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<p>Flexible sensors with high durability and multifunctionality are essential for next-generation wearable technologies and applications under extreme conditions. However, most existing sensors are subjected to polymer-based substrates, which intrinsically experience poor thermal resistance, insufficient structural and chemical robustness, and unsustainable large-scale fabrication. Here we develop a winding chemical vapour deposition method using waste plastic garbage bags as solid carbon precursors to achieve uniform graphene growth on silica fabric (G@SF), simultaneously enabling high-performance textile production for cost-efficient sensor fabrication and waste plastic upcycling to address environmental pollution. By leveraging the advantages of both the woven architecture and the laser-responsive nature of the graphene layer, multifunctional sensors can be fabricated from the obtained G@SF via programmable laser erasing. These sensors have reliable multimodal sensing capabilities, including temperature detection, pressure and deformation monitoring and near-field communication. The G@SF sensors exhibit excellent thermal stability of up to 1,000 °C, mechanical flexibility and chemical robustness. A proof-of-concept smart glove that integrates G@SF sensors further highlights their multifunctionality and resilience under harsh conditions. This study presents a viable strategy for fabricating sustainable and high-performance flexible sensor fabrics from plastic waste.</p>

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Upcycling of plastic garbage bags to graphene@silica fabric for sensing platforms

  • 期刊论文

  • 发表日期：

    2026年5月27日

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  • Guang Cui,
  • Zhe Peng,
  • Zhidong Liu,
  • Haina Ci,
  • Ruojuan Liu,
  • Maoyuan Li,
  • Huihui Wang,
  • Zhongfan Liu

摘要

Flexible sensors with high durability and multifunctionality are essential for next-generation wearable technologies and applications under extreme conditions. However, most existing sensors are subjected to polymer-based substrates, which intrinsically experience poor thermal resistance, insufficient structural and chemical robustness, and unsustainable large-scale fabrication. Here we develop a winding chemical vapour deposition method using waste plastic garbage bags as solid carbon precursors to achieve uniform graphene growth on silica fabric (G@SF), simultaneously enabling high-performance textile production for cost-efficient sensor fabrication and waste plastic upcycling to address environmental pollution. By leveraging the advantages of both the woven architecture and the laser-responsive nature of the graphene layer, multifunctional sensors can be fabricated from the obtained G@SF via programmable laser erasing. These sensors have reliable multimodal sensing capabilities, including temperature detection, pressure and deformation monitoring and near-field communication. The G@SF sensors exhibit excellent thermal stability of up to 1,000 °C, mechanical flexibility and chemical robustness. A proof-of-concept smart glove that integrates G@SF sensors further highlights their multifunctionality and resilience under harsh conditions. This study presents a viable strategy for fabricating sustainable and high-performance flexible sensor fabrics from plastic waste.