Abstract

Freestanding heterostructured Ag/C nanofiber network was synthesized by a facile electrospinning method. By integrating Ag into the carbon matrix, the Ag/C nanofiber reached a conductivity of 976 S/cm, among the highest values currently reported for one-dimensional conductive materials. Besides the achievable high conductivity, the assembled Ag/C nanofiber network exhibited excellent flexibility, which could remain intact and hold its original appearance even after bending at an 180° angle. Sheet resistance of the Ag/C nanofiber network was as low as 9.6 Ω/sq. Moreover, the sheet resistance increased only by 6% even after the network suffered 1000 bending cycles, indicating its good flexibility and durability. Additionally, the Ag/C nanofiber network was further assembled into a flexible transparent electrode. A low sheet resistance of 22.1 Ω/sq was achieved at 80% transparency, indicating its potential use in the booming flexible electronic devices.

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