CN108906020A - A kind of preparation method of titanium dioxide-zinc oxide composite catalyzing material - Google Patents
A kind of preparation method of titanium dioxide-zinc oxide composite catalyzing material Download PDFInfo
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- CN108906020A CN108906020A CN201810811403.2A CN201810811403A CN108906020A CN 108906020 A CN108906020 A CN 108906020A CN 201810811403 A CN201810811403 A CN 201810811403A CN 108906020 A CN108906020 A CN 108906020A
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- 239000000463 material Substances 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- JRFBNCLFYLUNCE-UHFFFAOYSA-N zinc;oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Zn+2] JRFBNCLFYLUNCE-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 62
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011787 zinc oxide Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 14
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000908 ammonium hydroxide Substances 0.000 claims abstract description 11
- 150000003751 zinc Chemical class 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims abstract description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 239000012065 filter cake Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000000047 product Substances 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 6
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical group [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004246 zinc acetate Substances 0.000 claims description 3
- LMDAGMAWWYVRJZ-UHFFFAOYSA-N ethanol;zinc Chemical compound [Zn].CCO LMDAGMAWWYVRJZ-UHFFFAOYSA-N 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 229960001296 zinc oxide Drugs 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 229960004756 ethanol Drugs 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 230000001699 photocatalysis Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- BEAZKUGSCHFXIQ-UHFFFAOYSA-L zinc;diacetate;dihydrate Chemical compound O.O.[Zn+2].CC([O-])=O.CC([O-])=O BEAZKUGSCHFXIQ-UHFFFAOYSA-L 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 102000057593 human F8 Human genes 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 229940047431 recombinate Drugs 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of preparation methods of titanium dioxide-zinc oxide composite catalyzing material, including：(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water, 1~2h of ultrasonic reaction makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.1~0.5g/L；(2) under stirring conditions, the ethanol solution of soluble zinc salt is added into above-mentioned titanium dioxide suspension, stirs 20~30min, adding ammonium hydroxide liquid and adjusting pH value is 8~9, continues to be stirred to react 30~40min under 60~80 DEG C of water bath conditions；(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 80~120 DEG C of dry 1~2h, 3~5h is roasted at 300~500 DEG C, obtains titanium dioxide-zinc oxide composite catalyzing material.In the present invention, by titanium dioxide doping zinc-oxide help to improve the light degradation activity of composite catalyzing material, to increase to the absorptivity of ultraviolet light.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of system of titanium dioxide-zinc oxide composite catalyzing material
Preparation Method.
Background technique
Environmental pollution and energy resources anxiety are the serious problems that future social development has to face.Hydrogen is a kind of
It cleans, is efficient, reproducible energy carrier, being widely used in national economy and social life.Due to solar energy
Development and utilization with enriching for water resource, solar energy photocatalytic hydrogen manufacturing have very big development potentiality.In recent years, nanometer titanium dioxide
Titanium (TiO2) due to the advantage of its excellent photocatalysis performance, chemical stability height, anti-light corrosion are nontoxic, low in cost etc. excellent
Point, it is considered to be most promising catalysis material causes the extensive concern of people.Especially with one-dimensional nano structure
Nano-TiO2Material, large specific surface area, length-width ratio are big, and surface-active site is more, and the fast feature of electron transfer rate makes it
Possess higher photocatalytic activity.However, due to TiO2Band gap it is relatively wide (3.2eV) so that it is only in response to ultraviolet waves
Long light irradiation.In addition, photo-generate electron-hole is in the transition process from inside to surface during Photocatalyzed Hydrogen Production
In be easy catalytic inner recombinate, cause solar energy to be converted into the poor efficiency of Hydrogen Energy.In the past few decades, researcher
Various methods have been researched and developed to improve TiO2Photocatalysis efficiency, including noble metal loading, metal and nonmetalloid are mixed
It miscellaneous (such as N and S element), dye sensitization and is coupled etc. with other semiconductors.In recent years, metal oxide (such as CuO,
ZnO, NiO), due to the greater activity showed in terms of photochemical catalyzing, cause the concern of researchers.
Zinc oxide (ZnO) possesses biggish sharp since it is the direct band-gap semicondictor of greater band gap (3.37eV)
Sub- binding energy (60meV), it is considered to be up-and-coming photoelectric material is frequently used to do photoelectric, while also applying
The electrode material of material, solar battery and Li-Ion rechargeable battery in terms of laser diode.ZnO has and TiO2It is similar
Band structure and physical property, but simultaneously also have the unexistent characteristic of some titanium dioxide, such as higher quantum yield and
Higher electron mobility, this is advantageous to improve its photocatalytic activity.In addition, nano-ZnO have easily crystallization and it is each to different
Property growth performance, this allows nano-ZnO to be easy to be synthesized the nanostructures of different morphologies.Importantly, the valence band location of ZnO and
Stronger electronics rate travel is conducive to water decomposition hydrogen.Meanwhile ZnO and TiO2Band structure can be good at matching.
Therefore, nano zine oxide is coupled on one-dimensional nanometer titanic oxide material, is expected to improve its photocatalytic activity and produces hydrogen
Energy.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of titanium dioxide-zinc oxide composite catalyzing material, to overcome
Deficiency in the prior art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of preparation method of titanium dioxide-zinc oxide composite catalyzing material, including：
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water,
1~2h of ultrasonic reaction, makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.1~0.5g/L；
(2) under stirring conditions, the ethanol solution of soluble zinc salt, stirring are added into above-mentioned titanium dioxide suspension
20~30min, adding ammonium hydroxide liquid and adjusting pH value is 8~9, continue to be stirred to react 30 under 60~80 DEG C of water bath conditions~
40min；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 80~120 DEG C of dryings
1~2h roasts 3~5h at 300~500 DEG C, obtains titanium dioxide-zinc oxide composite catalyzing material.
Preferably, in step (1), the concentration of the titanium dioxide suspension is 0.3g/L.
Preferably, in step (2), the concentration of the soluble zinc salt is 0.1~1.0mol/L.
Preferably, the soluble zinc salt is zinc acetate or zinc nitrate.
Preferably, in step (2), the concentration of the ammonium hydroxide is 0.5~2.0mol/L.
Preferably, in step (3), the heating rate of the roasting is 5~10 DEG C/min.
Preferably, in the titanium dioxide-zinc oxide composite catalyzing material, the mass fraction of the titanium dioxide is 78~
85%, the mass fraction of the zinc oxide is 15~22%.
Compared with the prior art, the advantages of the present invention are as follows：In the present invention, by titanium dioxide doping zinc-oxide have
The light degradation activity for helping improve composite catalyzing material, to increase the absorptivity to ultraviolet light.
Specific embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method of titanium dioxide-zinc oxide composite catalyzing material, including：
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water,
1~2h of ultrasonic reaction, makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.1~0.5g/L；
(2) under stirring conditions, the ethanol solution of soluble zinc salt, stirring are added into above-mentioned titanium dioxide suspension
20~30min, adding ammonium hydroxide liquid and adjusting pH value is 8~9, continue to be stirred to react 30 under 60~80 DEG C of water bath conditions~
40min；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 80~120 DEG C of dryings
1~2h roasts 3~5h at 300~500 DEG C, obtains titanium dioxide-zinc oxide composite catalyzing material.
Wherein, the concentration of the titanium dioxide suspension is 0.3g/L.
Wherein, the soluble zinc salt is zinc acetate or zinc nitrate, the concentration of the soluble zinc salt is 0.1~
1.0mol/L, it is preferred that the concentration of the soluble zinc salt is 0.5mol/L.
Wherein, the concentration of the ammonium hydroxide is 0.5~2.0mol/L, it is preferred that the concentration of the ammonium hydroxide is 1.5mol/L.
Wherein, the heating rate of the roasting be 5~10 DEG C/min, it is preferred that the heating rate of the roasting be 8 DEG C/
min。
In the titanium dioxide-zinc oxide composite catalyzing material according to made from the above method, the quality point of the titanium dioxide
Number is 78~85%, and the mass fraction of the zinc oxide is 15~22%.
Following preparation sides that titanium dioxide-zinc oxide composite catalyzing material in the present invention is illustrated with specifically embodiment
Method.
Embodiment 1
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water,
Ultrasonic reaction 1h, makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.1g/L；
(2) under stirring conditions, it is 0.1mol/L acetic acid zinc salt that concentration is added into above-mentioned titanium dioxide suspension
Ethanol solution, stir 20min, add concentration be 0.5mol/L ammonium hydroxide liquid adjust pH value be 8, continue under 60 DEG C of water bath conditions
It is stirred to react 30min；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 80 DEG C of dry 1h, then
3h is roasted at 300 DEG C, wherein the heating rate of roasting is 5 DEG C/min, obtains titanium dioxide-zinc oxide composite catalyzing material.
In the titanium dioxide-zinc oxide composite catalyzing material according to made from the above method, the quality point of the titanium dioxide
Number is 78%, and the mass fraction of the zinc oxide is 22%.
Embodiment 2
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water,
Ultrasonic reaction 1.5h, makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.3g/L；
(2) under stirring conditions, it is 0.5mol/L acetic acid zinc salt that concentration is added into above-mentioned titanium dioxide suspension
Ethanol solution, stir 25min, add concentration be 1.5mol/L ammonium hydroxide liquid adjust pH value be 8.5, under 70 DEG C of water bath conditions after
It is continuous to be stirred to react 35min；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 100 DEG C of dryings
1.5h roasts 4h at 400 DEG C, wherein the heating rate of roasting is 8 DEG C/min, obtains that titanium dioxide-zinc oxide is compound to urge
Change material.
In the titanium dioxide-zinc oxide composite catalyzing material according to made from the above method, the quality point of the titanium dioxide
Number is 80%, and the mass fraction of the zinc oxide is 20%.
Embodiment 3
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water,
Ultrasonic reaction 2h, makes it be uniformly dispersed, and obtains the titanium dioxide suspension that concentration is 0.5g/L；
(2) under stirring conditions, it is 1.0mol/L acetic acid zinc salt that concentration is added into above-mentioned titanium dioxide suspension
Ethanol solution, stir 30min, add concentration be 2.0mol/L ammonium hydroxide liquid adjust pH value be 9, continue under 80 DEG C of water bath conditions
It is stirred to react 40min；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, in 120 DEG C of dry 2h,
5h is roasted at 500 DEG C, wherein the heating rate of roasting is 10 DEG C/min, obtains titanium dioxide-zinc oxide composite catalyzing material
Material.
In the titanium dioxide-zinc oxide composite catalyzing material according to made from the above method, the quality point of the titanium dioxide
Number is 85%, and the mass fraction of the zinc oxide is 15%.
In the present invention, lived by the light degradation that doping zinc-oxide helps to improve composite catalyzing material in titanium dioxide
Property, to increase the absorptivity to ultraviolet light；After ultraviolet light waste water 60min, the degradation rate of organic matter is up to
98.6%.Therefore, the composite catalyzing material in the present invention has broad application prospects in terms of photocatalysis.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (7)
1. a kind of preparation method of titanium dioxide-zinc oxide composite catalyzing material, which is characterized in that including：
(1) by nano titanium dioxide powder be added volume be 1:In 2 dehydrated alcohol and the mixed solution of deionized water, ultrasound
1~2h is reacted, it is made to be uniformly dispersed, obtains the titanium dioxide suspension that concentration is 0.1~0.5g/L；
(2) under stirring conditions, into above-mentioned titanium dioxide suspension be added soluble zinc salt ethanol solution, stirring 20~
30min, adding ammonium hydroxide liquid and adjusting pH value is 8~9, continues to be stirred to react 30~40min under 60~80 DEG C of water bath conditions；
(3) product obtained in step (2) is filtered, after gained Washing of Filter Cake to neutrality, 80~120 DEG C dry 1~
2h roasts 3~5h at 300~500 DEG C, obtains titanium dioxide-zinc oxide composite catalyzing material.
2. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 1, which is characterized in that step
Suddenly in (1), the concentration of the titanium dioxide suspension is 0.3g/L.
3. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 1, which is characterized in that step
Suddenly in (2), the concentration of the soluble zinc salt is 0.1~1.0mol/L.
4. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 3, which is characterized in that institute
Stating soluble zinc salt is zinc acetate or zinc nitrate.
5. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 1, which is characterized in that step
Suddenly in (2), the concentration of the ammonium hydroxide is 0.5~2.0mol/L.
6. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 1, which is characterized in that step
Suddenly in (3), the heating rate of the roasting is 5~10 DEG C/min.
7. the preparation method of titanium dioxide-zinc oxide composite catalyzing material according to claim 1, which is characterized in that institute
It states in titanium dioxide-zinc oxide composite catalyzing material, the mass fraction of the titanium dioxide is 78~85%, the zinc oxide
Mass fraction is 15~22%.
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| CN110947383A (en) * | 2019-11-12 | 2020-04-03 | 芜湖职业技术学院 | Polyester fiber photodegradation catalyst and preparation method thereof |
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| CN109731617A (en) * | 2018-12-13 | 2019-05-10 | 东莞理工学院 | A kind of Fe3O4/ polypyrrole/polyaniline/TiO2The preparation method of/ZnO composite material |
| CN110142050A (en) * | 2019-05-27 | 2019-08-20 | 吕梁学院 | The preparation method of zinc sulphide doped titanium dioxide photocatalyst |
| CN110947383A (en) * | 2019-11-12 | 2020-04-03 | 芜湖职业技术学院 | Polyester fiber photodegradation catalyst and preparation method thereof |
| CN111974375A (en) * | 2020-08-28 | 2020-11-24 | 嘉兴学院 | Composite photocatalyst film and preparation method and application thereof |
| CN114590834A (en) * | 2022-03-30 | 2022-06-07 | 广州天赐高新材料股份有限公司 | Nano titanium dioxide-zinc oxide hybrid material and synthetic method thereof |
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Application publication date: 20181130 |