CN102895963A - Method of loading titanium dioxide nanorod arrays on surface of titanium wire mesh - Google Patents
Method of loading titanium dioxide nanorod arrays on surface of titanium wire mesh Download PDFInfo
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- CN102895963A CN102895963A CN2012103412644A CN201210341264A CN102895963A CN 102895963 A CN102895963 A CN 102895963A CN 2012103412644 A CN2012103412644 A CN 2012103412644A CN 201210341264 A CN201210341264 A CN 201210341264A CN 102895963 A CN102895963 A CN 102895963A
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 88
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000002073 nanorod Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004408 titanium dioxide Substances 0.000 title abstract description 7
- 238000003491 array Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001035 drying Methods 0.000 claims abstract description 25
- 239000010936 titanium Substances 0.000 claims abstract description 21
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 16
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005554 pickling Methods 0.000 claims abstract description 11
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 5
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 4
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000008367 deionised water Substances 0.000 claims description 39
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 14
- 235000021110 pickles Nutrition 0.000 claims description 13
- 239000000376 reactant Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 abstract description 12
- 239000010408 film Substances 0.000 abstract description 8
- 238000007146 photocatalysis Methods 0.000 abstract description 8
- 230000001699 photocatalysis Effects 0.000 abstract description 8
- 239000010409 thin film Substances 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000012620 biological material Substances 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 229960004011 methenamine Drugs 0.000 abstract 1
- 238000000151 deposition Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 4
- 229940043267 rhodamine b Drugs 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000002057 nanoflower Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention provides a method of loading titanium dioxide nanorod arrays on a surface of a titanium wire mesh. The method uses a solution direct oxidation method, and comprises steps of: preparing a pickling solution, using nitric acid and hexamethylene tetramine, or nitric acid and melamine, or hydrogen peroxide solution as reaction solutions, performing pickling for the titanium wire mesh and then immersing in the reaction solution to react, putting into a hot water with a pH value of 1.0 to 3.0 adjusted by hydrochloric acid or into a hot water to react, taking out and drying to get the finished product. The method is simple, pollution-free and low in cost, and does not need templates and catalysts during the preparation process; and the obtained film can firmly combine with titanium substrates and can be widely used in fields of photocatalysis, photoelectrocatalysis, thin film solar cells, gas sensors, biological materials, etc.
Description
Technical field
The present invention relates to a kind of method at titanium wire network area load titanic oxide nanorod array, be applicable in applications such as photocatalysis, photoelectrocatalysis and thin-film solar cells light anodes.
Background technology
The titanium dioxide source is abundant, and stable chemical nature, fast light corrosion have potential application in fields such as photocatalysis, photoelectrocatalysis and thin-film solar cells.The micro-nanometer ordered structure titanium deoxid film is because its special dimensional effect, has high specific area, abundant surface catalysis is active, and excellent electron transfer performance, shown excellent photoelectric properties in above-mentioned application.Over nearly 40 years, occurred multiple on electro-conductive glass, pottery and metal substrate the technology of the micro-nanometer ordered structure titanium deoxid films such as depositing nano line, nanometer rods.But, these technology or complicated template or the template of needs, perhaps need the particular surroundings such as HTHP or the expensive unmanageable chemical reagent of needs, electrochemical appliance etc., scarcely be applicable to mass production, thereby become one of key factor of restriction micro-nanometer ordered structure titanium deoxid film commercial application.
At present, have technology at micro-nanometer ordered structure titanium deoxid films such as pickling metal titanium plate depositing nano rod (CN1740392), nano wire (CN101508463) and nano flowers (CN1807258).
But, can't obtain nano-stick array thin film at titanium wire network.
Because titanic oxide nanorod array possesses some unique photoelectric properties, the deposition of titanium oxide nanometer stick array has great importance on titanium wire network.At present, the existing report that adopts electrochemical anodic oxidation technology deposition of titanium oxide nano-pipe array thin film on titanium wire network still, does not also adopt the report of solution direct oxidation method deposition of titanium oxide nano-stick array thin film on titanium wire network.Compare with the titanium plate, titanium wire network has larger specific area, and the titanium wire network of area load titanium dioxide nano-rod oldered array will have more excellent performance when using in relating to the opto-electronic conversion field.
Summary of the invention
The purpose of this invention is to provide a kind of simple, quick preparation in the method for titanium wire network area load titanic oxide nanorod array.
Method at titanium wire network area load titanic oxide nanorod array of the present invention, employing be the solution direct oxidation method, following three kinds of technical solutions are arranged:
Method at titanium wire network area load titanic oxide nanorod array may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) in concentration is 20%～30% hydrogen peroxide solution, add the nitric acid of 10～20ml/L and the hexamethylenetetramine of 10～15g/L, get reactant liquor;
3) with Titanium silk screen surface with step 1) the pickle pickling after, clean in ultrasonic wave with deionized water again, then be immersed in step 2) reactant liquor in, in 60～80 ℃ of lower 48～72 h that react;
4) reacted titanium wire network washed with de-ionized water, after the drying, place 60～80 ℃ of hot water of the pH value 1.0 ~ 3.0 of regulating with hydrochloric acid or place 60～80 ℃ of hot water, take out behind reaction 48～72 h, use washed with de-ionized water, drying obtains the titanium wire network of area load titanic oxide nanorod array.
Scheme 2
Method at titanium wire network area load titanic oxide nanorod array may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) in concentration is 20%～30% hydrogen peroxide solution, add nitric acid and the 1～10g/L melamine of 10～20ml/L, get reactant liquor;
3) with Titanium silk screen surface with step 1) the pickle pickling after, clean in ultrasonic wave with deionized water again, then be immersed in step 2) reactant liquor in, in 60～80 ℃ of lower 48～72 h that react;
4) reacted titanium wire network washed with de-ionized water after the drying, places 60～80 ℃ of hot water of the pH value 1.0 ~ 3.0 of regulating with hydrochloric acid, take out behind reaction 48～72 h, use washed with de-ionized water, drying obtains the titanium wire network of area load titanic oxide nanorod array.
Scheme 3
Method at titanium wire network area load titanic oxide nanorod array may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) with Titanium silk screen surface with after the above-mentioned pickle pickling, clean in ultrasonic wave with deionized water again, then be immersed in concentration and be in 10%～20% the hydrogen peroxide solution, react 48～72 h in 60～80 ℃ times;
3) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water, and reaction is taken out behind 48～72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
The titanic oxide nanorod array that loads on the titanium wire network surface that above-mentioned three kinds of schemes obtain is that anatase and the rutile of crystallization mixes phase structure, and the average diameter of nanometer rods is 50～120 nanometers, and length is 400～600 nanometers approximately.
Among the present invention, form and hot water pH value different with reactant liquor, all can obtain the uniform titanic oxide nanorod array of pattern at titanium wire network.
The inventive method is simple and easy to do, preparation process does not need template and catalyst, and is pollution-free, and cost is low, the film that obtains is combined with titanium-base firmly, can be widely used in the various fields such as photocatalysis, photoelectrocatalysis, thin-film solar cells, gas sensor, biomaterial.
Description of drawings
Fig. 1 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 1 preparation, and wherein (a) is 1000 times, (b) is 50000 times;
Fig. 2 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 2 preparation, and wherein (a) is 10000 times, (b) is 50000 times;
Fig. 3 is the x-ray diffraction pattern of the area load titanic oxide nanorod array of embodiment 2 preparations, A among the figure: anatase; R: rutile; Ti: titanium;
Fig. 4 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 3 preparation, and wherein (a) is 5000 times, (b) is 50000 times;
Fig. 5 is the x-ray diffraction pattern of the area load titanic oxide nanorod array of embodiment 3 preparations, A among the figure: anatase; R: rutile; Ti: titanium;
Fig. 6 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 4 preparation, and wherein (a) is 1000 times, (b) is 50000 times;
Fig. 7 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 5 preparation, and wherein (a) is 500 times, (b) is 50000 times;
Fig. 8 is the field emission scanning electron microscope photo of titanium wire network of the area load titanic oxide nanorod array of embodiment 6 preparation, and wherein (a) is 5000 times, (b) is 50000 times;
The specific embodiment
Further set forth the present invention below in conjunction with embodiment.But the present invention not only is confined to following embodiment.
The following stated concentration is mass percent concentration.
1) with concentration be 55% hydrofluoric acid, concentration be 65% nitric acid with deionized water by volume the ratio of 1:3:6 mix, get pickle;
2) be that to add 0.67 ml concn in 20% hydrogen peroxide solution be nitric acid and 66.7 milligrams of hexamethylenetetramines of 63% at 50 ml concns, get reactant liquor;
3) will be of a size of 2.5 * 2.5 * 0.01(cm
3) the Titanium silk screen with above-mentioned mixed acid pickling after, clean up in ultrasonic wave with deionized water.Then be immersed in step 2) reactant liquor in, in 80 ℃ of lower reaction 60 h;
4) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water of the pH value 1.0 of regulating with hydrochloric acid, takes out after reacting 72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 1, and nanometer rods is fusiformis, and average length is 400 nm approximately, and average diameter is 90 nm approximately.
Embodiment 2
1) with embodiment 1 step 1);
2) be that to add 0.80 ml concn in 20% hydrogen peroxide solution be nitric acid and 75.0 milligrams of hexamethylenetetramines of 63% at 50 ml concns, get reactant liquor;
3) with embodiment 1 step 3);
4) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water of the pH value 2.0 of regulating with hydrochloric acid, takes out after reacting 60 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 2, and the average length of nanometer rods is 600 nm approximately, and average diameter is 120 nm.X-ray diffraction is the result show, the crystal structure that aligns titanium dioxide nano-rod that loads on the titanium wire network surface is rutile and anatase multiphase (see figure 3).
Embodiment 3
1) with embodiment 1 step 1);
2) with embodiment 1 step 2);
3) with embodiment 1 step 3);
4) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water of the pH value 3.0 of regulating with hydrochloric acid, takes out after reacting 72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 4, and the average diameter of nanometer rods is 120 nm.The crystal structure that aligns titanium dioxide nano-rod that loads on the titanium wire network surface is rutile and anatase multiphase (see figure 5).
Embodiment 4
1) with embodiment 1 step 1);
2) with embodiment 1 step 2);
3) with embodiment 2 step 3);
4) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water, takes out after reacting 48 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 6, and the average diameter of nanometer rods is about 70 nm.
Embodiment 5
1) with embodiment 1 step 1);
2) be that to add 0.67 ml concn in 30% hydrogen peroxide solution be nitric acid and 6.67 milligrams of melamines of 63% at 50 ml concns, get reactant liquor;
3) with embodiment 1 step 3);
4) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water of the pH value 2.0 of regulating with hydrochloric acid, takes out after reacting 72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 7, and the average diameter of nanometer rods is 50 to 60 nm.
Embodiment 6
1) with embodiment 1 step 1);
2) be of a size of 2.5 * 2.5 * 0.01(cm
3) the Titanium silk screen with above-mentioned mixed acid pickling after, clean in ultrasonic wave with deionized water again, then be immersed in concentration and be in 20% the hydrogen peroxide solution, in 80 ℃ of lower reaction 72 h;
3) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water, takes out after reacting 72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
Reaction result
The titanium wire network surface uniform generates titanic oxide nanorod array as shown in Figure 8, and the average diameter of nanometer rods is about 50 to 60 nm.
The photocatalysis performance test
Photocatalysis performance for the titanium wire network of the area load titanic oxide nanorod array that characterizes the present invention preparation, the rhodamine B solution of configuration 0.005mM, be that the titanium wire network of the area load titanic oxide nanorod array of 2.5cm * 2.5cm places 50 ml to be in the rhodamine B solution of stirring with area, test its catalytic efficiency.Adopt the uviol lamp of 14W that light source is provided, about the above-mentioned titanium wire network of light source distance surface 5cm.After the light-catalyzed reaction 30 minutes, get 3 ~ 5ml sample, detect the concentration of residue rhodamine B in the solution with ultraviolet-visible spectrophotometer, as a result shown in the table 1:
The different film light catalytic degradation of table 1. rhodamine B solution residual concentration after 30 minutes
| Embodiment | Embodiment 3 | Embodiment 5 | Embodiment 6 | Commercial P25 |
| |
0% | 16% | 21% | 50% |
In the table 1, commercial P25 thin film technology method as a comparison is as follows: commercial P25 titanic oxide nano is scattered in the ethanol, after sonic oscillation disperses, adopts and flood on the titanium sheet that lifts after technology is coated on surface acid-washing.The titanium chip size is 2.5cm * 2.5cm, and the film thickness of coating is 3 microns.
Photocatalysis is the result show, although the area of the titanium wire network of the area load titanic oxide nanorod array that adopts less than comparative sample P25, the thickness of titanium dioxide is also much smaller than P25, photocatalysis efficiency is far above P25.
Claims (6)
1. the method at titanium wire network area load titanic oxide nanorod array is characterized in that may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) in concentration is 20%～30% hydrogen peroxide solution, add the nitric acid of 10～20ml/L and the hexamethylenetetramine of 10～15g/L, get reactant liquor;
3) with Titanium silk screen surface with step 1) the pickle pickling after, clean in ultrasonic wave with deionized water again, then be immersed in step 2) reactant liquor in, in 60～80 ℃ of lower 48～72 h that react;
4) reacted titanium wire network washed with de-ionized water, after the drying, place 60～80 ℃ of hot water of the pH value 1.0 ~ 3.0 of regulating with hydrochloric acid or place 60～80 ℃ of hot water, take out behind reaction 48～72 h, use washed with de-ionized water, drying obtains the titanium wire network of area load titanic oxide nanorod array.
2. the method at titanium wire network area load titanic oxide nanorod array according to claim 1, the titanic oxide nanorod array that it is characterized in that loading on the titanium wire network surface is that anatase and the rutile of crystallization mixes phase structure, the average diameter of nanometer rods is 50～120 nanometers, and length is 400～600 nanometers approximately.
3. the method at titanium wire network area load titanic oxide nanorod array is characterized in that may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) in concentration is 20%～30% hydrogen peroxide solution, add nitric acid and the 1～10g/L melamine of 10～20ml/L, get reactant liquor;
3) with Titanium silk screen surface with step 1) the pickle pickling after, clean in ultrasonic wave with deionized water again, then be immersed in step 2) reactant liquor in, in 60～80 ℃ of lower 48～72 h that react;
4) reacted titanium wire network washed with de-ionized water after the drying, places 60～80 ℃ of hot water of the pH value 1.0 ~ 3.0 of regulating with hydrochloric acid, take out behind reaction 48～72 h, use washed with de-ionized water, drying obtains the titanium wire network of area load titanic oxide nanorod array.
4. the method at titanium wire network area load titanic oxide nanorod array according to claim 3, the titanic oxide nanorod array that it is characterized in that loading on the titanium wire network surface is that anatase and the rutile of crystallization mixes phase structure, the average diameter of nanometer rods is 50～120 nanometers, and length is 400～600 nanometers approximately.
5. the method at titanium wire network area load titanic oxide nanorod array is characterized in that may further comprise the steps, and the following stated concentration is mass percent concentration:
1) with concentration be 50～55% hydrofluoric acid, concentration be 65～68% nitric acid with deionized water by volume 1:3:6 mix, get pickle;
2) with Titanium silk screen surface with after the above-mentioned pickle pickling, clean in ultrasonic wave with deionized water again, then be immersed in concentration and be in 10%～20% the hydrogen peroxide solution, react 48～72 h in 60～80 ℃ times;
3) reacted titanium wire network washed with de-ionized water after the drying, places 80 ℃ of hot water, and reaction is taken out behind 48～72 h, uses washed with de-ionized water, and drying obtains the titanium wire network of area load titanic oxide nanorod array.
6. the method at titanium wire network area load titanic oxide nanorod array according to claim 5, the titanic oxide nanorod array that it is characterized in that loading on the titanium wire network surface is that anatase and the rutile of crystallization mixes phase structure, the average diameter of nanometer rods is 50～120 nanometers, and length is 400～600 nanometers approximately.
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Cited By (9)
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| CN103276382A (en) * | 2013-06-17 | 2013-09-04 | 南京碧盾新材料科技有限公司 | Preparation method for titanium dioxide array film with branch nano-structure and product and use thereof |
| CN103311325A (en) * | 2013-05-20 | 2013-09-18 | 天津大学 | Titanium dioxide nanorod-nanocrystalline-nanoflower material and preparation method thereof |
| CN104032367A (en) * | 2014-05-20 | 2014-09-10 | 中国科学院广州能源研究所 | Method for preparing TiO2 nano nanopillar array by combination of pre-implantation of rutile-phase TiO2 film on titanium substrate and hydrothermal synthesis |
| CN105186007A (en) * | 2015-06-26 | 2015-12-23 | 浙江大学 | Nanostructure Ti/TiO2 composite electrode, preparation method and application thereof |
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| CN115739063A (en) * | 2022-11-19 | 2023-03-07 | 杭州电子科技大学 | Titanium oxide multistage array photocatalytic film and preparation method thereof |
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| 薛红星: "钛直接氧化制备二氧化钛纳米线和空心多面体", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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