利用简易微波炉制备纳米晶镍铁氧体厚膜氢传感器

S. Tatkare, S. Rane, S. Gosavi
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引用次数: 6

摘要

本文报道了用溶剂热法在简易微波炉中合成纳米晶铁氧体镍(NiFe2O4)。该铁氧体纳米粉末作为功能材料应用于厚膜传感器中。采用丝网印刷技术制备了厚膜传感器。采用XRD、SEM和TG对粉末和薄膜的结构、微观结构和热分析进行了表征。通过测量传感器在气体照射下的电阻变化来检测传感器的感氢性能。结果表明,在175℃的工作温度下,铁氧体镍对H2气体具有良好的灵敏度和响应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thick film hydrogen sensor based on nanocrystalline nickel ferrite prepared using simple microwave oven
This paper reports the synthesis of nano crystalline nickel ferrite (NiFe2O4) by solvothermal technique using simple microwave oven. This ferrite nano powder was used as a functional material in the thick film sensors. Thick film sensors were fabricated using screen printing technique. The structural, microstructural, thermal analysis of powder and the film were characterized by XRD, SEM and TG analysis. The hydrogen sensing properties of the sensor was detected by measuring the change in resistance under the exposure of gas. The results show that nickel ferrite provides good sensitivity nd response to H2 gas at an operating temperature of 175°C.
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