearable devices. However, commercial fiberglass (FG) were insulators that greatly limit their application fields. Herein, flexible single FG with diameter of nearly 25 µm was manufactured by a home-made equipment. Then the surface of FG was further functionalized by dopamine self-polymerization and formed a polydopamine linker layer to chelate Ag(I) ion. Finally, the consecutive silver nanoparticles were coated on PDM/FG (polydopamine/fiberglass) via electroless plating method (Ag-PDM/FG). The SEM, XPS, and XRD results demonstrated that the silver layer on the FG surface was compact, uniform, continuous, and in a metallic crystal state. The Ag-PDM/FG exhibited excellent electrical conductivity as high as 2.49 × 106 S m−1 and could easily operate as a conductive wire for a LED device. Furthermore, the Ag-PDM/FG maintained its original conductivity even under various bending angles due to the stable Ag-coated layer. This work opens a new avenue for preparing flexible, continuous, and conductive FG with easy operation for wearable devices.
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