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<p>The&#xa0;air plasma-induced defects and O-related groups are employed as anchoring sites for the directional electrochemical deposition of Ag nanoparticles (AgNPs) with even distribution and a narrow size range on carbon cloth (CC). The strategy of integrating the air plasma and AgNPs provides plentiful adsorption and catalytic sites, a large electroactive area, superhydrophilic interface, and a smooth charge and mass-transfer pathway. As a consequence, the fabricated self-supporting electrode of AgNPs@CC − P displays an excellent sensing performance toward rutin with a large linear concentration&#xa0;window (0.05 ~ 30&#xa0;µM), a small LOD (4.2&#xa0;nM, S/N = 3) and LOQ (32&#xa0;nM, S/N = 10), as well as good stability and reproducibility. The fabricated sensor is successfully applied to the practical detection of rutin in tablets and beverages with good accuracy. The self-supporting sensor also shows potential for fabricating flexible and soft sensing devices for real-time monitoring.&#xa0;</p> Graphical Abstract <p></p>

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Air plasma assisted directional electrodeposition of Ag nanoparticles on carbon cloth for electrochemical detection of rutin

  • 期刊论文

  • 发表日期：

    2025年3月6日

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  • Jing Ren,
  • Yutong An,
  • Shiqi Yin,
  • Jun Wang,
  • Qingxian Yu,
  • Chunfang Li,
  • Tianrong Zhan

摘要

The air plasma-induced defects and O-related groups are employed as anchoring sites for the directional electrochemical deposition of Ag nanoparticles (AgNPs) with even distribution and a narrow size range on carbon cloth (CC). The strategy of integrating the air plasma and AgNPs provides plentiful adsorption and catalytic sites, a large electroactive area, superhydrophilic interface, and a smooth charge and mass-transfer pathway. As a consequence, the fabricated self-supporting electrode of AgNPs@CC − P displays an excellent sensing performance toward rutin with a large linear concentration window (0.05 ~ 30 µM), a small LOD (4.2 nM, S/N = 3) and LOQ (32 nM, S/N = 10), as well as good stability and reproducibility. The fabricated sensor is successfully applied to the practical detection of rutin in tablets and beverages with good accuracy. The self-supporting sensor also shows potential for fabricating flexible and soft sensing devices for real-time monitoring. 

Graphical Abstract