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<p>Bio-optoelectronics necessitate stable and transparent conductors for precise and consistent output of electrical signals. However, diverse aqueous environments challenge the long-term stable operation. In this study, we show a solution-processed transparent conductive nanomembrane that can be directly deposited on human skin and organic substrates, exhibiting good stability in multiple aqueous environments including rainwater, seawater, and biological fluids. This is attributed to the stabilizing of the polymer phase, which improves the stability and biocompatibility of the metal nanowires phase. The strategy ensures reliable electrical performance even in humid or wet environments for bio-signals like electromyography and electrocorticography. Its intrinsic transparency also enables subcutaneous vascular imaging and cerebral neurovascular imaging. This nanomembrane successfully expands the application of skin electronics settings underwater and enables continuous implantable monitoring of the cerebral cortex.</p>

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Solution-processed aqueous-insensitive transparent conductors for bio-optoelectronics

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年6月25日

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  • Lulu Sun,
  • Hyun Woo Kim,
  • Jiwon Kim,
  • Shuxu Wang,
  • Shinyoung Lee,
  • Hongting Chen,
  • Ruiqi Guo,
  • Baocai Du,
  • Joo Sung Kim,
  • Kun Fang,
  • Jianping Chen,
  • Yoshihiro Ito,
  • Yinhua Zhou,
  • Tomoyuki Yokota,
  • Sunghoon Lee,
  • Jong Eun Lee,
  • Ki Jun Yu,
  • Kenjiro Fukuda,
  • Takao Someya

摘要

Bio-optoelectronics necessitate stable and transparent conductors for precise and consistent output of electrical signals. However, diverse aqueous environments challenge the long-term stable operation. In this study, we show a solution-processed transparent conductive nanomembrane that can be directly deposited on human skin and organic substrates, exhibiting good stability in multiple aqueous environments including rainwater, seawater, and biological fluids. This is attributed to the stabilizing of the polymer phase, which improves the stability and biocompatibility of the metal nanowires phase. The strategy ensures reliable electrical performance even in humid or wet environments for bio-signals like electromyography and electrocorticography. Its intrinsic transparency also enables subcutaneous vascular imaging and cerebral neurovascular imaging. This nanomembrane successfully expands the application of skin electronics settings underwater and enables continuous implantable monitoring of the cerebral cortex.