磁控溅射Ag/ZnO纳米薄膜涤纶织物的制备及其性能

为探讨织物结构对表面沉积纳米复合薄膜形貌及性能的影响,采用直流射频共溅法,以不同组织结构纯涤纶织物为基材,分别以金属银(Ag)与锌(Zn)为靶材,制备Ag/ZnO纳米薄膜。对表面沉积Ag/ZnO薄膜的涤纶织物的形貌结构,沉积颜色、防紫外线性能及电磁屏蔽性能进行表征。实验结果表明:非织造布表面薄膜颗粒分布较为均匀,机织布表面纳米颗粒最不平整,针织布表面纳米颗粒粒径较小,并存在部分团簇颗粒;试样表面Ag衍射峰较明显,但ZnO依然以非晶态形式存在;针织布表面沉积Ag/ZnO薄膜后,其明度最小,颜色较暗;以非织造布为基材的试样其防紫外线性能及电磁屏蔽效果最明显。

Preparation and properties of Ag/ZnO composite film deposited polyester fabrics by magnetron sputtering

In order to study the effect of polyester fabric structure on the morphology and performance of nanocomposite film deposited on the surface of fabrics,direct current(DC)and radio frequency(RF)co-sputtering methods were used to prepare Ag/ZnO films with knitted polyester fabrics of different structures as the substrate and metallic silver and zinc oxide as targets respectively.By using field emission scanning electron microscope,X-ray diffractometer,photoelectron spectrometer,computer measurement and matching system,ultraviolet transmittance tester,electromagnetic radiation tester,the films were evaluated in terms of surface structure,color analysis,UV protection and electromagnetic shielding performance.The experimental results show that the particle size of the film on the surface of the nonwoven fabric is more uniform,the surface of the woven fabric is less smooth,the surface particle of the knitted fabric is smaller,and some particle amalgamation are found.Diffraction peaks with Ag are more obvious,but ZnO still exists in amorphous form.After depositing Ag/ZnO film on the surface of knitted fabric,its brightness is the lowest and the color is dark.The samples with nonwoven fabric as substrate demonstrate the most obvious ultraviolet resistance and electromagnetic shielding effect.