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首页> 外文期刊>International Journal of Engineering Research and Applications >Polypyrrole/PZT Thermistor: An Effective pre-cursor towards sensor design
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Polypyrrole/PZT Thermistor: An Effective pre-cursor towards sensor design

机译：聚吡咯/ PZT热敏电阻：传感器设计的有效前体

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摘要

Pristine Polypyrrole was prepared by employing inverse emulsion polymerization technique using Methanesulfonic acid as a dopant and sodium lauryl sulfate (SLS) as a surfactant. Oxidizing agent used was Potassium Persulfate. An attempt was made to formulate a Polypyrrole device by blending Polypyrrole with Lead Zirconate Titanate (PZT) piezoceramic powder which showed characteristics akin to a Thermistor thereby formulating its use as a pre-cursor to a temperature sensor upon Current vs. Voltage as well as Temperature vs. Conductivity studies. Characterization studies of Polypyrrole/PZT blends using Fourier Transform Infrared Spectra, Scanning Electron Microscopy and X-ray diffraction studies yielded satisfactory and confirmatory results. Extensive conductivity studies were carried out from 298 K - 383 K and Conductivity as high as 3.97 S?cm-1 was obtained at a surfactant and dopant concentration of 9.0 g and 11.0 g respectively. Liquid Phase Sintering of Ppy/PZT blends with Tin (Sn) metal powder offers exciting opportunity towards formulation of a temperature sensor, the diffusivity studies of which are still underway.
机译：通过使用甲基磺酸作为掺杂剂和十二烷基硫酸钠（SLS）作为表面活性剂，采用反相乳液聚合技术制备原始聚吡咯。使用的氧化剂是过硫酸钾。试图通过将聚吡咯与锆酸钛酸铅（PZT）压电陶瓷粉末混合来配制聚吡咯装置，该粉末显示出类似于热敏电阻的特性，从而根据电流，电压和温度将其用作温度传感器的前驱体。与电导率研究。使用傅立叶变换红外光谱，扫描电子显微镜和X射线衍射研究表征聚吡咯/ PZT共混物，得到令人满意的结果。从298 K-383 K进行了广泛的电导率研究，在表面活性剂和掺杂剂浓度分别为9.0 g和11.0 g的情况下，电导率高达3.97 S？cm-1。 Ppy / PZT掺合物与锡（Sn）金属粉末的液相烧结为配制温度传感器提供了令人兴奋的机会，温度传感器的扩散性研究仍在进行中。

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