新型聚合物纳米复合材料制备的低成本压电传感器和伽马射线衰减

IF 1.4 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY AIMS Materials Science Pub Date : 2023-01-01 DOI:10.3934/matersci.2023015
Shaimaa Mazhar Mahdi, M. Habeeb
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引用次数: 14

摘要

本研究着眼于合成用于压电传感器和伽马屏蔽应用的创新型PEO/PVA/SrTiO3/NiO纳米复合材料,该复合材料重量轻,弹性好,价格合理,具有良好的伽马射线衰减系数。研究了SrTiO3/NiO对PEO/PVA混合料结构特性的影响。采用浇铸法,在PEO/PVA聚合物混合物中分别添加质量分数为(0,1,2,3和4)%的SrTiO3/NiO。在PEO/PVA/SrTiO3/NiO NCs薄膜的上表面,扫描电镜显示了一些随机分布的聚集体或碎片,这些聚集体或碎片一致且连贯。光学显微镜采集的图像显示,共混物中NPs的加性分布是均匀的。伽玛射线屏蔽应用结果表明,随着SrTiO3/NiO纳米粒子浓度的增加,PVA/PEO/SrTiO3/NiO纳米粒子的衰减系数增大。防辐射是它的另一个应用。nc压力传感器的应用结果表明,当施加压力增大时,电容(Cp)增大。
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Low-cost piezoelectric sensors and gamma ray attenuation fabricated from novel polymeric nanocomposites
This study looks at the synthesis of innovative PEO/PVA/SrTiO3/NiO nanocomposites for piezoelectric sensors and gamma shielding applications that are low weight, elastic, affordable and have good gamma ray attenuation coefficients. The impact of SrTiO3/NiO on the structural characteristics of the PEO/PVA mixture is investigated. The polymer mixture PEO/PVA received additions of SrTiO3/NiO at concentrations of (0, 1, 2, 3 and 4) weight percent by the casting method. On the top surface of the films PEO/PVA/SrTiO3/NiO NCs, scanning electron microscopy reveals several randomly distributed aggregates or fragments that are consistent and coherent. An optical microscope image collection reveals that the blend*s additive distribution of NPs was homogenous. Gamma ray shielding application results show that the attenuation coefficient of PVA/PEO/SrTiO3/NiO NCs is increased by increasing concentration of SrTiO3/NiO nanoparticles. Radiation protection is another application for it. The pressure sensor application findings of NCs show that, when the applied pressure rises, electrical capacitance (Cp) increase.
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来源期刊
AIMS Materials Science
AIMS Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
3.60
自引率
0.00%
发文量
33
审稿时长
4 weeks
期刊介绍: AIMS Materials Science welcomes, but not limited to, the papers from the following topics: · Biological materials · Ceramics · Composite materials · Magnetic materials · Medical implant materials · New properties of materials · Nanoscience and nanotechnology · Polymers · Thin films.
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