CN110201658A - A kind of preparation method of Titanium dioxide nanoparticle/multi-layer graphene composite material - Google Patents
A kind of preparation method of Titanium dioxide nanoparticle/multi-layer graphene composite material Download PDFInfo
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- CN110201658A CN110201658A CN201910322335.8A CN201910322335A CN110201658A CN 110201658 A CN110201658 A CN 110201658A CN 201910322335 A CN201910322335 A CN 201910322335A CN 110201658 A CN110201658 A CN 110201658A
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 63
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 13
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 13
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002245 particle Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 22
- 229910002804 graphite Inorganic materials 0.000 claims description 18
- 239000010439 graphite Substances 0.000 claims description 18
- 239000006185 dispersion Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 239000012046 mixed solvent Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 239000003643 water by type Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 3
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 230000000536 complexating effect Effects 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- -1 compound Titanium dioxide Chemical class 0.000 abstract description 5
- 238000000151 deposition Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- 239000000428 dust Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000002023 wood 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
-
- B01J35/39—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
Abstract
The invention discloses a kind of Titanium dioxide nanoparticle/multi-layer graphene composite material preparation methods, use nano titania particle for raw material, nano-titanium oxide is added in DMF and water mixed solution, add dilute nitric acid solution, under 80 DEG C of water bath conditions, nano-titanium oxide surface generates organo-functional group, by the effect of multi-layer graphene surface molecular power by nano-titanium oxide uniform deposition to multi-layer graphene surface, uniformly compound Titanium dioxide nanoparticle/multi-layer graphene composite material is finally obtained.Preparation process of the present invention is simple, is suitble to industrialized production.
Description
Technical field
The invention belongs to field of material technology more particularly to a kind of Titanium dioxide nanoparticle/multi-layer graphene composite materials
Preparation method.Material of the present invention has potential application in fields such as photocatalysis, environmental improvement, energy storage.
Background technique
Nano-TiO2Particle may be used as catalyst, energy storage material and pigment etc..But nano-TiO2Particle is small, surface
Product is big, is also easy to produce reunion and causes to fail.Thus, by nano-TiO2It loads on other carriers, TiO can be kept2Dispersion
Property, it improves service life.Graphene is a kind of good carrier, and structure is highly stable, has excellent electronic transport performance, machine
Tool performance and surface chemistry.
Currently, graphene and TiO2Compound main preparation methods are prepared in situ and physical mixed method.Master is prepared in situ
Hydro-thermal method and sol-gal process are used, the metal ion in solution is adsorbed to surface of graphene oxide, passes through heat treatment
Composite material is obtained, but currently used method preparation efficiency is low.And the physical mixed method used is by nano-TiO2With oxidation
Graphene passes through in the solution is simply mixed stirring, the nano-TiO that this method obtains2Particle is not high with graphene dispersion.
And the preparation cost of graphene oxide is higher, and environmental pollution is larger.
In view of the defects existing in the prior art, the present invention proposes a kind of technical solution to solve technology of the existing technology
Problem.
Summary of the invention
For, there are problem, the present invention proposes a kind of Titanium dioxide nanoparticle/multi-layer graphene composite wood in background technique
The preparation method of material, using a kind of simple preparation process, by nano-TiO2Particle is evenly distributed on multi-layer graphene.
To solve technical problem of the existing technology, technical scheme is as follows:
A kind of preparation method of Titanium dioxide nanoparticle/multi-layer graphene composite material, comprising the following steps:
Step S10 measures DMF and deionized water that volume ratio is 8:2, is used as mixed solvent A after mixing；
Step S20, weighs expanded graphite, is added in mixed solvent A, and ultrasound obtains multi-layer graphene dispersion after 3 hours
Liquid C, expanded graphite are 0.5-2mg/mL relative to the concentration of solvent A；
Step S30 prepares the dilute nitric acid solution of 2mol/L, referred to as B solution；
Step S40 weighs nanometer titanium dioxide titanium valve TiO2It is added in C solution, is ultrasonically treated 4 hours, titanium oxide powder
Concentration relative to A solvent is 3-6mg/mL；It measures B solution to be added in C solution, the volume of B solution and the volume ratio of A solvent
For 0.5-1:1；C solution is put into magnetic agitation in 80 DEG C of water-baths to react 5-10 hours, 300 revs/min of revolving speed；
Step S50 carries out eccentric cleaning after C solution is cooling, eccentric cleaning uses 3 deionized waters, and 3 alcohol centrifugations are clear
It washes, centrifuge speed is 6000 revs/min；70 DEG C drying 24 hours in baking oven are placed after washing, and obtain nano titania after dry
Particle/multi-layer graphene composite material.
Scheme as a further improvement, multi-layer graphene is as substrate, nano-TiO2Particle is on multi-layer graphene surface
It is uniformly distributed；Wherein, TiO2Nanoparticle size is at 50 nanometers hereinafter, and TiO2There is gap between particle.
Scheme as a further improvement, in the step S40, nano-titanium oxide is acted in acid condition and nitrate anion
It is lower to generate certain hydrolysis and generate complexing with nitrate anion and DMF, so that the surface TiO2 is generated functional group；With organic
The TiO2 of functional group is adsorbed by multi-layer graphene by molecular force and is deposited on multi-layer graphene surface.
In the above-mentioned technical solutions, since the molecular force on multi-layer graphene surface is uniform, compare nano-titanium oxide distribution
Uniformly.Meanwhile the active force of molecular force is small, can only adsorb a small amount of nano titania particle, and nano-titanium oxide is made to be not easy to produce
Raw accumulation.
Compared with prior art, the invention has the following beneficial effects:
(1) nano-TiO2Particle can obtain by any method, including market purchase, at present nano-TiO2Commercially available price
It is not high.
(2) substrate multi-layer graphene prepare it is simple, it is at low cost, do not need to be activated multi-layer graphene surface
It can depositing Ti O2Nano particle.
(3) due to preparation principle of the invention, obtained nano-TiO2All it is deposited on multi-layer graphene surface, TiO2?
Multi-layer graphene surface is evenly distributed, TiO2Between have certain gap.Specific implementation such as preparation step S40.
(4) the method for the present invention simple process, preparation efficiency is high, is easy to control, is convenient for industrialized production.
Detailed description of the invention
Fig. 1 is equally distributed TiO on the multi-layer graphene of the embodiment of the present invention 12The step of preparation method of particle, flows
Cheng Tu；
Fig. 2 present invention terminates the photo comparison in kind figure after 24 hours stand with nitric acid reaction is not added
Fig. 3 is equally distributed TiO on the multi-layer graphene of the embodiment of the present invention 12The XRD diagram of the preparation method of particle；
Fig. 4 is equally distributed TiO on the multi-layer graphene of the embodiment of the present invention 12The low power of the preparation method of particle is swept
Retouch electron microscope；
Fig. 5 is equally distributed TiO on the multi-layer graphene of the embodiment of the present invention 12The high power of the preparation method of particle is swept
Retouch electron microscope；
Specific embodiment
In order to more preferably illustrate process and scheme of the invention, following invention is carried out in conjunction with the accompanying drawings and embodiments further
Explanation.The specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
In order to solve technical problem of the existing technology, referring to Fig. 1, it show the present invention and proposes a kind of nano-TiO2?
Grain is evenly distributed on the preparation method flow chart of steps on multi-layer graphene, comprising the following steps:
S10 measures DMF and deionized water that volume ratio is 8:2, is used as mixed solvent A after mixing.
S20 weighs expanded graphite, is added in mixed solvent A, and ultrasound obtains multi-layer graphene dispersion liquid C after 3 hours,
Expanded graphite is 0.5-2mg/mL relative to the concentration of solvent A.
S30 prepares the dilute nitric acid solution of 2mol/L, referred to as B solution.
S40 weighs titanium oxide powder and is added in C solution, is ultrasonically treated 4 hours, and titanium oxide powder is dense relative to A solvent
Degree is 3-6mg/mL；It measures B solution to be added in C solution, the volume of B solution and the volume ratio of A solvent are 0.5-1:1；C is molten
Liquid is put into magnetic agitation in 80 DEG C of water-baths and reacts 5-10 hours, 300 revs/min of revolving speed.
S50, carries out eccentric cleaning after C solution is cooling, eccentric cleaning uses 3 deionized waters, 3 alcohol eccentric cleanings,
Centrifuge speed is 6000 revs/min；70 DEG C drying 24 hours in baking oven are placed after washing, and are obtained titanium oxide of the invention after dry and are received
Rice grain/multi-layer graphene composite material.
In the above-mentioned technical solutions, nano-titanium oxide generates certain hydrolysis under acid condition and nitrate anion effect
And complexing is generated with nitrate anion and DMF, so that the surface TiO2 is generated functional group；TiO2 with organo-functional group passes through molecule
Power is adsorbed by multi-layer graphene and is deposited on multi-layer graphene surface.Since the molecular force on multi-layer graphene surface is uniform, make to receive
Rice titanium oxide distribution is relatively uniform.Meanwhile the active force of molecular force is small, can only adsorb a small amount of nano titania particle, makes to receive
Rice titanium oxide is not allowed to be also easy to produce accumulation.
Instantiation 1
8mlDMF and 2ml distilled water is used as mixed solvent A after mixing, and the expanded graphite addition mixing for weighing 20mg is molten
In agent A, sonic oscillation makes expanded graphite removing be that multi-layer graphene is evenly dispersed in a solvent after 3 hours, obtains Multi-layer graphite
Alkene dispersion liquid.The commercially available nanometer titanium dioxide titanium valve of 60mg, a diameter of 40nm are added in multi-layer graphene dispersion liquid.Ultrasound 4 afterwards
A hour adds the dust technology that 10ml concentration is 2mol/L, then the stirring in water bath 10 under 80 DEG C, 300 rpms of revolving speeds
Hour.
The photo in kind that reaction flask is stood 10 hours after cooling is as shown in Figure 2 A, it can be seen that without white TiO2Point
Layer occurs, and illustrates TiO2Multi-layer graphene surface is loaded to.To investigate the effect for claiming nitric acid, the comparison that nitric acid is not added is done
Experiment, the photo in kind after standing are as shown in Figure 2 B, it can be seen that apparent white layering, the white are layered as being initially added
TiO2, illustrate, be added without dust technology, nano-TiO2Multi-layer graphene surface cannot be adsorbed to.
Product after reaction is subjected to 3 deionized waters, the eccentric cleaning of 3 alcohol places in baking oven 70 DEG C after cleaning
After 24 hours dry, dry nano-TiO is obtained2Particle/multi-layer graphene composite powder.
The composite powder being prepared is subjected to XRD test, as a result as shown in Fig. 2, can see multilayer from figure
Graphene and TiO2Diffraction maximum, do not find other object phases, illustrate to prepare in product only have multi-layer graphene and TiO2Two kinds of objects
Phase.
The composite powder being prepared is subjected to SEM observation, Fig. 3 is XRD diagram, and Fig. 4 and Fig. 5 are under different multiples
SEM figure.It can be found that TiO from figure2Particle size it is small, in 40nm or so, be evenly distributed on multi-layer graphene surface.
Instantiation 2
8mlDMF and 2ml distilled water is used as mixed solvent A after mixing, and the expanded graphite addition mixing for weighing 5mg is molten
In agent A, sonic oscillation makes expanded graphite removing be that multi-layer graphene is evenly dispersed in a solvent after 3 hours, obtains Multi-layer graphite
Alkene dispersion liquid.Ultrasonic 4 hours after addition 60mg titanium dioxide powder in multi-layer graphene dispersion liquid, adding 10ml concentration is
The dust technology of 2mol/L, then stirring in water bath 10 hours under 80 DEG C, 300 rpms of revolving speeds.Pass through eccentric cleaning after cooling
Black product is collected, eccentric cleaning uses 3 deionized waters, and 3 alcohol eccentric cleanings place 70 DEG C of dryings in baking oven after cleaning
24 hours, nano-TiO was obtained after dry2Composite material of the particulate load in multi-layer graphene.
Instantiation 3
8mlDMF and 2ml distilled water is used as mixed solvent A after mixing, and the expanded graphite addition mixing for weighing 15mg is molten
In agent A, sonic oscillation makes expanded graphite removing be that multi-layer graphene is evenly dispersed in a solvent after 3 hours, obtains Multi-layer graphite
Alkene dispersion liquid.Ultrasonic 4 hours after addition 30mg titanium dioxide powder in multi-layer graphene dispersion liquid, adding 5ml concentration is
The dust technology of 2mol/L, then stirring in water bath 10 hours under 80 DEG C, 300 rpms of revolving speeds.Pass through eccentric cleaning after cooling
Black product is collected, eccentric cleaning uses 3 deionized waters, and 3 alcohol eccentric cleanings place 70 DEG C of dryings in baking oven after cleaning
24 hours, nano-TiO was obtained after dry2Particulate load is in multi-layer graphene composite material.
Instantiation 4
8mlDMF and 2ml distilled water is used as mixed solvent A after mixing, and the expanded graphite addition mixing for weighing 15mg is molten
In agent A, sonic oscillation makes expanded graphite removing be that multi-layer graphene is evenly dispersed in a solvent after 3 hours, obtains Multi-layer graphite
Alkene dispersion liquid.Ultrasonic 4 hours after addition 45mg titanium dioxide powder in multi-layer graphene dispersion liquid, adding 10ml concentration is
The dust technology of 2mol/L, then stirring in water bath 10 hours under 80 DEG C, 300 rpms of revolving speeds.Pass through eccentric cleaning after cooling
Black product is collected, eccentric cleaning uses 3 deionized waters, and 3 alcohol eccentric cleanings place 70 DEG C of dryings in baking oven after cleaning
24 hours, nano-TiO was obtained after dry2Particulate load is in multi-layer graphene composite material.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. a kind of Titanium dioxide nanoparticle/multi-layer graphene composite material preparation method, which is characterized in that including following step
It is rapid:
Step S10 measures DMF and deionized water that volume ratio is 8:2, is used as mixed solvent A after mixing；
Step S20, weighs expanded graphite, is added in mixed solvent A, and ultrasound obtains multi-layer graphene dispersion liquid C after 3 hours,
Expanded graphite is 0.5-2mg/mL relative to the concentration of solvent A；
Step S30 prepares the dilute nitric acid solution of 2mol/L, referred to as B solution；
Step S40 weighs nanometer titanium dioxide titanium valve TiO2Be added in C solution, be ultrasonically treated 4 hours, titanium oxide powder relative to
The concentration of A solvent is 3-6mg/mL；It measures B solution to be added in C solution, the volume of B solution and the volume ratio of A solvent are 0.5-
1:1；C solution is put into magnetic agitation in 80 DEG C of water-baths to react 5-10 hours, 300 revs/min of revolving speed；
Step S50, carries out eccentric cleaning after C solution is cooling, eccentric cleaning uses 3 deionized waters, 3 alcohol eccentric cleanings,
Centrifuge speed is 6000 revs/min；70 DEG C drying 24 hours in baking oven are placed after washing, and obtain nano titania after dry
Grain/multi-layer graphene composite material.
2. Titanium dioxide nanoparticle according to claim 1/multi-layer graphene composite material preparation method, feature exist
In multi-layer graphene is as substrate, nano-TiO2Particle is uniformly distributed on multi-layer graphene surface；Wherein, TiO2Nano particle ruler
It is very little at 50 nanometers hereinafter, and TiO2There is gap between particle.
3. Titanium dioxide nanoparticle according to claim 1/multi-layer graphene composite material preparation method, feature exist
In in the step S40, nano-titanium oxide generates certain hydrolysis and and nitre under acid condition and nitrate anion effect
Acid group and DMF generate complexing, and the surface TiO2 is made to generate functional group；TiO2 with organo-functional group is more by molecular force
Layer graphene adsorbs and is deposited on multi-layer graphene surface.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792669A (en) * | 2020-06-02 | 2020-10-20 | 杭州电子科技大学 | TiO 22Nano-rod/multilayer graphene composite material and preparation method thereof |
| CN112071507A (en) * | 2020-09-08 | 2020-12-11 | 杭州梵云新材料科技有限公司 | Copper-coated multilayer graphene composite material and preparation method thereof |
| CN114477152A (en) * | 2021-12-30 | 2022-05-13 | 杭州电子科技大学 | Silver nanoparticle/multilayer graphene composite material and preparation method thereof |
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| US20170151516A1 (en) * | 2015-11-30 | 2017-06-01 | Korea Institute Of Energy Research | Method for manufacturing porous graphene filter, porous graphene filter manufactured using same, and filter apparatus using porous graphene filter |
| CN107199029A (en) * | 2017-06-08 | 2017-09-26 | 攀枝花学院 | The preparation method of high efficiency photocatalysis nanometer titanium dioxide/graphene composite |
| CN109216670A (en) * | 2018-08-06 | 2019-01-15 | 杭州电子科技大学 | A kind of nano SnO2Particle/multi-layer graphene composite material and preparation method |
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2019
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| CN102350334A (en) * | 2011-08-08 | 2012-02-15 | 江苏大学 | Graphene/mesoporous titanium dioxide visible light catalyst and preparation method |
| US20170151516A1 (en) * | 2015-11-30 | 2017-06-01 | Korea Institute Of Energy Research | Method for manufacturing porous graphene filter, porous graphene filter manufactured using same, and filter apparatus using porous graphene filter |
| CN107199029A (en) * | 2017-06-08 | 2017-09-26 | 攀枝花学院 | The preparation method of high efficiency photocatalysis nanometer titanium dioxide/graphene composite |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111792669A (en) * | 2020-06-02 | 2020-10-20 | 杭州电子科技大学 | TiO 22Nano-rod/multilayer graphene composite material and preparation method thereof |
| CN111792669B (en) * | 2020-06-02 | 2022-07-12 | 杭州电子科技大学 | TiO 22Nano-rod/multilayer graphene composite material and preparation method thereof |
| CN112071507A (en) * | 2020-09-08 | 2020-12-11 | 杭州梵云新材料科技有限公司 | Copper-coated multilayer graphene composite material and preparation method thereof |
| CN114477152A (en) * | 2021-12-30 | 2022-05-13 | 杭州电子科技大学 | Silver nanoparticle/multilayer graphene composite material and preparation method thereof |
| CN114477152B (en) * | 2021-12-30 | 2023-08-15 | 杭州电子科技大学 | Silver nanoparticle/multilayer graphene composite material and preparation method thereof |
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