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：杨玲[1] 李澄[1] 张曼昕 董春栋 项腾飞 蝉文明 胡玮[1] 梁娟 YANG Ling;LI Cheng;ZHANG Manxin;DONG Chundong;XIANG Tengfei;CHAN Wenming;HU Wei;LIANG Juan(Nanjing University of Aeronautics and Astronautics,College of Materials Science&Technology,Nanjing 211106,China)

机构地区：[1]南京航空航天大学材料科学与技术学院,江苏南京211106

出　　处：《红外技术》2018年第9期915-922,共8页Infrared Technology

基　　金：中联科技新材料联合实验室资助项目(2013-B-03);江苏高校优势学科建设工程资助项目

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。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 8-14μm 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.

关 键 词：类水滑石 发射率 反射光谱 红外隐身 

分 类 号：TN213[电子电信—物理电子学] O433.4[机械工程—光学工程]