CN108525657A - A kind of preparation method of graphene composite photocatalyst material - Google Patents
A kind of preparation method of graphene composite photocatalyst material Download PDFInfo
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- CN108525657A CN108525657A CN201810332740.3A CN201810332740A CN108525657A CN 108525657 A CN108525657 A CN 108525657A CN 201810332740 A CN201810332740 A CN 201810332740A CN 108525657 A CN108525657 A CN 108525657A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 41
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000376 reactant Substances 0.000 claims abstract description 16
- 238000005406 washing Methods 0.000 claims abstract description 12
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000001621 bismuth Chemical class 0.000 claims abstract description 11
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 11
- 239000011591 potassium Substances 0.000 claims abstract description 11
- WGIWBXUNRXCYRA-UHFFFAOYSA-H trizinc;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O WGIWBXUNRXCYRA-UHFFFAOYSA-H 0.000 claims abstract description 11
- 235000006076 zinc citrate Nutrition 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 150000004683 dihydrates Chemical class 0.000 claims abstract description 10
- OXHNIMPTBAKYRS-UHFFFAOYSA-H lanthanum(3+);oxalate Chemical compound [La+3].[La+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O OXHNIMPTBAKYRS-UHFFFAOYSA-H 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012153 distilled water Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 9
- FFQALBCXGPYQGT-UHFFFAOYSA-N 2,4-difluoro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=C(F)C=C1F FFQALBCXGPYQGT-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011746 zinc citrate Substances 0.000 abstract description 2
- 229940068475 zinc citrate Drugs 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- 230000001699 photocatalysis Effects 0.000 description 11
- 238000007146 photocatalysis Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 metals salt Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B01J35/39—
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
A kind of preparation method of graphene composite photocatalyst material of the present invention, the graphene solution of 0.5 2mol/L is added in deionized water, at 15 25 DEG C of temperature, graphene dispersing solution is obtained after 25 45min of ultrasonic disperse；Potassium fluotitanate, zinc citrate (dihydrate), strontium zirconate and lanthanum oxalate are mixed, 20 40min are stirred by ultrasonic at 30 40 DEG C of temperature, then freezes 4 8h at a temperature of 20 DEG C~0 DEG C, adds bismuth salt, 30 50min are stirred by ultrasonic, obtain finely dispersed colloidal liquid；It takes graphene dispersing solution and colloidal liquid to mix, temperature is increased to 80 120 DEG C with 14 DEG C/min of rate, reactant is obtained after reaction；Above-mentioned reactant cooled to room temperature filters and is washed 56 times with distilled water and absolute ethyl alcohol, obtains washings；Washings is dried into 3 6h at 80 100 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
Description
Technical field
The present invention relates to the preparing technical fields of catalysis material, and in particular to a kind of graphene composite photocatalyst material
Preparation method.
Background technology
Catalysis material refers to a kind of semi-conducting material that one reduction reaction of photooxidation can be induced under light action；With
Problem of environmental pollution is increasingly severe, and photocatalysis technology is more next come the contaminant applications in environment of degrading using solar energy as the energy
It is more.In the world can be many as having for catalysis material, including titanium dioxide, zinc oxide, tin oxide, zirconium dioxide, vulcanization
The many oxides sulfide semiconductor such as cadmium, wherein titanium dioxide (Titanium Dioxide) are because its oxidability is strong, chemistry
Property is stablized nontoxic, becomes nano photocatalyst catalytic material most hot in the world.Currently, with TiO2For the conductor photocatalysis of representative
Agent research is the most ripe, it can effectively utilize the most organic pollutions of sunlight (ultraviolet light) degradation, bacterium and portion
It is H to divide inorganic matter, degradation final product2O、CO2With harmless salt, product cleaning can achieve the purpose that environment purification.One side
Face, simple TiO2, photocatalysis efficiency is not high, and photoresponse range is relatively narrow, and in ultraviolet region, sun light utilization efficiency is low；Separately
On the one hand, the recombination probability in one hole pair of semiconductor light induced electron is higher, hole and electronics in excitation state easily by with
Under several approach inactivation：1) electronics and hole is again compound；2) move to particle surface with absorption other electron donors or
Redox reaction occurs for receptor；3) captured by metastable surface etc., to constrain its development.Therefore, for TiO2's
Study on the modification improves its photocatalysis efficiency, expands its photoresponse range, is main research direction in recent years.
Invention content
The purpose of the present invention is the deficiencies for catalysis material performance in the prior art, provide a kind of graphene complex light
The preparation method of catalysis material, it is grapheme modified using various metals salt using graphene dispersing solution as carrier, and then had
The novel photocatalysis material of highlight catalytic active.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of preparation method of graphene composite photocatalyst material, includes the following steps：
S1：The graphene solution of 0.5-2mol/L is added in deionized water, the two volume ratio is 1:25-45, in temperature
At 15-25 DEG C, graphene dispersing solution is obtained after ultrasonic disperse 25-45min；
S2：4-8 parts of potassium fluotitanates, 2-5 parts of zinc citrates (dihydrate), 3-7 parts of strontium zirconates and 4-9 parts of lanthanum oxalates are mixed
It closes, 20-40min is stirred by ultrasonic at 30-40 DEG C of temperature, then freezes 4-8h at a temperature of -20 DEG C~0 DEG C, adds 1-5
Part bismuth salt, is stirred by ultrasonic 30-50min, obtains finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 10-20 parts of step S2 obtained by taking in 20-40 parts of step S1, with
1-4 DEG C of rate/min increases temperature to 80-120 DEG C, and reactant is obtained after reacting 2-5h；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 5-6 times with distilled water and absolute ethyl alcohol, must be washed
Wash object；Washings is dried into 3-6h at 80-100 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
Preferably, a concentration of 1.4mol/L of graphene solution described in step S1；Graphene solution and deionized water two
Person's volume ratio is 1:35.
Preferably, temperature described in step S1 is 20 DEG C；Ultrasonic disperse 30min.
Preferably, 7 parts of potassium fluotitanates described in step S2,5 parts of zinc citrates (dihydrate), 5 parts of strontium zirconates and 6 parts of grass
Sour lanthanum.
Preferably, 35min is stirred by ultrasonic at 35 DEG C of temperature in step S2,6h is then freezed at a temperature of -10 DEG C, then add
Enter 3 parts of bismuth salts, 45min is stirred by ultrasonic.
Preferably, graphene dispersing solution described in step S3 is 35 parts, and colloidal liquid is 15 parts；With rate 2 DEG C/min liters
High-temperature reacts 3.5h to 100 DEG C.
Preferably, washings described in step S4 dries 4.5h at 85 DEG C.
The graphene composite photocatalyst material that above-mentioned any one preparation method is prepared.
Advantageous effect：
The preparation method of a kind of graphene composite photocatalyst material of the present invention, with potassium fluotitanate, zinc citrate (two water
Close object), strontium zirconate, lanthanum oxalate, bismuth salt obtain colloidal liquid；Graphene dispersing solution and colloidal liquid are mixed, using hydro-thermal method
Prepare mixture；Through the process such as being filtered, washed, drying, dry, even aperture distribution is obtained, photocatalysis effect is good
Graphene composite photocatalyst material；And it is easily detached with product.
Specific implementation mode
It being further illustrated the present invention below in conjunction with following embodiments, following embodiments are merely to illustrate the present invention, and
The unrestricted present invention.
Embodiment 1
S1：The graphene solution of 0.5mol/L is added in deionized water, the two volume ratio is 1:25, in 25 DEG C of temperature
Under, obtain graphene dispersing solution after ultrasonic disperse 25min；
S2：4 parts of potassium fluotitanates, 2 parts of zinc citrates (dihydrate), 3 parts of strontium zirconates and 4 parts of lanthanum oxalates are mixed, in temperature
20min is stirred by ultrasonic at 30 DEG C of degree, then freezes 4h at a temperature of -20 DEG C, adds 1 part of bismuth salt, 30min is stirred by ultrasonic,
Obtain finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 10 parts of step S2 obtained by taking in 20 parts of step S1, with rate 1
DEG C/min increase temperature to 80-120 DEG C, react 2-5h after reactant；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 5 times with distilled water and absolute ethyl alcohol, must be washed
Object；Washings is dried into 3h at 80 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
After testing, the present embodiment catalysis material grain size integrated distribution is between 10-20nm, compared with the light of conventional method preparation
Catalysis material improves 15% compared to photocatalytic activity.
Embodiment 2
S1：The graphene solution of 2mol/L is added in deionized water, the two volume ratio is 1:45, at 25 DEG C of temperature,
Graphene dispersing solution is obtained after ultrasonic disperse 45min；
S2：4 parts of potassium fluotitanates, 5 parts of zinc citrates (dihydrate), 7 parts of strontium zirconates and 9 parts of lanthanum oxalates are mixed, in temperature
40min is stirred by ultrasonic at 40 DEG C of degree, then freezes 8h at a temperature of 0 DEG C, adds 5 parts of bismuth salts, 50min is stirred by ultrasonic, obtains
Finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 20 parts of step S2 obtained by taking in 40 parts of step S1, with rate 4
DEG C/min increase temperature to 80-120 DEG C, react 2-5h after reactant；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 6 times with distilled water and absolute ethyl alcohol, must be washed
Object；Washings is dried into 6h at 100 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
After testing, the present embodiment catalysis material grain size integrated distribution is between 10-20nm, compared with the light of conventional method preparation
Catalysis material improves 20% compared to photocatalytic activity.
Embodiment 3
S1：The graphene solution of 0.8mol/L is added in deionized water, the two volume ratio is 1:30, in 18 DEG C of temperature
Under, obtain graphene dispersing solution after ultrasonic disperse 28min；
S2：5 parts of potassium fluotitanates, 3 parts of zinc citrates (dihydrate), 4 parts of strontium zirconates and 6 parts of lanthanum oxalates are mixed, in temperature
30min is stirred by ultrasonic at 32 DEG C of degree, then freezes 5h at a temperature of -15 DEG C, adds 2 parts of bismuth salts, 35min is stirred by ultrasonic,
Obtain finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 12 parts of step S2 obtained by taking in 25 parts of step S1, with rate 2
DEG C/min increase temperature to 90 DEG C, react 3h after reactant；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 6 times with distilled water and absolute ethyl alcohol, must be washed
Object；Washings is dried into 4h at 85 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
After testing, the present embodiment catalysis material grain size integrated distribution is between 10-20nm, compared with the light of conventional method preparation
Catalysis material improves 18% compared to photocatalytic activity.
Embodiment 4
S1：The graphene solution of 1.2mol/L is added in deionized water, the two volume ratio is 1:40, in 23 DEG C of temperature
Under, obtain graphene dispersing solution after ultrasonic disperse 35min；
S2：7 parts of potassium fluotitanates, 5 parts of zinc citrates (dihydrate), 6 parts of strontium zirconates and 8 parts of lanthanum oxalates are mixed, in temperature
35min is stirred by ultrasonic at 38 DEG C of degree, then freezes 7h at a temperature of -8 DEG C, adds 4 parts of bismuth salts, 45min is stirred by ultrasonic, obtains
Finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 17 parts of step S2 obtained by taking in 35 parts of step S1, with rate 4
DEG C/min increase temperature to 110 DEG C, react 5h after reactant；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 5 times with distilled water and absolute ethyl alcohol, must be washed
Object；Washings is dried into 6h at 95 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
After testing, the present embodiment catalysis material grain size integrated distribution is between 10-20nm, compared with the light of conventional method preparation
Catalysis material improves 23% compared to photocatalytic activity.
Embodiment 5
S1：The graphene solution of 1.4mol/L is added in deionized water, the two volume ratio is 1:35, in 20 DEG C of temperature
Under, obtain graphene dispersing solution after ultrasonic disperse 30min；
S2：7 parts of potassium fluotitanates, 5 parts of zinc citrates (dihydrate), 5 parts of strontium zirconates and 6 parts of lanthanum oxalates are mixed, in temperature
35min is stirred by ultrasonic at 35 DEG C of degree, then freezes 6h at a temperature of -10 DEG C, adds 3 parts of bismuth salts, 45min is stirred by ultrasonic,
Obtain finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 15 parts of step S2 obtained by taking in 35 parts of step S1, with rate 2
DEG C/min increase temperature to 100 DEG C, react 3.5h after reactant；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 5-6 times with distilled water and absolute ethyl alcohol, must be washed
Wash object；Washings is dried into 4.5h at 85 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
After testing, the present embodiment catalysis material grain size integrated distribution is between 10-20nm, compared with the light of conventional method preparation
Catalysis material improves 30% compared to photocatalytic activity.
The foregoing is merely the better embodiment of the present invention, protection scope of the present invention is not with the above embodiment
Limit, as long as those of ordinary skill in the art should all be included in power according to equivalent modification or variation made by disclosed content
In protection domain described in sharp claim.
Claims (8)
1. a kind of preparation method of graphene composite photocatalyst material, which is characterized in that include the following steps：
S1：The graphene solution of 0.5-2mol/L is added in deionized water, the two volume ratio is 1:25-45, in temperature 15-25
At DEG C, graphene dispersing solution is obtained after ultrasonic disperse 25-45min；
S2：4-8 parts of potassium fluotitanates, 2-5 parts of zinc citrates (dihydrate), 3-7 parts of strontium zirconates and 4-9 parts of lanthanum oxalates are mixed,
20-40min is stirred by ultrasonic at 30-40 DEG C of temperature, then freezes 4-8h at a temperature of -20 DEG C~0 DEG C, adds 1-5 parts
Bismuth salt is stirred by ultrasonic 30-50min, obtains finely dispersed colloidal liquid；
S3：Colloidal liquid mixes in graphene dispersing solution and 10-20 parts of step S2 obtained by taking in 20-40 parts of step S1, with rate
1-4 DEG C/min increases temperature to 80-120 DEG C, and reactant is obtained after reacting 2-5h；
S4：It waits for above-mentioned reactant cooled to room temperature, filter and is washed 5-6 times with distilled water and absolute ethyl alcohol, obtain washings；
Washings is dried into 3-6h at 80-100 DEG C, graphene composite photocatalyst material is can be obtained after grinding.
2. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S1
Described in graphene solution a concentration of 1.4mol/L；Both graphene solution and deionized water volume ratio are 1:35.
3. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S1
Described in temperature be 20 DEG C；Ultrasonic disperse 30min.
4. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S2
Described in 7 parts of potassium fluotitanates, 5 parts of zinc citrates (dihydrate), 5 parts of strontium zirconates and 6 parts of lanthanum oxalates.
5. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S2
35min is stirred by ultrasonic at 35 DEG C of middle temperature, then freezes 6h at a temperature of -10 DEG C, adds 3 parts of bismuth salts, is stirred by ultrasonic
45min。
6. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S3
Described in graphene dispersing solution be 35 parts, colloidal liquid be 15 parts；Temperature is increased to 100 DEG C with 2 DEG C/min of rate, is reacted
3.5h。
7. a kind of preparation method of graphene composite photocatalyst material according to claim 1, which is characterized in that step S4
Described in washings dry 4.5h at 85 DEG C.
8. the graphene composite photocatalyst material being prepared according to any one preparation method of claim 1-7.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120109187A (en) * | 2011-03-28 | 2012-10-08 | 제주대학교 산학협력단 | Photocatalytic composition comprising graphene oxide |
| CN104971711A (en) * | 2015-06-23 | 2015-10-14 | 龙岩学院 | Preparation method of photocatalyst La/TiO2/Bi2O3 composite material |
| CN106215920A (en) * | 2016-08-29 | 2016-12-14 | 佛山市高明区尚润盈科技有限公司 | A kind of porous graphene carried titanium dioxide composite and preparation method thereof |
| CN107233879A (en) * | 2017-01-17 | 2017-10-10 | 韦学玉 | A kind of preparation method of lanthanum/titanium dioxide-graphene composite photocatalyst material |
-
2018
- 2018-04-13 CN CN201810332740.3A patent/CN108525657A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120109187A (en) * | 2011-03-28 | 2012-10-08 | 제주대학교 산학협력단 | Photocatalytic composition comprising graphene oxide |
| CN104971711A (en) * | 2015-06-23 | 2015-10-14 | 龙岩学院 | Preparation method of photocatalyst La/TiO2/Bi2O3 composite material |
| CN106215920A (en) * | 2016-08-29 | 2016-12-14 | 佛山市高明区尚润盈科技有限公司 | A kind of porous graphene carried titanium dioxide composite and preparation method thereof |
| CN107233879A (en) * | 2017-01-17 | 2017-10-10 | 韦学玉 | A kind of preparation method of lanthanum/titanium dioxide-graphene composite photocatalyst material |
Non-Patent Citations (2)
| Title |
|---|
| 刘强等: "掺钇锆酸锶-TiO2复合光催化剂的制备及性能研究", 《无机化学学报》 * |
| 唐婕等: "《环保陶瓷生产与应用》", 31 January 2018, 北京：中国建材工业出版社 * |
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