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<p>A new environmentally friendly and biodegradable AgNWS/chitosan super flexible transparent conductive film is successfully synthesized with the silver nanowires (AgNWs) as the conductive materials and chitosan (CTS) as the biodegradable substrate materials through liquid-phase and spin-coating processes. The dispersibility of AgNWs and the preparation process of chitosan film is designed in the AgNWs/chitosan composite film experiment. And also, the microstructures and comprehensive properties of AgNWs/chitosan composite film are studied using SEM, UVO, and other testing methods. Finally, the AgNWs/chitosan composite film with super flexibility, oxidation resistance, biodegradability, high transparency (&gt; 82%), and low sheet resistance (&lt; 5 Ω/sq) is successfully prepared. The change of the film sheet resistance for AgNWs/chitosan composite film is very small during the bending tests and the adhesion experiment. The AgNWs/chitosan super flexible film exhibits the exceptional super flexibility as the R/R0 value of 2.33, with the 3000 bending cycles at the bending radius of 20&#xa0;μm. The resistance transformation of AgNWs/chitosan composite film in the ozone environment gradually increases at first, and then tends to be stabilized after 6&#xa0;h, with a maximum R/R0 value of 12.18. Especially, the biodegradable AgNWs/chitosan flexible film is fully dissolved in deionized water containing 0.5% acetic acid under the natural conditions for 13&#xa0;days. And all that demonstrates its potential applications in flexible electronics, wearable devices, and biomedical fields.</p>

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Preparation and properties of biodegradable AgNWs/chitosan super flexible transparent conductive films

  • 期刊论文

  • 发表日期：

    2025年6月23日

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  • Liu Ming,
  • Xu Xiaoying,
  • Zhao Tuo,
  • Zhou Hang,
  • Yu Shihui,
  • Liu Hongzhang,
  • Dong Xiyang

摘要

A new environmentally friendly and biodegradable AgNWS/chitosan super flexible transparent conductive film is successfully synthesized with the silver nanowires (AgNWs) as the conductive materials and chitosan (CTS) as the biodegradable substrate materials through liquid-phase and spin-coating processes. The dispersibility of AgNWs and the preparation process of chitosan film is designed in the AgNWs/chitosan composite film experiment. And also, the microstructures and comprehensive properties of AgNWs/chitosan composite film are studied using SEM, UVO, and other testing methods. Finally, the AgNWs/chitosan composite film with super flexibility, oxidation resistance, biodegradability, high transparency (> 82%), and low sheet resistance (< 5 Ω/sq) is successfully prepared. The change of the film sheet resistance for AgNWs/chitosan composite film is very small during the bending tests and the adhesion experiment. The AgNWs/chitosan super flexible film exhibits the exceptional super flexibility as the R/R0 value of 2.33, with the 3000 bending cycles at the bending radius of 20 μm. The resistance transformation of AgNWs/chitosan composite film in the ozone environment gradually increases at first, and then tends to be stabilized after 6 h, with a maximum R/R0 value of 12.18. Especially, the biodegradable AgNWs/chitosan flexible film is fully dissolved in deionized water containing 0.5% acetic acid under the natural conditions for 13 days. And all that demonstrates its potential applications in flexible electronics, wearable devices, and biomedical fields.