High length-diameter ratio titania nanometer tube array preparation method
A technology of nanotube array and high aspect ratio, which is applied in nanostructure manufacturing, nanotechnology, nanotechnology, etc., can solve the problems of long anodic oxidation time, achieve uniform distribution, increase electrochemical reaction speed, and fast growth rate Effect
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[0020] Examples 1-17
[0021] Grind and polish the industrial pure titanium plate or titanium alloy with metallographic sandpaper to the surface without scratches, and then use acetone, absolute ethanol and deionized water to ultrasonically clean, dry and set aside. At room temperature, use a stainless steel plate or a titanium plate as the counter electrode, take 125 ml of electrolyte, and apply an anode voltage to perform electrochemical anodization. The sample was taken out and rinsed with deionized water, ultrasonically cleaned, and dried. The composition and experimental conditions of the electrolyte are shown in Table 1. figure 1 with figure 2 These are nanotube arrays prepared according to the conditions of Examples 1 and 2 in Table 1, respectively. It can be seen from the picture that the nanotube array is an upright, hollow, and ordered porous structure, with the upper and lower dimensions basically the same, with the upper end open and the bottom end closed. The titani...
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[0023] Examples 18-21
[0024] Similar to Example 1, the difference is that the industrial pure titanium plate or titanium alloy is polished with metallographic sandpaper to the surface without scratches, and then ultrasonically cleaned with acetone, absolute ethanol and deionized water, and then dried for later use. At room temperature, use a stainless steel plate or a titanium plate as the counter electrode, take 125 ml of electrolyte, and apply an anode voltage to perform electrochemical anodization. The sample was taken out and rinsed with deionized water, ultrasonically cleaned, and dried. The composition and experimental conditions of the electrolyte are shown in Table 2. The titanium alloy uses Ti-5Al-2.5Sn or Ti-Ni-Nb.
[0025] Real
[0026] X-ray energy spectrometer was used to analyze the composition of the nanotube array prepared by electrochemical anodization. From image 3 It can be clearly seen that only two elements of Ti and O are contained, indicating th...
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