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- Porous alumina membrane is prepared by aluminum anodizing in given acidic solution. 直流恒压下,在酸性溶液中对铝实施两步阳极氧化制备了多孔氧化铝膜。
- In this paper porous alumina membrane is used as template to synthesize Ni nanoarray and electrical deposition is applied. 本文以纳米孔的多孔氧化铝膜作为模板,采用电化学沉积法在孔内合成出高度有序的镍纳米阵列体系。
- A metallographic microscope is used to observe the micrographs of the porous alumina membrane anodized by first and second steps. 用金相显微镜观察了一次阳极氧化和二次阳极氧化后多孔氧化铝的表面形貌。
- porous alumina membranes 多孔氧化铝模板
- Study of Ordered Porous Alumina Membrane Made by Two-step Anodization 二次阳极氧化方法制备有序多孔氧化铝膜
- The result shows that the anodic alumina membranes produced in oxalic acid or phosphoric acid electrolyte are porous double-layer films. 在硫酸电解液中形成的直流阳极氧化铝膜的等效电路中无多孔层信息。
- Porous alumina membrane 多孔氧化铝膜
- The equivalent circuit models corresponding to these anodic alumina membranes were established. 结果表明:在草酸、磷酸电解液中形成的阳极氧化铝膜是多孔双层膜。
- By measuring Current j-t curves were studied formational process of porous alumina films. 在直流恒电压条件下,以草酸为电解液制备了多孔氧化铝模板。
- Porous alumina templates were obtained by one and two-step anodization respectively. 分别采用一次阳极氧化和二次阳极氧化制备了多孔氧化铝模板。
- Nano-Cu/Al 2O 3 assemblies were prepared by AC electrochemical deposition of Cu in the ordered pores of alumina membranes. 以有序的多孔氧化铝为模板 ;利用交流电在孔洞中沉积金属铜得到纳米Cu粒子 Al2 O3 组装体系 .
- Porous alumina films with nanometer size have been fabricated through electrochemical method in the aqueous solutions of sulfuric acid and oxalic acid. 采用电化学方法在硫酸和草酸溶液中制备了具有纳米结构的多孔氧化铝。
- The porous alumina film prepared by anodization of aluminum in chromic acid under constant voltage and direct current can absorb infared wave. 在铬酸中采用直流恒压铝阳极氧化法制备氧化铝多孔膜,经测试这种多孔膜具有红外吸波性能。
- Abstracts Recently, alumina membranes have attracted enormous interest.Anodic Aluminum Oxide (AAO) is a kind of transparent template with high-ordered nano-pores. 摘 要 近年来研究制备具有纳米结构的氧化铝多孔膜越来越受到人们的关注。
- Porous alumina material was prepared with activated carbon as template and aluminum acetylacetonate as precursor in supercritical carbon dioxide (SC-CO2). 在超临界CO2中以活性炭为模板,乙酰丙酮铝为前驱体制备了氧化铝多孔材料。
- Anodization of high purity Al foil in phosphoric acid solution at different pressures was experimentally studied to understand the formation mechanism of the nano-porous anodic alumina membranes. 摘要为探讨多孔铝阳极氧化膜的形成机理,研究了不同气压条件下铝在磷酸溶液中的阳极氧化过程,发现在真空下进行阳极氧化,氧气析出非常明显。
- The appearance of the aluminium foil before and after annealing was observed with a metallographic microscope,and the surface morphology of porous alumina films was examined using SEM. 用金相显微镜观察了铝箔退火前后的表面形貌,并结合扫描电镜对多孔氧化铝薄膜进行了形貌观察和表征。
- Tests show Fe was deposited in porous alumina only in ferrous solution with JF,and the color of the oxide film darkens gradually with the Fe-content in the oxide film,but their relation is not a simple linear rule and the real black can not be gained. 试验结果表明只有在含有JF的亚铁盐溶液中才能在氧化膜中沉积铁,膜的颜色随氧化膜中铁的含量增加而加深,但不成正比关系,真黑色的膜难以得到。
- Nano-Ag/Al2O3 assemblies were prepared by alternating current(AC) electrochemical deposition of Ag in the ordered pores of alumina membranes. TEM spectra show that Ag nanoparticles were deposited in porous alumina. 以铝阳极氧化形成有序的多孔氧化铝为模板,利用交流电在模板孔洞中沉积金属 Ag得到纳米 Ag粒子 /Al2O3组装体系,透射电镜观察证实在氧化铝模板中有金属纳米 Ag粒子存在 .
- Keywords porous anodic alumina membranes;anodic oxidization;nanostructure; 多孔氧化铝模板;阳极氧化法;纳米结构;