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Stretchable Sensor Made of MWCNT/ZnO Nanohybrid Particles in PDMS
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2020-07-09 , DOI: 10.1002/admt.202000229 Imtisal Akhtar 1 , Seung‐Hwan Chang 1
Advanced Materials Technologies ( IF 6.4 ) Pub Date : 2020-07-09 , DOI: 10.1002/admt.202000229 Imtisal Akhtar 1 , Seung‐Hwan Chang 1
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Stretchable and flexible electronic devices can be worn on the human body or incorporated into clothing. They have promising applications in the field of wearable electronics, flexible displays, and stretchable circuits. Here, a smart sensor based on multiwalled carbon nanotubes (MWCNTs) coated with zinc oxide (ZnO) nanoparticles (NPs) and embedded in polydimethylsiloxane is reported. The smart sensor based on MWCNT/ZnO nanohybrid particles can measure a wide range of temperature (0–100 °C). The concentration of MWCNT and ZnO NP size is chosen in such a way that the sensor shows a stable and linear response to change in temperature and other deformation with high selectivity. The smart sensor has a negative temperature coefficient with a sensitivity of −33.6 kΩ °C−1, and bending movement sensitivity of the sensor is measured with different sizes of ZnO NP and can be tuned from 33.3 to 138.89 kΩ degree−1. The robust and high performance shown in this study makes the demonstrated sensor competitive for a variety of applications, including body motion detection, health monitoring, and robotics.
中文翻译：
PDMS中由MWCNT / ZnO纳米杂化颗粒制成的可拉伸传感器
可拉伸且柔性的电子设备可以穿戴在人体上或结合到衣服中。它们在可穿戴电子设备，柔性显示器和可拉伸电路领域中具有广阔的应用前景。在此，报道了一种基于涂覆有氧化锌（ZnO）纳米颗粒（NPs）并嵌入聚二甲基硅氧烷的多壁碳纳米管（MWCNT）的智能传感器。基于MWCNT / ZnO纳米杂化颗粒的智能传感器可以测量广泛的温度范围（0–100°C）。MWCNT和ZnO NP尺寸的浓度选择应使传感器对温度变化和其他变形表现出稳定的线性响应，并具有较高的选择性。智能传感器的负温度系数为−33.6kΩ°C -1，并且传感器的弯曲运动灵敏度是用不同尺寸的ZnO NP测量的，可以在33.3至138.89kΩ度-1之间进行调节。这项研究中显示的强大和高性能使该传感器在各种应用中具有竞争力，包括身体运动检测，健康监测和机器人技术。
更新日期：2020-09-10
中文翻译：
PDMS中由MWCNT / ZnO纳米杂化颗粒制成的可拉伸传感器
可拉伸且柔性的电子设备可以穿戴在人体上或结合到衣服中。它们在可穿戴电子设备，柔性显示器和可拉伸电路领域中具有广阔的应用前景。在此，报道了一种基于涂覆有氧化锌（ZnO）纳米颗粒（NPs）并嵌入聚二甲基硅氧烷的多壁碳纳米管（MWCNT）的智能传感器。基于MWCNT / ZnO纳米杂化颗粒的智能传感器可以测量广泛的温度范围（0–100°C）。MWCNT和ZnO NP尺寸的浓度选择应使传感器对温度变化和其他变形表现出稳定的线性响应，并具有较高的选择性。智能传感器的负温度系数为−33.6kΩ°C -1，并且传感器的弯曲运动灵敏度是用不同尺寸的ZnO NP测量的，可以在33.3至138.89kΩ度-1之间进行调节。这项研究中显示的强大和高性能使该传感器在各种应用中具有竞争力，包括身体运动检测，健康监测和机器人技术。
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