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Bio-Inspired Stretchable, Adhesive, and Conductive Structural Color Film for Visually Flexible Electronics

机译：用于视觉柔性电子产品的生物启发可伸缩，粘合剂和导电结构彩膜

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摘要

The rapid progress in flexible electronic devices has attracted immense interest in many applications, such as health monitoring devices, sensory skins, and implantable apparatus. Here, inspired by the adhesion features of mussels and the color shift mechanism of chameleons, a novel stretchable, adhesive, and conductive structural color film is presented for visually flexible electronics. The film is generated by adding a conductive carbon nanotubes polydopamine (PDA) filler into an elastic polyurethane (PU) inverse opal scaffold. Owing to the brilliant flexibility and inverse opal structure of the PU layer, the film shows stable stretchability and brilliant structural color. Besides, the catechol groups on PDA impart the film with high tissue adhesiveness and self-healing capability. Notably, because of its responsiveness, the resultant film is endowed with color-changing ability that responds to motions, which can function as dual-signal soft human-motion sensors for real-time color-sensing and electrical signal monitoring. These features make the bio-inspired hydrogel-based electronics highly potential in the flexible electronics field.
机译：灵活的电子设备的快速进步引起了许多应用的巨大兴趣，例如健康监测装置，感官皮肤和可植入装置。这里，通过贻贝的粘附特征和变色齿轮的粘合特征，提出了一种用于视觉柔性电子的新颖的可拉伸，粘合剂和导电结构彩膜。通过将导电碳纳米管聚二胺（PDA）填料添加到弹性聚氨酯（PU）反蛋白石支架中来产生膜。由于PU层的辉煌的灵活性和逆蛋白石结构，这部薄膜显示出稳定的拉伸性和辉煌的结构颜色。此外，PDA上的儿茶酚基团赋予高组织粘合性和自愈能力的薄膜。值得注意的是，由于其响应性，所得薄膜具有响应运动的变色能力，其可以用作用于实时色敏和电信号监测的双信号软人体运动传感器。这些功能使生物启发的水凝胶基电子在柔性电子场中具有高潜力。

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  • 来源
    《Advanced Functional Materials》 |2020年第32期|2000151.1-2000151.8|共8页
  • 作者

    Wang Yu; Yu Yunru; Guo Jiahui; Zhang Zhuohao; Zhang Xiaoxuan; Zhao Yuanjin;

  • 作者单位

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Xuzhou Med Univ Clin Coll Nanjing Drum Tower Hosp Dept Clin Lab Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

    Nanjing Univ Sch Med Affiliated Drum Tower Hosp Dept Rheumatol & Immunol Nanjing 210008 Peoples R China|Xuzhou Med Univ Clin Coll Nanjing Drum Tower Hosp Dept Clin Lab Nanjing 210008 Peoples R China|Southeast Univ Sch Biol Sci & Med Engn State Key Lab Bioelect Nanjing 210096 Peoples R China;

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  • 正文语种 eng
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  • 关键词

    adhesive; bio-inspired electronics; flexible electronics; hydrogels; structural color;

    机译：胶粘剂;生物启发电子;柔性电子;水凝胶;结构颜色;

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