红外技术, 2018, 40 (9): 915, 网络出版: 2018-10-06   

对类水滑石材料在近红外和远红外区域的伪装隐身的研究

Camouflage and Stealth of Layered Double Hydroxide in Near Infrared and Far Infrared Regions
作者单位
南京航空航天大学材料科学与技术学院, 江苏 南京 211106
摘要
用共沉淀法制备 Mg/Al-LDH、Zn/Al-LDH和 Zn/Mg/Al-LDH三种类水滑石填料, 用 IR-2双波段发射率测试仪测试 3种类水滑石填料和树叶的发射率。测试结果得出, 在 8~14 .m波段内 3种类水滑石填料的发射率与树叶的发射率相似, 且 Zn/Mg/Al-LDH的发射率低于 Mg/Al-LDH和 Zn/Al-LDH的发射率。用 UV-Vis-NIR分光度计测试这 3种类水滑石填料的反射光谱。在 780~2500 nm波段内 3种类水滑石反射光谱与植物叶片反射光谱的相似度达到 95%以上。实验结果表明, 这 3类水滑石材料可以作为近红外及远红外伪装隐身材料。对 Mg/Al-LDH, Zn/Al-LDH和 Zn/Mg/Al-LDH进行了 XRD, FT-IR、TG-DSC、SEM和 EDS表征。
Abstract
Mg/Al-LDH, Zn/Al-LDH, and Zn/Mg/Al-LDH were prepared using a coprecipitation method. Infrared emissivity values were acquired for the LDHs and leaves in the IR-2 Double Infrared Band. The test results revealed that the emissivities of the three LDH nanoparticles were similar to those of the leaves, and the emissivity of Zn/Mg/Al-LDH was lower than those of Mg/Al-LDH and Zn/Al-LDH in the 8-14 μm range. The reflectance spectra of the three LDHs were obtained using a UV-vis-NIR spectrophotometer. The similarities between the reflectance spectra of the three LDHs and leaves was more than 95%. Based on the experimental results, we conclude that the LDHs could be used as near-infrared and far-infrared camouflage materials. Apart from these characterization procedures, the LDH nanoparticles were also characterized by XRD, FT-IR,TG-DSC, SEM, and EDS.

杨玲, 李澄, 张曼昕, 董春栋, 项腾飞, 蝉文明, 胡玮, 梁娟. 对类水滑石材料在近红外和远红外区域的伪装隐身的研究[J]. 红外技术, 2018, 40(9): 915. YANG Ling, LI Cheng, ZHANG Manxin, DONG Chundong, XIANG Tengfei, CHAN Wenming, HU Wei, LIANG Juan. Camouflage and Stealth of Layered Double Hydroxide in Near Infrared and Far Infrared Regions[J]. Infrared Technology, 2018, 40(9): 915.

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