Abstract
Abstract Highly stretchable, flexible, and transparent electrode films were fabricated based on a composite of silver nanowire (Ag NW) networks hybridized with single-walled carbon nanotubes (SWCNTs) in a sandwich structure, wherein a Ag NW-SWCNT hybrid network electrode was embedded between layers of polydimethylsiloxane and transparent polyurethane films. When 0.025 wt% SWCNTs were hybridized with Ag NWs, a Ag NW-SWCNT network electrode, which had excellent optical properties (very low haze value of less than 1% and 95% transmittance) and a low sheet resistance value of 30 Ω/sq, was obtained through the effective electrical transportation of the NW–NW, CNT–NW, and CNT–CNT junctions. The fabricated film heaters showed environmental endurance, and no significant performance degradation was observed after the films were kept at a high temperature of 85 °C and humidity of 85%. They also exhibited high stretchability up to 20%. Effective Joule heating can increase the temperature of the electrode films (30 Ω/sq) up to 68 °C at a bias of 11 V.
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