Fabrication of titania nanotube arrays on curved surface |
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Authors: | Jinliang Tao Jianling Zhao Xixin Wang Yingru Kang Yangxian Li |
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Institution: | aSchool of Material Science and Engineering, Hebei University of Technology, Tianjin 300130, China |
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Abstract: | In this paper, well-ordered titania nanotube arrays were formed on curved surface provided by titanium wire via anodic oxidation. The morphology of the nanotube arrays was observed by scanning electron microscopy (SEM). It was found that within the range of 360°, all the growing orientations of each nanotube keep correspondence with their outer electric fields. That is to say the surface shapes of anode play an important role on morphology of nanotube arrays. Compared with foils, by changing the anode shape, higher aspect ratio can be obtained. The nanotube arrays formed on wires can provide good understanding for the formation mechanism of the nanotube arrays. Furthermore, it can stimulate new thoughts in practical applications due to its ringed shaper. |
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Keywords: | Anodization Titania Nanotube arrays Curved surface |
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