| Summary: | 碩士 === 國立臺灣大學 === 材料科學與工程學研究所 === 97 === Nanoarrays of nickel-phosphorous is developed by electroless plating into anodic aluminum oxide(AAO) template. Unlike traditional template electroless plating, which needs to sensitize and activate inside of the pores in anodic aluminum oxide template, we sensitized and activated the substrate then stock one side of anodic aluminum oxide template on the substrate and started electroless plating. Nckel is self-activated, so that there is no need to sensitize and activate inside the pores in anodic aluminum oxide template. Deposited nickel will be the new catalytic layer, so nanoarrays can be developed. And, this method can avoid that nickel may deposited too fast and stuck the pores of anodic aluminum oxide template.
We used different substrates to develop nanoarrays, such as glass, polystyrene film, polystyrene nanoparticles and polyaniline-coated-polystyrene nanoparticles. Only polystyrene nanoparticles and polyaniline-coated-polystyrene nanoparticles could develop nanoarrays. Nanoarrays made by polystyrenes were nanorods with the same length. But, nanoarrays made by core-shell particles were nanotubes with bad structure. The difference between these two methods was because their growth mechanisms were different. And, properties of nanoarrys from these two different substrates were not the same. Besides, nanoarrays made of two methods both maintain their magnetism. Nanoarrays were analyzed by SEM, EDS, XRD and SQUID.
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