CN1948127A - Single crystal zinc oxide nano yarn array/polycrystalline aluminum substrate complex and preparation method thereof - Google Patents
Single crystal zinc oxide nano yarn array/polycrystalline aluminum substrate complex and preparation method thereof Download PDFInfo
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- CN1948127A CN1948127A CN 200510094806 CN200510094806A CN1948127A CN 1948127 A CN1948127 A CN 1948127A CN 200510094806 CN200510094806 CN 200510094806 CN 200510094806 A CN200510094806 A CN 200510094806A CN 1948127 A CN1948127 A CN 1948127A
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 70
- 239000013078 crystal Substances 0.000 title claims abstract description 55
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000758 substrate Substances 0.000 title claims abstract description 18
- 238000010668 complexation reaction Methods 0.000 title 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 30
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 15
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 15
- 239000011701 zinc Substances 0.000 claims abstract description 15
- 239000011259 mixed solution Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 239000004411 aluminium Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000006479 redox reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 229960001296 zinc oxide Drugs 0.000 description 53
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 241001062009 Indigofera Species 0.000 description 6
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 6
- 229940012189 methyl orange Drugs 0.000 description 6
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 6
- ZBQZBWKNGDEDOA-UHFFFAOYSA-N eosin B Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC([N+]([O-])=O)=C(O)C(Br)=C1OC1=C2C=C([N+]([O-])=O)C(O)=C1Br ZBQZBWKNGDEDOA-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- CEQFOVLGLXCDCX-WUKNDPDISA-N methyl red Chemical compound C1=CC(N(C)C)=CC=C1\N=N\C1=CC=CC=C1C(O)=O CEQFOVLGLXCDCX-WUKNDPDISA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002127 nanobelt Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WCKQPPQRFNHPRJ-UHFFFAOYSA-N 4-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid Chemical compound C1=CC(N(C)C)=CC=C1N=NC1=CC=C(C(O)=O)C=C1 WCKQPPQRFNHPRJ-UHFFFAOYSA-N 0.000 description 1
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a single crystal zinc oxide nano yarn array/polycrystalline aluminum substrate complex and a preparation method thereof. The complex comprises a substrate and zinc oxide nano yarns coated on the surface of the substrate, particularly a polycrystalline aluminum sheet, wherein the zinc oxide nano yarns are a single crystal zinc oxide nano yarn array which is vertical to the surface of the polycrystalline aluminum sheet and consists of +/-and (0001) surfaces; the yarns in the array are in the shape of a belt, the thickness of the yarns is 8-24 nm, the width of the yarns is 0.8-1.2 mu m, and the length of the yarns is 1-15 mu m; the method comprises cleaning the substrate, especially in a concentration of 0.005 to0.04M Zinc nitrate (Zn (NO)3) 2·6H2O) and hexamethylenetetramine (C) in a concentration of 0.005-0.04M6N4H12) Mixing the two phases, and adjusting the pH value of the mixed solution to 5-12 by using acid to obtain a growth solution; and then, suspending the polycrystalline aluminum sheet in a growth solution, and preserving heat for 1-24 hours at 65-95 ℃ to prepare the single crystal zinc oxide nano yarn array/polycrystalline aluminum substrate complex. It has high specific surface area and excellent chemical reaction activity, and may be used widely in redox reaction.
Description
Technical field the present invention relates to a kind of zinc oxide nanometer yarn/liner compound body and preparation method thereof, especially single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body and preparation method thereof.
Background technology is current, because the quickening of process of industrialization, pollutes seriously day by day, and the pollution of the pollution of organic pollution and heavy metal ion in the water resource, heavy metal in soil ion and big gas poisoning do harm to the pollution of property gas, all are that problem to be solved is arranged.Nano material has high specific surface and interface because of it, and superior chemical reactivity, can bring out a series of redox reaction, thereby can carry out oxidative degradation organic matter, heavy metal ion is reduced, toxic gas is adsorbed and transforms.Zinc oxide is a kind of broad-spectrum semiconductor material with wide forbidden band, and it has very large exciton binding energy (60meV), if the density of states of its surface state is bigger, just is easy to realize that electronics and the effective of hole separate, thereby improves the efficient of oxidation, reduction reaction.Based on these characteristics, the zinc oxide material of nanoscale be widely used in key areas such as photocatalysis, air-sensitive, and the specific surface of material is big more, and performance is good more.People are in order to obtain nano zinc oxide material, some trials and effort have been done, as a kind of " zinc oxide band/silicon substrate complex and the manufacture method thereof " that discloses among the disclosed Japanese application for a patent for invention prospectus JP 2004-161570A on June 10th, 2004.It is intended to provide a kind of zinc oxide band and manufacture method thereof of nanoscale; Wherein, the zinc oxide band is attached on the silicon substrate, and manufacture method is for using high temperature gas phase method.But, no matter be the zinc oxide band, or its manufacture method, all exist weak point, at first, the zinc oxide band is not by ± mono-crystalline structures that (0001) face constitutes; Secondly, the thickness of zinc oxide band is bigger than normal, up to tens nanometers, thereby has caused the specific area of band less than normal, and the utmost point is unfavorable for that it participates in redox reaction; Once more, manufacture method can not be prepared the single-crystal zinc-oxide band that is made of ± (0001) face, also during numerous and diverse, the energy charge of technology.
The summary of the invention the technical problem to be solved in the present invention provides a kind of practicality for overcoming weak point of the prior art, prepares easy single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body and preparation method thereof.
The single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body comprises the zinc oxide nanometer yarn that substrate and its surface are covered with, particularly (1), said substrate are the polycrystalline aluminium flake, and said zinc oxide nanometer yarn is perpendicular to single crystal zinc oxide nanometer yarn array polycrystalline aluminium flake surface, that be made of ± (0001) face; (2), the zinc oxide nanometer yarn in the said single crystal zinc oxide nanometer yarn array be shaped as band shape, the thickness of said band shape is that 8～24nm, width are that 0.8～1.2 μ m, length are 1～15 μ m.
The preparation method of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body comprises the cleaning of substrate, and particularly it is finished according to the following steps: (1), elder generation are the zinc nitrate (Zn (NO of 0.005～0.04M with concentration
3)
26H
2O) be the hexamethylenetetramine (C of 0.005～0.04M with concentration
6N
4H
12) mix mutually, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 5～12 again, obtains growth-promoting media; (2), the polycrystalline aluminium flake is suspended from the growth-promoting media, in 65～95 ℃ of insulations 1～24 hour down, make the single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body.
As the preparation method's of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body further improvement, the preparation of described mixed liquor is earlier to hexamethylenetetramine (C in proper order
6N
4H
12) add water, after fully being dissolved, it adds zinc nitrate (Zn (NO again
3)
26H
2O); Intensification step-length during described room temperature to 65～95 ℃ is 1～5 ℃/minute; The cleaning of described substrate is to clean with acetone earlier, again with deionized water or distilled water ultrasonic cleaning.
Beneficial effect with respect to prior art is, one, use field emission scanning electron microscope and transmission electron microscope and X-ray diffractometer to characterize respectively to the complex that makes, from the stereoscan photograph that obtains, transmission electron microscope photo and corresponding SEAD photo and X-ray energy spectrum figure as can be known: complex is the nanometer yarn numerous, epontic perpendicular to the polycrystalline aluminium flake, that ribbon constitutes, and the thickness of ribbon is that 8～24nm, width are that 0.8～1.2 μ m, length are 1～15 μ m.The nanometer yarn is served as reasons ± (0001) face single crystal zinc oxide nanometer yarn that constitute, height a axle orientation.They are two years old, complex is carried out the photocatalytic degradation reaction with daybreak indigo plant (eosin B), methyl orange (methyl orange) and methyl red (methylred) respectively, by its result as can be known, the efficient of above each organic dyestuff of complex photocatalytic degradation is very high, and degradation rate has all surpassed 99% in 90 minutes; They are three years old, complex, zinc oxide nano-belt, Zinc oxide nanoparticle are carried out the photocatalytic degradation reaction with the daybreak indigo plant (eosin B) of one of above-mentioned organic dyestuff respectively under different condition, the effect of complex photocatalytic degradation daybreak indigo plant is better than zinc oxide nano-belt out and away, also is much better than Zinc oxide nanoparticle; Its four, select for use polycrystalline aluminium as substrate, both solved the required substrate problem of growth of zinc oxide nano yarn, can make it with Al (OH) again
4 -Form as the pattern controlling agent of growth of zinc oxide nano yarn, be to kill two birds with one stone, time saving and energy saving material-saving; Its five, by changing the pH value of growth-promoting media, thereby the adsorbance of Al is (with Al (OH) on change zinc oxide (0001) face
4 -Form), and then reached the purpose that can arbitrarily control the single crystal zinc oxide nanometer yarn growth thickness; Its six, the used cost of material of preparation complex is cheap and be easy to get; Its seven, because of it only needs get final product reacting below 100 ℃, do not need pyroreaction, so except that saving energy and reduce the cost, also production equipment is not had specific (special) requirements; Its eight, the process of preparation is simple, quick, pollution-free, belongs to the environmental type preparation; Its nine, the fast growth of single crystal zinc oxide nanometer yarn, the efficient height is easy to the commercial applications of suitability for industrialized production and product.
Description of drawings is described in further detail optimal way of the present invention below in conjunction with accompanying drawing.
Fig. 1 observes the photo that the back is taken to the complex that makes with JEOL JSM-6300F type field emission scanning electron microscope, can see that from photo complex is a nanometer yarn array, this array is to be made of numerous nanometer yarns, wherein, a figure is that to adopt pH value be that the thickness of the single yarn that prepared in 5 o'clock is the single crystal zinc oxide nanometer yarn array of 24nm, b figure is that to adopt pH value be that the thickness of the single yarn that prepared in 7 o'clock is the single crystal zinc oxide nanometer yarn array of 19nm, c figure is that to adopt pH value be that the thickness of the single yarn of preparation in 10 o'clock is the single crystal zinc oxide nanometer yarn array of 15nm, and d figure is that to adopt the pH value be that the thickness of the single yarn that prepared in 12 o'clock is the single crystal zinc oxide nanometer yarn array of 8nm;
Fig. 2 observes the photo that the back is taken with JEM-200 CX type transmission electron microscope to the complex that makes, and wherein, a figure has shown structure and the pattern that constitutes the nanometer yarn of zinc oxide nanometer yarn array, and b figure is its corresponding SEAD photo;
Fig. 3 is with the x-ray diffraction pattern (XRD) that obtains after the test of Phillips PW 1700 type x-ray diffractometers and the observation to the complex that makes, wherein, ordinate is an intensity, abscissa is 2 times of angles, by XRD as can be known, the structure of nanometer yarn is served as reasons ± (0001) face single crystal zinc oxide nanometer yarn that constitute, height a axle orientation;
Fig. 4 is that the complex that will make is 1.0 * 10 with concentration respectively
-5M, volume is the daybreak indigo plant (eosin B) of 30mL, the light absorption that methyl orange (methyl orange) and methyl red (methyl red) carry out photocatalytic degradation reaction is figure as a result, wherein, ordinate is an optical absorption intensity, abscissa is a wavelength, near the concentration of the corresponding above-mentioned organic dyestuff of the intensity of the absworption peak among the figure 500nm, (a) figure be adopt 2mg zinc oxide nanometer yarn under the UV-irradiation condition to the degradation results of daybreak indigo plant (eosin B), (b) figure be adopt 2mg zinc oxide nanometer yarn under the UV-irradiation condition to the degradation results of methyl orange (methyl orange), (c) figure is the degradation results of zinc oxide nanometer yarn paramethyl red (methy lred) under the UV-irradiation condition of employing 2mg;
Fig. 5 is that the zinc oxide and the concentration of the complex that will make and other nanoscale is 1.0 * 10
-5M, volume is the figure as a result that the daybreak indigo plant (eosin B) of 30mL is carried out the photocatalytic degradation reaction, wherein, ordinate is the percentage of reaction, abscissa is the time, curve a among the figure is for adopting the reaction result of zinc oxide nanometer yarn under no UV-irradiation condition of 2mg, curve b is for adopting UV-irradiation, reaction result under the catalyst-free condition, curve c is for adopting the reaction result of zinc oxide nano-belt under the UV-irradiation condition of 2mg, curve d is for adopting the reaction result of Zinc oxide nanoparticle under UV-irradiation of 2mg, and curve e is for adopting the reaction result of zinc oxide nanometer yarn under UV-irradiation of 2mg.
Specific embodiment embodiment 1: completing steps is as follows, 1), earlier to hexamethylenetetramine (C
6N
4H
12) add water, it is fully dissolved after again with itself and zinc nitrate (Zn (NO
3)
26H
2O) be mixed into mixed liquor mutually, wherein, zinc nitrate (Zn (NO
3)
26H
2O) concentration is 0.005M, hexamethylenetetramine (C
6N
4H
12) concentration be 0.04M; Afterwards, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 5, obtains growth-promoting media.2), the polycrystalline aluminium flake is cleaned with acetone earlier, use the deionized water ultrasonic cleaning again; Then, the polycrystalline aluminium flake is suspended from the growth-promoting media, in 65 ℃ of down insulations 24 hours, wherein, the intensification step-length during by room temperature to 65 ℃ is 1 ℃/minute, makes as a figure, Fig. 2 among Fig. 1 and single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body shown in Figure 3.
Embodiment 2: completing steps is as follows, 1), earlier to hexamethylenetetramine (C
6N
4H
12) add water, it is fully dissolved after again with itself and zinc nitrate (Zn (NO
3)
26H
2O) be mixed into mixed liquor mutually, wherein, zinc nitrate (Zn (NO
3)
26H
2O) concentration is 0.01M, hexamethylenetetramine (C
6N
4H
12) concentration be 0.03M; Afterwards, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 7, obtains growth-promoting media.2), the polycrystalline aluminium flake is cleaned with acetone earlier, use the distilled water ultrasonic cleaning again; Then, the polycrystalline aluminium flake is suspended from the growth-promoting media, in 73 ℃ of down insulations 18 hours, wherein, the intensification step-length during by room temperature to 73 ℃ is 2 ℃/minute, makes as b figure, Fig. 2 among Fig. 1 and single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body shown in Figure 3.
Embodiment 3: completing steps is as follows, 1), earlier to hexamethylenetetramine (C
6N
4H
12) add water, it is fully dissolved after again with itself and zinc nitrate (Zn (NO
3)
26H
2O) be mixed into mixed liquor mutually, wherein, zinc nitrate (Zn (NO
3)
26H
2O) concentration is 0.02M, hexamethylenetetramine (C
6N
4H
12) concentration be 0.02M; Afterwards, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 9, obtains growth-promoting media.2), the polycrystalline aluminium flake is cleaned with acetone earlier, use the deionized water ultrasonic cleaning again; Then, the polycrystalline aluminium flake is suspended from the growth-promoting media, is incubated 12 hours down in 80 ℃, wherein, intensification step-length during by room temperature to 80 ℃ is 3 ℃/minute, makes the c figure, the single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body as shown in Figures 2 and 3 that are similar among Fig. 1.
Embodiment 4: completing steps is as follows, 1), earlier to hexamethylenetetramine (C
6N
4H
12) add water, it is fully dissolved after again with itself and zinc nitrate (Zn (NO
3)
26H
2O) be mixed into mixed liquor mutually, wherein, zinc nitrate (Zn (NO
3)
26H
2O) concentration is 0.03M, hexamethylenetetramine (C
6N
4H
12) concentration be 0.01M; Afterwards, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 10, obtains growth-promoting media.2), the polycrystalline aluminium flake is cleaned with acetone earlier, use the distilled water ultrasonic cleaning again; Then, the polycrystalline aluminium flake is suspended from the growth-promoting media, in 88 ℃ of down insulations 7 hours, wherein, the intensification step-length during by room temperature to 88 ℃ is 4 ℃/minute, makes as c figure, Fig. 2 among Fig. 1 and single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body shown in Figure 3.
Embodiment 5: completing steps is as follows, 1), earlier to hexamethylenetetramine (C
6N
4H
12) add water, it is fully dissolved after again with itself and zinc nitrate (Zn (NO
3)
26H
2O) be mixed into mixed liquor mutually, wherein, zinc nitrate (Zn (NO
3)
26H
2O) concentration is 0.04M, hexamethylenetetramine (C
6N
4H
12) concentration be 0.005M; Afterwards, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 12, obtains growth-promoting media.2), the polycrystalline aluminium flake is cleaned with acetone earlier, use the deionized water ultrasonic cleaning again; Then, the polycrystalline aluminium flake is suspended from the growth-promoting media, in 95 ℃ of down insulations 1 hour, wherein, the intensification step-length during by room temperature to 95 ℃ is 5 ℃/minute, makes as d figure, Fig. 2 among Fig. 1 and single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body shown in Figure 3.
Obviously, those skilled in the art can carry out various changes and modification to single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body of the present invention and preparation method thereof and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1, a kind of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body comprises the zinc oxide nanometer yarn that substrate and its surface are covered with, and it is characterized in that:
1.1, said substrate is the polycrystalline aluminium flake, said zinc oxide nanometer yarn be perpendicular to polycrystalline aluminium flake surface, by ± single crystal zinc oxide nanometer yarn array that (0001) face constitutes;
1.2, the zinc oxide nanometer yarn in the said single crystal zinc oxide nanometer yarn array be shaped as band shape, the thickness of said band shape is that 8～24nm, width are that 0.8～1.2 μ m, length are 1～15 μ m.
2, the preparation method of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body according to claim 1 comprises the cleaning of substrate, it is characterized in that:
2.1, earlier be the zinc nitrate (Zn (NO of 0.005～0.04M with concentration
3)
26H
2O) be the hexamethylenetetramine (C of 0.005～0.04M with concentration
6N
4H
12) mix mutually, the pH value of regulating mixed liquor with the mixed solution of nitric acid and ammoniacal liquor is 5～12 again, obtains growth-promoting media;
2.2, the polycrystalline aluminium flake is suspended from the growth-promoting media, in 65～95 ℃ of down insulations 1～24 hour, make the single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body.
3, the preparation method of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body according to claim 2, the preparation that it is characterized in that mixed liquor is earlier to hexamethylenetetramine (C in proper order
6N
4H
12) add water, after fully being dissolved, it adds zinc nitrate (Zn (NO again
3)
26H
2O).
4, the preparation method of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body according to claim 2, the intensification step-length when it is characterized in that by room temperature to 65～95 ℃ is 1～5 ℃/minute.
5, the preparation method of single crystal zinc oxide nanometer yarn array/poly crystal aluminium liner compound body according to claim 2, the cleaning that it is characterized in that substrate is for cleaning with acetone earlier, again with deionized water or distilled water ultrasonic cleaning.
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|---|---|---|---|---|
| CN102719886A (en) * | 2012-06-20 | 2012-10-10 | 大连民族学院 | Method for growing large-area zinc oxide micron wall |
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| CN1071712C (en) * | 1997-03-06 | 2001-09-26 | 西北大学 | Method for preparing nanometre-grade zinc oxide |
| CN1239395C (en) * | 2002-01-22 | 2006-02-01 | 大连三科科技发展有限公司 | Process for preparing nano zinc oxide material |
| CN1458205A (en) * | 2002-05-13 | 2003-11-26 | 谭善明 | High strength bright inner wall paint |
| KR100650528B1 (en) * | 2003-11-06 | 2006-11-28 | (주)나노하이브리드 | Method for Forming ZnO Nano-Array and ZnO Nanowall for UV Laser on Silicon Substrate |
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| CN102719886A (en) * | 2012-06-20 | 2012-10-10 | 大连民族学院 | Method for growing large-area zinc oxide micron wall |
| CN102719886B (en) * | 2012-06-20 | 2016-02-17 | 大连民族学院 | A kind of method of large area deposition zinc oxide micrometer wall |
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