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Preparation method and application of Fe-doped nanotube array membrane

A technology of nanotube array and film layer, which is applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., and can solve the problems of poor doping uniformity of nanotubes and difficult control of doping concentration

Inactive Publication Date: 2014-12-24
XIAMEN UNIV OF TECH
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Problems solved by technology

However, the doping uniformity of nanotubes prepared by this chemical method is relatively poor, and the doping concentration in the tube is difficult to control

Method used

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  • Preparation method and application of Fe-doped nanotube array membrane
  • Preparation method and application of Fe-doped nanotube array membrane
  • Preparation method and application of Fe-doped nanotube array membrane

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Experimental program
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Effect test

Embodiment 1

[0019] Experimental steps:

[0020] Fe-doped TiO 2 The nanotube array preparation method is as follows:

[0021] Step 1: Use the JGP450 magnetron sputtering coating machine, which is equipped with 2 radio frequency sputtering targets, in which the sputtering of Ti and Fe films uses 99.999% and 99.99% pure Ti and Fe metal targets, sputtering gas Ar gas; first pump the vacuum chamber to 1×10 -4 Pa, the sputtering pressure is 2-3Pa. The ITO glass substrate was ultrasonically cleaned with acetone, ethanol and secondary deionized water for 15 min. Sputter the Ti film on the ITO glass at room temperature with an Ar flow rate of 8sccm, deposit the Ti film for 2.5 hours with a sputtering power of 100W, then use an excitation power supply of 5A, and sputter an Fe film for 5min at a DC power supply of 0.3A\300V, and then use the Ti film before Deposition conditions The Ti film was deposited for 2.5 hours to obtain an ultra-thin composite film with a sandwich structure of Ti\Fe\Ti. ...

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Abstract

The invention discloses a preparation method and application of an Fe-doped nanotube array membrane. By adopting the method disclosed by the invention, a porous nanotube array membrane of which the diameter is 40-60nm can be formed, and nanotubes are arranged perpendicular to the surface of a matrix. Compared with a TiO2 nanotube array membrane sample, the Fe-doped nanotube array membrane disclosed by the invention has better photocatalytic activity.

Description

technical field [0001] The invention relates to the technical fields of catalyst synthesis and chemical industry, in particular to a preparation method and application of an Fe-doped nanotube array film. Background technique [0002] TiO 2 It is a semiconductor material with excellent chemical properties and high light stability. TiO prepared by anodic oxidation technique 2 The nanotube array film is arranged in a highly ordered array with uniform distribution. Nanotubes have extremely high ordered structure and high quantum effect, and can achieve nanotube diameter (22-200nm), tube length (200-250μm), tube wall thickness (7-110nm) by adjusting a series of preparation parameters And structure (amorphous, anatase or rutile) controllable, high stability. The highly ordered titania nanotube arrays are vertically aligned on the surface, allowing the smooth transport of charges along the nanotubes from the solution to the conductive matrix, thereby reducing the loss of charge...

Claims

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Application Information

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IPC IPC(8): C23C14/35C23C14/06B82Y30/00B82Y40/00
Inventor 左娟周斯栋刘旭雷世忠王镇国
Owner XIAMEN UNIV OF TECH
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