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首页> 美国卫生研究院文献>Polymers >A Self-Powered Flexible Thermoelectric Sensor and Its Application on the Basis of the Hollow PEDOT:PSS Fiber
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A Self-Powered Flexible Thermoelectric Sensor and Its Application on the Basis of the Hollow PEDOT:PSS Fiber

机译：基于中空PEDOT：PSS光纤的自供电柔性热电传感器及其应用

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摘要

The thermoelectric (TE) fiber, based on poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), which possesses good flexibility, a low cost, good environmental stability and non-toxicity, has attracted more attention due to its promising applications in energy harvesting. This study presents a self-powered flexible sensor based on the TE properties of the hollow PEDOT:PSS fiber. The hollow structure of the fiber was synthesized using traditional wet spinning. The sensor was applied to an application for finger touch, and showed both long-term stability and good reliability towards external force. The sensor had a high scalability and was simple to develop. When figures touched the sensors, a temperature difference of 6 °C was formed between the figure and the outside environment. The summit output voltages of the sensors with 1 to 5 legs gradually increased from 90.8 μV to 404 μV. The time needed for the output voltage to reach 90% of its peak value is only 2.7 s. Five sensors of legs ranging from 1 to 5 were used to assemble the selector. This study may provide a new proposal to produce a self-powered, long-term and stable skin sensor, which is suitable for wearable devices in personal electronic fields.
机译：基于聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT：PSS）的热电（TE）纤维具有良好的柔韧性，低成本，良好的环境稳定性和无毒性，因此引起了越来越多的关注在能量收集中的应用前景广阔。这项研究提出了一种基于空心PEDOT：PSS光纤的TE特性的自供电柔性传感器。纤维的中空结构是使用传统的湿法纺丝合成的。该传感器应用于手指触摸应用，显示出长期稳定性和对外力的良好可靠性。该传感器具有较高的可扩展性，并且易于开发。当人物触摸传感器时，人物与外部环境之间会形成6°C的温差。具有1至5个引脚的传感器的峰值输出电压从90.8μV逐渐增加至404μ​​V。输出电压达到其峰值的90％所需的时间仅为2.7 s。腿的5个传感器（范围从1到5）用于组装选择器。这项研究可能为生产自供电，长期稳定的皮肤传感器提供新建议，该传感器适用于个人电子领域的可穿戴设备。

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