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<p>To achieve high durability for Ag nanowires (NWs)-based flexible transparent heaters (THs), BaSnO<sub>3</sub> thin films are employed as transparent protective layers on the Ag NW networks, while also functioning as efficient thermal conductors. The BaSnO<sub>3</sub>/Ag NW hybrid THs exhibit a sheet resistance of 11.5&#xa0;Ω/sq and an optical transmittance of 88.9%, reaching a maximum steady-state temperature of 161&#xa0;°C at an applied bias of 4.0&#xa0;V. Notably, the THs demonstrate an exceptionally rapid Joule heating response, achieving steady-state temperature within 20&#xa0;s across a range of applied voltages. Furthermore, the BaSnO<sub>3</sub>/Ag NW hybrid THs show remarkable mechanical robustness, withstanding 1000 bending cycles at a curvature radius of 5.0&#xa0;mm without significant degradation in performance. They also maintain stable heating under continuous operation at 85% relative humidity for 300&#xa0;h, suggesting the excellent stability. These excellent electrothermal and mechanical properties underscore the promising potential of the THs for innovative applications in areas, such as transparent soft actuators, wearable heaters, and medical thermotherapy pads.</p>

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High-reliability flexible transparent heaters based on silver nanowires and barium stannate

  • 期刊论文

  • 发表日期：

    2025年7月28日

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  • Jinke Bai,
  • Shihui Yu,
  • Eryue Zhang,
  • Le Zhao,
  • Lijun Song,
  • Jufeng Li

摘要

To achieve high durability for Ag nanowires (NWs)-based flexible transparent heaters (THs), BaSnO3 thin films are employed as transparent protective layers on the Ag NW networks, while also functioning as efficient thermal conductors. The BaSnO3/Ag NW hybrid THs exhibit a sheet resistance of 11.5 Ω/sq and an optical transmittance of 88.9%, reaching a maximum steady-state temperature of 161 °C at an applied bias of 4.0 V. Notably, the THs demonstrate an exceptionally rapid Joule heating response, achieving steady-state temperature within 20 s across a range of applied voltages. Furthermore, the BaSnO3/Ag NW hybrid THs show remarkable mechanical robustness, withstanding 1000 bending cycles at a curvature radius of 5.0 mm without significant degradation in performance. They also maintain stable heating under continuous operation at 85% relative humidity for 300 h, suggesting the excellent stability. These excellent electrothermal and mechanical properties underscore the promising potential of the THs for innovative applications in areas, such as transparent soft actuators, wearable heaters, and medical thermotherapy pads.