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首页> 外文期刊>Sensors and Actuators >A novel wearable TEA sensor based on PDDA-functionalized graphene/polyaniline composite self-powered by a triboelectric nanogenerator
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A novel wearable TEA sensor based on PDDA-functionalized graphene/polyaniline composite self-powered by a triboelectric nanogenerator

机译：一种基于PDDA官能化石墨烯/聚苯胺复合材料的新型可穿戴茶叶传感器，由摩擦纳米电磁器自动

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摘要

To improve the sensing performance of the traditional semiconductor sensor towards triethylamine (TEA), the poly(diallyldimethylammonium chloride) (PDDA) has been applied to functionalize the reduced graphene oxide (rGO), which has been further decorated by the polyaniline (PANI) nanocones via an in-situ polymerization method. The existence of PDDA during the synthetic process could efficiently prevent the restacking of rGO and promote the reduction of graphene oxide, which is beneficial for producing uniform PANI nanocones on the rGO sheets and improving the sensitivity to TEA. The sensor fabricated by the PDDA-rGO-PANI has exhibited excellent sensing performance to the TEA with superior sensitivity, stability and selectivity at room temperature. The sensor possesses a perfect linear coefficient of 0.999 from 2 to 100 ppm TEA and an extremely low limit-of-detection (LOD) of 74 ppb. In addition, the sensor has presented an outstanding anti-interference ability against humidity, other interfering gases (ammonia and common VOCs) and even mechanical bending. Finally, a self-powered sensing system containing a homemade triboelectric nanogenerator (TENG), a commercial flexible electrode, a button battery and the integrated circuit LTC3588 has been fabricated. The size of TENG is only 3.5×3.5 cm~2 while the sensing system after integrated on a PI membrane is just 2×4 cm~2, which makes the sensor a promising potential candidate of wearable sensing to TEA in daily life.
机译：为了改善传统半导体传感器的传感性能朝向三乙胺（茶），已应用聚（二咪啶甲基氯化铵）（PDDA）以使得石墨烯（RGO）的官能化，该氧化物（RGO）进一步用聚苯胺（PANI）纳米能力通过原位聚合方法。在合成过程中的PDDA的存在可以有效地防止RGO的重新包装并促进石墨烯的还原，这有利于在RGO板上生产均匀的Pani纳米能力并提高对茶的敏感性。由PDDA-RGO-PANI制造的传感器对茶叶具有出色的感测性能，具有卓越的敏感性，稳定性和在室温下的选择性。传感器具有0.999的完美线性系数，从2至100ppm茶叶，74ppb的极低检测限（LOD）。此外，传感器呈现出耐湿的抗干扰能力，其他干扰气体（氨和常见的VOC）甚至机械弯曲。最后，已经制造了一种具有自制摩擦纳米电极（Teng），商业柔性电极，按钮电池和集成电路LTC3588的自给自足的传感系统。腾腾的大小仅为3.5×3.5cm〜2，而在PI膜上集成后的传感系统仅为2×4cm〜2，这使得传感器成为日常生活中茶叶茶叶的有希望的可穿戴感官的潜在候选者。

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  • 来源
    《Sensors and Actuators》 |2021年第10期|130308.1-130308.7|共7页
  • 作者

    Zhenming Wang; Junyu Chang; Qi Hu; Hui Zhi; Liang Feng;

  • 作者单位

    Department of Instrumentation and Analytical Chemistry CAS Key Laboratory of Separation Science for Analytical Chemistry Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 PR China University of Chinese Academy of Sciences Beijing 100049 PR China;

    Department of Instrumentation and Analytical Chemistry CAS Key Laboratory of Separation Science for Analytical Chemistry Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 PR China University of Chinese Academy of Sciences Beijing 100049 PR China;

    Department of Instrumentation and Analytical Chemistry CAS Key Laboratory of Separation Science for Analytical Chemistry Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 PR China University of Chinese Academy of Sciences Beijing 100049 PR China;

    Department of Instrumentation and Analytical Chemistry CAS Key Laboratory of Separation Science for Analytical Chemistry Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 PR China University of Chinese Academy of Sciences Beijing 100049 PR China;

    Department of Instrumentation and Analytical Chemistry CAS Key Laboratory of Separation Science for Analytical Chemistry Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 PR China;

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  • 正文语种 eng
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  • 关键词

    PDDA-functionalization; TEA sensing; Wearable; Self-powered; Triboelectric nanogenerator; Integrated;

    机译：PDDA功能化;茶道感应;穿戴;自我支持;摩擦型纳米料;融合的;

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