Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass

A technology of titanium dioxide and conductive glass, which is applied in the field of preparing titanium dioxide nanoscale multi-level structure films on conductive glass, can solve the problems of complex process, difficult control of nanostructure size and shape, harsh reaction conditions, etc., and achieve simple operation, size and shape The effect of easy appearance, size and shape control

Inactive Publication Date: 2014-07-09
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the preparation methods of titanium dioxide nano-level structure include template method, solvothermal method and solution etching method, etc. These methods are relatively complex in process, relatively harsh in reaction conditions, and difficult to control the size and shape of nanostructures.

Method used

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  • Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass
  • Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass
  • Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Make the area 60x55mm 2 , a polished pure titanium sheet with a thickness of 0.1 mm was ultrasonically cleaned in acetone, ethanol and deionized water for 10 min in sequence; As the anode, the platinum electrode is used as the cathode, the electrode distance is 3cm, the voltage is 60V, the electrolytic cell is kept at a constant temperature of 25°C, anodized for 10h, and the electrolyte is continuously stirred during the treatment process; the obtained sample is ultrasonically cleaned in ethanol for 15min, and then immersed in 100ml of 1% hydrofluoric acid solution, let stand at 25°C for 2 minutes, separate the film from the titanium sheet, take out the titanium dioxide film, wash it with deionized water until it is neutral, and dry it in the air; Coat a layer of 2 μm titanium dioxide nanoparticle film, transfer the titanium dioxide nanotube array film prepared by anodic oxidation to conductive glass, and dry at 200°C for 1 hour; immerse the titanium dioxide nanotube ar...

Embodiment 2

[0020] Make the area 60x55mm 2 , a polished pure titanium sheet with a thickness of 0.1 mm was ultrasonically cleaned in acetone, ethanol and deionized water for 10 min in sequence; As the anode, the platinum electrode is used as the cathode, the electrode distance is 3cm, the voltage is 60V, the electrolytic cell is kept at a constant temperature of 25°C, anodized for 8h, and the electrolyte solution is continuously stirred during the treatment process; the obtained sample is ultrasonically cleaned in ethanol for 15min, and then immersed in 100ml of 1% hydrofluoric acid solution by mass fraction, let stand at 25°C for 1min, separate the film from the titanium sheet, take out the titanium dioxide film and rinse it with deionized water until it is neutral, and dry it in the air; Coat a layer of 2 μm titanium dioxide nanoparticle film, transfer the titanium dioxide nanotube array film prepared by anodic oxidation to conductive glass, and dry at 200°C for 1 hour; immerse the tita...

Embodiment 3

[0022] Make the area 60x55mm 2 , a polished pure titanium sheet with a thickness of 0.1 mm was ultrasonically cleaned in acetone, ethanol and deionized water for 10 min in sequence; As the anode, the platinum electrode is used as the cathode, the electrode distance is 3cm, the voltage is 60V, the electrolytic cell is kept at a constant temperature of 25°C, anodized for 8h, and the electrolyte solution is continuously stirred during the treatment process; the obtained sample is ultrasonically cleaned in ethanol for 15min, and then immersed in 100ml of 1% hydrofluoric acid solution by mass fraction, let stand at 25°C for 1min, separate the film from the titanium sheet, take out the titanium dioxide film and rinse it with deionized water until it is neutral, and dry it in the air; Coat a layer of 2 μm titanium dioxide nanoparticle film, transfer the titanium dioxide nanotube array film prepared by anodic oxidation to conductive glass, and dry at 200°C for 1 hour; immerse the tita...

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Abstract

The invention discloses a method for preparing a titanium dioxide nano multi-level structure thin film on conductive glass. A process of the method comprises the following steps of: after oxidizing a pure titanium anode to obtain a titanium dioxide nanotube array thin film, soaking and etching with hydrofluoric acid to separate the titanium dioxide thin film from a titanium sheet; coating a titanium dioxide nanoparticle thin film on the conductive glass; transferring the titanium dioxide nanotube array thin film to the conductive glass; drying at a high temperature and then treating through strong alkali solution and acid solution; and calcining to obtain the anatase type titanium dioxide nano multi-level structure thin films of different appearances. The method is easy to operate, easy to control and low in cost. The average diameter of the multi-level array structure and the thickness of the thin film are adjustable; and the appearance of the multi-level array structure can be controlled through subsequent acid treatment. Compared with the multi-level array structures prepared on the conductive glass by other methods, the size and the appearance of the thin film are easier to control and the specific surface area is larger.

Description

technical field [0001] The invention relates to a method for preparing a titanium dioxide nanometer multi-level structure film on conductive glass, which belongs to the preparation technology of titanium dioxide nanometer materials. Background technique [0002] Because the physical and chemical properties of titanium dioxide nanostructures are affected by factors such as its size, shape and dimension to a certain extent, the study of new titanium dioxide nanostructures has attracted widespread attention. In addition to conventional titania nanoparticles, nanowires, nanorods and nanotube structures, titania nano-hierarchical structures have also become the focus of research in recent years due to their unique structures and properties, for example, titania coaxial multilayer nanotube array structures, titania These titanium dioxide multilevel materials are widely used in photovoltaic cells, photocatalysis, sensors and biochemistry. [0003] At present, the preparation metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/23C25D11/26
Inventor 赵乃勤初飞李家俊师春生刘恩佐何春年
Owner TIANJIN UNIV
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