Cohesively improved conductivity, transparency, and stability of Ag NW flexible transparent conductive thin films by covering Al2O3 layer

IF 2.4 4区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Current Applied Physics Pub Date : 2024-07-10 DOI:10.1016/j.cap.2024.07.003

Mengqing Hu , Zheng Sun , Zhengjun Qiu , Le Zhao , Lijun Song , Qingchen Dong , Shihui Yu

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引用次数: 0

Abstract

Developing feasible Ag nanowire (NW) transparent conductive thin films (TCFs) with good conductivity, transparency, mechanical durability, strong adhesion, and high stability is a great challenge. Herein, novel TCFs composed of Ag NWs/Al₂O₃ on polyethylene terephthalate (PET) substrates with synchronously improved conductivity, transparency, mechanical durability, adhesion, and stability, are prepared. The corresponding values (before coating Al₂O₃: 13.0 Ω/sq. at 86.1 %, after coating Al₂O₃: 11.7 Ω/sq. at 87.7 %) indicate that the deposition of Al₂O₃ enhances the transparency and conductivity of Ag NW networks. Moreover, the resistance does not change significantly after 50 taping cycles and 2000 bending cycles with a bending radius of 5.0 mm, indicating the strong adhesion and good mechanical flexibility of Al₂O₃/Ag NWs composites. In addition, Al₂O₃/Ag NWs composites possess excellent stability to resist strong oxidizing, hot and humid environments. As a proof of concept, the flexible transparent heater prepared by Al₂O₃/Ag NWs composites is successfully demonstrated, verifying the practicability.

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通过覆盖 Al2O3 层聚合改善 Ag NW 柔性透明导电薄膜的导电性、透明度和稳定性

开发具有良好导电性、透明度、机械耐久性、强附着力和高稳定性的可行的银纳米线（NW）透明导电薄膜（TCFs）是一项巨大的挑战。本文在聚对苯二甲酸乙二醇酯（PET）基底上制备了由 Ag NWs/Al2O3 组成的新型 TCF，其导电性、透明度、机械耐久性、附着力和稳定性得到了同步改善。相应的数值（涂覆 Al2O3 前：13.0 Ω/sq.，86.1%；涂覆 Al2O3 后：11.7 Ω/sq.，87.7%）表明，Al2O3 的沉积提高了 Ag NW 网络的透明度和导电性。此外，在弯曲半径为 5.0 mm 的情况下，经过 50 次绑带循环和 2000 次弯曲循环后，电阻值没有明显变化，这表明 Al2O3/Ag NWs 复合材料具有很强的附着力和良好的机械柔韧性。此外，Al2O3/Ag NWs 复合材料还具有出色的稳定性，可抵御强氧化性、高温和潮湿环境。作为概念验证，成功演示了由 Al2O3/Ag NWs 复合材料制备的柔性透明加热器，验证了其实用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current Applied Physics 物理-材料科学：综合

CiteScore

4.80

自引率

0.00%

发文量

213

审稿时长

33 days

期刊介绍： Current Applied Physics (Curr. Appl. Phys.) is a monthly published international journal covering all the fields of applied science investigating the physics of the advanced materials for future applications. Other areas covered: Experimental and theoretical aspects of advanced materials and devices dealing with synthesis or structural chemistry, physical and electronic properties, photonics, engineering applications, and uniquely pertinent measurement or analytical techniques. Current Applied Physics, published since 2001, covers physics, chemistry and materials science, including bio-materials, with their engineering aspects. It is a truly interdisciplinary journal opening a forum for scientists of all related fields, a unique point of the journal discriminating it from other worldwide and/or Pacific Rim applied physics journals. Regular research papers, letters and review articles with contents meeting the scope of the journal will be considered for publication after peer review. The Journal is owned by the Korean Physical Society.