Method for preparing titanium dioxide nano-rod array materials at low temperature

A nanorod array, titanium dioxide technology, applied in the direction of titanium dioxide, titanium oxide/hydroxide, metal material coating technology, etc., can solve the problems of use, complex process surfactant addition, etc., achieve less environmental pollution, easy monitoring and control, product cleanliness

Inactive Publication Date: 2012-01-11
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, many synthesis methods of titania nanorod arrays either use templates or involve complex procedures and the addition of surfactants

Method used

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  • Method for preparing titanium dioxide nano-rod array materials at low temperature
  • Method for preparing titanium dioxide nano-rod array materials at low temperature
  • Method for preparing titanium dioxide nano-rod array materials at low temperature

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Specific synthesis method of low-temperature titania nanorod arrays

[0032] The raw material for synthesizing titanium dioxide nanorod array material is hydrochloric acid (HCl), the reaction that titanium substrate (Ti) takes place is as follows:

[0033] Ti+4HCl→TiCl 4 +2H 2 ,

[0034] TiCl 4 +3H 2 O→H 2 TiO 3 ↓+4HCl,

[0035]

[0036] The specific operation steps are as follows:

[0037] Step 1, cleaning of the titanium substrate, the titanium substrate is ultrasonicated for 10 minutes in a mixed solution of alcohol and acetone with a volume ratio of 1:1, and rinsed with deionized water;

[0038] Step 2, remove the oxide layer of the titanium substrate, put the titanium substrate in 7% hydrochloric acid solution, heat it at 95°C in a water bath heater for 10 minutes, rinse it with deionized water, and finally dry it for use;

[0039] Step 3, preparing a reaction solvent, dissolving hydrochloric acid in an appropriate amount of water, and controlling the c...

Embodiment 2

[0042] Specific synthesis method of low-temperature titania nanorod arrays

[0043] The raw material for synthesizing titanium dioxide nanorod array material is hydrochloric acid (HCl), the reaction that titanium substrate (Ti) takes place is as follows:

[0044] Ti+4HCl→TiCl 4 +2H 2 ,

[0045] TiCl 4 +3H 2 O→H 2 TiO 3 ↓+4HCl,

[0046]

[0047] The specific operation steps are as follows:

[0048] Step 1, cleaning of the titanium substrate, the titanium substrate is ultrasonicated for 10 minutes in a mixed solution of alcohol and acetone with a volume ratio of 1:1, and rinsed with deionized water;

[0049] Step 2, remove the oxide layer of the titanium substrate, put the titanium substrate into 18% hydrochloric acid solution, heat it at 65°C in a water bath heater for 10 minutes, rinse it with deionized water, and finally dry it for use;

[0050] Step 3, preparing a reaction solvent, dissolving hydrochloric acid in an appropriate amount of water, and controlling th...

Embodiment 3

[0053] Specific synthesis method of low-temperature titania nanorod arrays

[0054] The raw material for synthesizing titanium dioxide nanorod array material is hydrochloric acid (HCl), the reaction that titanium substrate (Ti) takes place is as follows:

[0055] Ti+4HCl→TiCl 4 +2H 2 ,

[0056] TiCl 4 +3H 2 O→H 2 TiO 3 ↓+4HCl,

[0057]

[0058] The specific operation steps are as follows:

[0059] Step 1, cleaning of the titanium substrate, the titanium substrate is ultrasonicated for 10 minutes in a mixed solution of alcohol and acetone with a volume ratio of 1:1, and rinsed with deionized water;

[0060] Step 2, remove the oxide layer of the titanium substrate, put the titanium substrate into 10% hydrochloric acid solution, heat it at 80°C in a water bath heater for 10 minutes, rinse it with deionized water, and finally dry it for use;

[0061] Step 3, preparing a reaction solvent, dissolving hydrochloric acid in an appropriate amount of water, and controlling the ...

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Abstract

The invention discloses a method for preparing titanium dioxide nano-rod array materials at low temperature, suitable for preparing the titanium dioxide nano-rod array materials. The method comprises the following steps of cleaning a substrate, removing an oxidation layer, preparing reaction solution, reacting by heating, cooling and washing. The invention has the advantages of low cost, easily monitored and controled various parameters (such as temperature, pressure and the like) in the reaction process, little environmental pollution and clean products.

Description

technical field [0001] The invention belongs to a method for preparing titanium dioxide nanometer materials, and in particular relates to a method for preparing titanium dioxide nanorod array materials under low temperature conditions. Background technique [0002] Titanium dioxide nanomaterial is an important inorganic functional material with good photoelectricity, light sensitivity, gas sensitivity, pressure sensitivity and other characteristics. It has broad application prospects and has become a hot research topic at home and abroad. At present, research on titanium dioxide nanopowder and nanofilm is more common. Since the performance of titanium dioxide is closely related to its specific surface, the preparation of one-dimensional structures such as titanium dioxide nanotubes and nanorods can increase the specific surface area and surface energy, thereby improving work efficiency. As far as the current research report is concerned, the arrays of titanium dioxide nano...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G23/047C23C22/54
Inventor 何小珊胡陈果
Owner CHONGQING UNIV
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