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首页> 外文期刊>Advanced Functional Materials >Printing Ultrasensitive Artificially Intelligent Sensors Array with a Single Self-Propelled Droplet Containing Nanoparticles
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Printing Ultrasensitive Artificially Intelligent Sensors Array with a Single Self-Propelled Droplet Containing Nanoparticles

机译：使用包含纳米颗粒的单个自驱动液滴打印超灵敏的人工智能传感器阵列

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摘要

The fabrication and implementation of artificially intelligent sensor arrays has faced serious technical and/or cost-effectiveness challenges. Here, a new printing method is presented to produce a fully functional array of sensors based on monolayer-capped gold nanoparticles. The proposed printing technique is based on the so-called self-propelled antipinning ink droplet, from which evaporative deposition takes place along the path of motion. By applying actuating forces, different deposition line patterns with different thicknesses and morphology from a single droplet are generated. The functionality of the produced sensors is demonstrated by their ability to detect different representative volatile organic compounds (VOCs) belonging to different chemical families, including alcohols, alkanes, ethers, and aromatics, and under extremely different humidity levels resembling those encountered in real-world conditions. The results show that the sensors exhibit ultrasensitive sensing features, with an ability to detect and differentiate between different VOCs at low ppb levels. Additionally, the results show that the sensors are able to accurately predict VOC concentrations, viz. enable quantification capabilities, while nevertheless being inexpensive, do not need complicated and expensive printing equipment and prepatterning processes, allow low voltage operation, and provide a platform for multifunctional applications.
机译：人工智能传感器阵列的制造和实施面临着严峻的技术和/或成本效益挑战。在这里，提出了一种新的打印方法来生产基于单层封端的金纳米颗粒的功能齐全的传感器阵列。所提出的印刷技术基于所谓的自推进抗钉扎墨滴，沿着该墨滴沿运动路径发生蒸发沉积。通过施加致动力，从单个液滴产生具有不同厚度和形态的不同沉积线图案。所生产传感器的功能通过其检测属于不同化学族（包括醇，烷烃，醚和芳族化合物）的不同代表性挥发性有机化合物（VOC）的能力得以证明，并且在与现实世界类似的极端不同湿度下条件。结果表明，这些传感器具有超灵敏的传感功能，能够检测和区分低ppb水平的不同VOC。另外，结果表明，传感器能够准确地预测VOC浓度。具有定量功能，尽管价格便宜，但不需要复杂且昂贵的打印设备和预构图工艺，允许低压操作，并为多功能应用提供了平台。

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  • 来源
    《Advanced Functional Materials》 |2016年第35期|6359-6370|共12页
  • 作者

    Homede Ekhlas; Abo-Jabal Mohammad; Ionescu Radu; Haick Hossam;

  • 作者单位

    Technion Israel Inst Technol, Russell Berrie Nanotechnol Inst, Dept Chem Engn, IL-3200003 Haifa, Israel;

    Technion Israel Inst Technol, Russell Berrie Nanotechnol Inst, Dept Chem Engn, IL-3200003 Haifa, Israel;

    Univ Rovira & Virgili, Dept Elect Elect & Automat Engn, E-43007 Tarragona, Spain;

    Technion Israel Inst Technol, Russell Berrie Nanotechnol Inst, Dept Chem Engn, IL-3200003 Haifa, Israel;

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