In addition to flexible touch screens, organic flexible photoelectric films have broad application prospects. In this paper, a transparent and conductive composite film was prepared by embedding a conductive network of ultra-long silver nanowires with silk fibroin as the substrate material. The ultra-long length can help minimize the number of junctions between the nanowires on the conductive grid, which can reduce greatly the resistance and optical shielding effect of the conductive layer. To tune the flexibility of the film, an appropriate amount of calcium ions (Ca ²⁺ ) could be added to the silk fibroin solution. The conductivity, light transmittance, and temperature, stress and humidity sensitivity of the composite films were characterized and proved satisfactory. Its capability of self-healing was also demonstrated. With the natural biocompatibility and self-healing ability, this silk fibroin film may be applied in biomedical science, such as an electronic skin that can detect multiple human health indicators.

中文翻译：

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基于丝素蛋白和超长银纳米线的纳米导电器件透明导电复合膜

除柔性触摸屏外，有机柔性光电膜具有广阔的应用前景。在本文中，通过嵌入以丝素蛋白为基材的超长银纳米线的导电网络，制备了透明导电复合膜。超长长度可以帮助最小化导电网格上纳米线之间的结数，这可以大大降低导电层的电阻和光学屏蔽效果。要调整薄膜的柔韧性，请添加适量的钙离子（Ca ²⁺ ）可以添加到丝素蛋白溶液中。对复合薄膜的电导率，透光率，温度，应力和湿度敏感性进行了表征并证明令人满意。还显示了它的自我修复能力。具有天然的生物相容性和自我修复能力，这种丝素蛋白膜可以应用于生物医学，例如可以检测多种人体健康指标的电子皮肤。