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碳化果和昆士兰片用于电磁屏蔽
Mila Milenkovic1, Warda Saeed2, Muhammad Yasir2
1Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia.
Nanomaterials (Basel, Switzerland)
|December 17, 2024
概括
研究人员从水果蒸生物废物中开发出环保的电磁波 (EMW) 屏蔽材料. 这些新型碳化材料有效地阻止射频信号泄漏和电磁干扰.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 纳米技术 纳米技术
背景情况:
- 电磁波 (EMW) 无处不在,通过电磁干扰 (EMI) 和射频 (RF) 信号泄漏导致环境污染.
- 对于有效的电磁波屏蔽来说,对可持续的,具有成本效益的材料的需求越来越大.
- 新材料的开发必须考虑环境影响,包括污染和能源消耗.
研究的目的:
- 调查使用果汁蒸中的生物废物作为EMW屏蔽材料的前体的潜力.
- 开发一种环保且具有成本效益的方法来生产EMW屏蔽材料.
- 为了评估合成材料的EMW屏蔽性能.
主要方法:
- 来自果和青酒蒸的生物废物被收集并用KOH处理.
- 该混合物在气氛下在850°C时碳化.
- 材料表征涉及FTIR,拉曼,EDX,XPS,TGA和BET分析等技术.
- 使用带有波导适配器的矢量网络分析仪 (VNA) 来测量电磁波屏蔽效率.
主要成果:
- 合成的材料在8至12GHz频率范围内表现出EMW阻断能力.
- 在10GHz时,碳化生物废物表现出78.5%的屏蔽效率,有效地阻断发生的电磁波.
- 结构和表面分析证实了该材料适用于屏蔽应用的性能.
结论:
- 水果蒸生物废物可以转化为有效和可持续的EMW屏蔽材料.
- 这项研究提出了一种有希望的方法,用于利用生物废物,同时解决与EMW污染相关的环境问题.
- 开发的材料为电磁干扰屏蔽应用提供了一个可行的环保替代方案.
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