CN110433834A - A kind of MXene/TiO of two-dimensional slice material modification2The preparation and application of composite material - Google Patents
A kind of MXene/TiO of two-dimensional slice material modification2The preparation and application of composite material Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 45
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 29
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000012986 modification Methods 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 18
- 230000004048 modification Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 229910019637 Nb2AlC Inorganic materials 0.000 claims description 3
- 229910009818 Ti3AlC2 Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910019762 Nb4C3 Inorganic materials 0.000 abstract 1
- 229910009819 Ti3C2 Inorganic materials 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 description 9
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 239000011941 photocatalyst Substances 0.000 description 8
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 7
- 229940043267 rhodamine b Drugs 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 230000001699 photocatalysis Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229960004756 ethanol Drugs 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
-
- 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—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
Abstract
The invention discloses a kind of MXene/TiO of two-dimensional slice material modification2Preparation method, MXene includes Mo2TiC3、Ti3C2、Ti2C、Nb2C and Nb4C3Deng using MXene as substrate, using in-situ method preparation MXene/TiO2Composite material.Its process is that the good two-dimensional slice material MXene of layer structure is first made, and butyl titanate is added in MXene, hydrofluoric acid and dehydrated alcohol is then added, obtains TiO2Equally distributed MXene/TiO2Composite material.The preparation process that the present invention uses is simple, MXene/TiO obtained2TiO in composite material2It is distributed in MXene sheet surfaces and surrounding, ratio is adjustable, while enhancing the visible absorption of composite material, and composite material forbidden bandwidth is compared with TiO2There is apparent reduction, it is easier to the separation of electron-hole pair.The novel MXene/TiO2Composite material can be used as catalyst material and apply in photoelectrocatalysis field.
Description
Technical field
The present invention relates to a kind of MXene/TiO of two-dimensional slice material modification2The preparation and application of composite material.
Background technique
Environmental pollution and energy shortage are the main problem that the mankind face now.Therefore, the mankind have been devoted to find letter
Single, effective catalyst comes degradable organic pollutant, reduction GHG carbon dioxide, hydrogen production by water decomposition etc..Currently, two-dimentional material
Material such as graphene, MoS2Piece, TiO2Piece, MXene etc. and its composite material are widely studied in terms of improving with Environment control.
Wherein, TiO2As semiconductor material since the features such as its is cheap, preparation method is simple, hypotoxicity is by relatively early
It furthers investigate and is applied to photocatalysis field.But due to TiO2Forbidden bandwidth is larger, is not easy to form electron-hole pair, meanwhile, it inhales
It is compound that time needed for investing the organic pollutant generation chemical action on its surface is typically larger than the electron-hole pair for exciting and generating
The required time causes its catalytic efficiency lower, using by biggish limitation.Therefore, research is concentrated mainly on extension electronics-
Hole that is, by the second component of addition, such as has metallic conductivity using MXene, promotes charge to the compound required time
Separation and storage, the catalytic efficiency of Lai Tigao wide band gap semiconducter.
2011, scientist Gogotsi et al. performed etching the A layer in three-dimensional material MAX using hydrofluoric acid (HF), into
And obtain two-dimensional material MXene.MAX chemical formula is Mn+1AXn, wherein M represent early transition metal element (Sc, Ti, Zr, Hf, V,
Nb, Ta, Cr, Mo etc.), A represents Al, and X represents carbon or nitrogen, n=1,2 or 3.MXene has metallic conductivity, not only compares
Surface area is big, active site is more, good hydrophilic property, and chemical composition is adjustable, band gap is narrow, and has the conduction of good electronics and lay in
Ability.Currently, be rarely reported about MXene modification wide bandgap semiconductor materials, Peng et al. (C. Peng, X.F. Yang,
Y.H. Li, H. Yu, H.J Wang, F. Peng, Hybrids of two-dimensional MXene and TiO2
exposing {001}facets toward enhanced photocatalytic activity, ACS AMI, 8
(2016) 5b11973) pass through MXene institute's titaniferous as titanium source, prepare MXene/TiO2Composite material, sample in 50min
To the degradation efficiency of MO up to 99% under the conditions of ultraviolet.Zhang et al. (H.L. Zhang, M. Li, J.L. Cao, Q.J.
Tang, P. Kang, C.X. Zhu, M.J. Ma, 2D a-Fe2O3 doped MXene MXene composite with
enhanced visible light photocatalytic activity for degradation of Rhodamine
B, Ceram. Int., 44 (2018) 19958-19962) pass through a-Fe2O3It is compound with MXene, under visible light conditions, sample
The efficiency of rhodamine B degradation is up to 98% in product 120min.These MXene doped wide-bandgap semiconductor compounds are dropped in photocatalysis
Solution aspect all has obvious effects on.
Therefore, expanding MXene doped wide-bandgap semiconductor photocatalytic degradation field still has certain potentiality and prospect.
The present invention obtains a kind of simple and easy to get, catalysis material of the separation electron-hole pair with certain potentiality.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of MXene/TiO of two-dimensional slice material modification2Composite wood
Material and preparation method thereof, so that TiO2Compound with MXene, which is remarkably reinforced in the absorption of visible waveband, is conducive to
Electron-hole pair efficiently separates.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of MXene/TiO of two-dimensional slice material modification2The preparation method of composite material, includes the following steps:
(1) prepare MXene: weigh MAX powder be added hydrofluoric acid solution in etch, after the completion of etching with supercentrifuge repeatedly from
Heart cleaning, is dried to obtain MXene powder；
(2) MXene/TiO is prepared2Composite material: measuring butyl titanate and hydrofluoric acid solution sequentially adds in MXene powder,
Anhydrous ethanol solvent is added, ultrasonic mixing uniformly carries out solvent-thermal method reaction afterwards, washs drying after reaction, obtain
MXene/TiO2Composite material.
Further, the MAX powder is Ti3AlC2、Nb2AlC、MoTiAlC3、Ti2AlC or Nb4AlC3One in powder
Kind or several mixtures.
Further, the mass fraction of HF solution is 40~49%, MAX in step (1) and HF mass ratio is 10.75~5:
1。
Further, the temperature of step (1) described etching is 60 DEG C, and the time is for 24 hours.
Further, the mass fraction of HF solution is 40~49% in step (2), hydrofluoric acid solution and butyl titanate body
Product is than being 1:6.25.
Further, MXene/TiO obtained by step (2)2The mass fraction of MXene is 0~60% in composite material.
Further, the solvent-thermal method reaction in the step (2) is that heating is reacted for 24 hours at 80 DEG C.
Further, step (2) hydrofluoric acid, butyl titanate and dehydrated alcohol are 1:6.25:37.5 with volume ratio.
A kind of MXene/TiO of two-dimensional slice material modification2The application method of composite material, which is characterized in that will be two-dimentional
The MXene/TiO of sheet layer material modification2Composite material is used as photochemically reactive catalyst.
The present invention has the advantage that raw material prepared by the present invention is commonly easy to get, low in cost, preparation process is easy, green
Colour circle is protected, and is obviously improved to visible light-responded, has potential application value in environment protection field.In addition, the present invention is to use
The synthesis of two step of solvent-thermal method, is tested easily controllable.
Detailed description of the invention
Fig. 1 is that the SEM of sample schemes；(a) MXene; (b) 20%MXene/TiO2Composite photo-catalyst.
Fig. 2 is 20%MXene/TiO2The EDS mapping of composite photo-catalyst schemes.
Fig. 3 is the XRD diagram of sample.
Fig. 4 is the photocatalytic speed figure of sample: (a) MXene; (b) 20%MXene/TiO2Composite photo-catalyst; (c)
60%MXene/TiO2Composite photo-catalyst; (d) TiO2。
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment 1
The HF solution for measuring 10 mL49% is placed in ptfe autoclave, weighs 1g Ti3AlC2Powder is slowly added to HF
It in solution, is put it into baking oven after being sufficiently stirred, is warming up to 60 DEG C, react 24 h.Gained powder is cleaned with deionized water
It is about 7 to pH, and three times with ethyl alcohol eccentric cleaning, finally by powder, drying for 24 hours, is finally obtained in 60 DEG C of vacuum drying ovens
MXene powder.
It takes a certain amount of MXene and a certain amount of butyl titanate to be placed in ptfe autoclave, is added 0.8
The HF of mL49% adds 30mL ethyl alcohol, pours into reaction kettle after ultrasonic 40min, and hydro-thermal reaction for 24 hours, is made at 80 DEG C
MXene/TiO2Compound is cleaned with acetone, deionized water and dehydrated alcohol repeatedly respectively, is finally putting into 60 DEG C of baking ovens and is done
It is dry.
1 sample formulations table of table
Note: the above unit is mmol
Other steps are constant, add TiO in mix stages2Mass percentage be respectively 0,20%, 60%, 100%, obtain
MXene/TiO2Composite photo-catalyst.Specific formula is as shown in table 1.
Embodiment 2
The HF solution for measuring 10 mL49% is placed in ptfe autoclave, weighs 1g Nb2AlC(MoTiAlC3、Ti2AlC、
Nb4AlC3) powder is slowly added in HF solution, puts it into baking oven after being sufficiently stirred, and is warming up to 60 DEG C, it, will after reacting 24 h
It is about 7 that gained sample, which is cleaned with deionized water to pH, and three times with ethyl alcohol eccentric cleaning, finally by powder in 60 DEG C of vacuum drying ovens
Middle drying for 24 hours, finally obtains MXene powder.
Other steps are constant, and MXene/TiO is made2Composite photo-catalyst.
Embodiment 3
The rhodamine B solution of 20 mg/L is configured, takes 50 mL as reaction solution every time, 20mg powder sample, whole process reaction is added
Liquid is kept stirring.In order to reach absorption-desorption balance, sampled after secretly adsorbing 30 min in darkroom.It is then put under xenon lamp and shines
(visible light section) is penetrated, 5 mL samples is measured at regular intervals and is tested for UV-visible absorbance, obtain the differential responses time
The concentration of rhodamine B afterwards.
To 1 ~ 2 resulting MXene and MXene/TiO of above-described embodiment2Compound uses field emission scanning electron microscope
(FESEM), EDS energy disperse spectroscopy, X-ray diffractometer (XRD), ultraviolet-visible spectrophotometer (UV-vis) are analyzed.Pass through reality
Example 3 is applied, photocatalytic degradation experiment is carried out by target dyestuff of rhodamine B solution, is measured and inhaled by ultraviolet-visible spectrophotometer
Luminosity, to assess its photocatalytic activity.Specific test result is as shown in Fig. 1 ~ 4.
Fig. 1 is MXene and 20% MXene/TiO2The SEM of composite photo-catalyst schemes.It can be seen that from Fig. 1 (a)
MXene is in clearly sheet, layered effect are good.Fig. 1 (b) can be observed the superficial deposit of MXene more uniform TiO2, four
Zhou Buman spherical shape TiO2。
Fig. 2 is 20% MXene/TiO2The EDS mapping of composite photo-catalyst schemes.Sample is analyzed by EDS energy disperse spectroscopy
The constituent content and elemental map of product.From in figure it will be clear that in sample contain Ti, C, O, F element, due to
MXene and TiO2Contain Ti, so material surface has been covered with Ti element.Because MXene is doped portion, and then opposite C is first
Element is less, and F element is the end group of MXene.
Fig. 3 is MXene, TiO2、20% MXene/TiO2、60% MXene/TiO2The XRD diagram of sample.As can be seen that
MXene 9.58 °, 18.30 °, 27.43 °, 35.94 °, 41.74 °, 60.51 ° appearance characteristic peaks respectively correspond (002),
(004), (101), (103), (105), (108), (109) and (110) crystal face.TiO225.14 °, 37.55 °, 47.94 °,
The characteristic peak of 54.83 °, 62.49 ° appearance respectively corresponds (101), (004), (200), (105) and (204) crystal face.Composite Ti O2
Afterwards, 20%MXene/TiO2There is TiO in 25.14 °, 37.55 °, 47.94 °, 54.83 °, 62.49 °2Characteristic peak, compare 60%
MXene/TiO2, with TiO2The reduction of content, TiO2Characteristic peak is more unobvious.
Fig. 4 is MXene, 20%MXene/TiO2、60 %MXene/TiO2And TiO2Light degradation rate diagram.As can be seen that
The rhodamine B degradation under visible light conditions, 20 % MXene/TiO2Degradation effect it is best, the degradation of rhodamine B when 120min
Efficiency is up to 99%.And MXene, 60 %MXene/TiO2、TiO2It is respectively 86.7%, 85.0% and in the degradation rate of same time
72.9%。
From the above characterization it can be concluded that MXene successfully modifies wide band gap semiconducter TiO2, obtained after modification
MXene/TiO2Compound is obviously improved the degradation rate of organic pollutant.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (9)
1. a kind of MXene/TiO of two-dimensional slice material modification2The preparation method of composite material, which is characterized in that including walking as follows
It is rapid:
(1) it prepares MXene: weighing and etched in MAX powder addition hydrofluoric acid solution, MXene is cleaned and dried to obtain after the completion of etching
Powder；
(2) MXene/TiO is prepared2Composite material: measuring butyl titanate and hydrofluoric acid solution sequentially adds in MXene powder, then
Anhydrous ethanol solvent is added, ultrasonic mixing uniformly carries out solvent-thermal method reaction afterwards, washs drying after reaction, obtain MXene/
TiO2Composite material.
2. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
It is characterized in that, the MAX powder is Ti3AlC2、Nb2AlC、MoTiAlC3、Ti2AlC or Nb4AlC3One or more of powder
Mixture.
3. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
Be characterized in that: the mass fraction of HF solution is 40~49%, MAX in step (1) and HF mass ratio is 10.75~5:1.
4. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
Be characterized in that: the temperature of step (1) described etching is 60 DEG C, and the time is for 24 hours.
5. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
Be characterized in that: the mass fraction of HF solution is 40~49% in step (2), and hydrofluoric acid solution and butyl titanate volume ratio are 1:
6.25。
6. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
It is characterized in that: MXene/TiO obtained by step (2)2The mass fraction of MXene is 0~60% in composite material.
7. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
Be characterized in that: the solvent-thermal method reaction in the step (2) is that heating is reacted for 24 hours at 80 DEG C.
8. a kind of MXene/TiO of two-dimensional slice material modification according to claim 12The preparation method of composite material,
Be characterized in that: the volume ratio of step (2) hydrofluoric acid, butyl titanate and dehydrated alcohol is 1:6.25:37.5.
9. a kind of MXene/TiO of two-dimensional slice material modification2The application method of composite material, which is characterized in that by two-dimensional slice
The MXene/TiO of material modification2Composite material is used as photochemically reactive catalyst.
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| CN110918108A (en) * | 2019-12-02 | 2020-03-27 | 镇江市高等专科学校 | MXene composite nano material and preparation method and application thereof |
| CN111545230A (en) * | 2020-04-23 | 2020-08-18 | 厦门理工学院 | Preparation method, product and application of nano titanium dioxide/MXene composite membrane |
| CN111715251A (en) * | 2020-07-08 | 2020-09-29 | 信阳师范学院 | Exposing active {001} crystal plane TiO2Preparation method and application of TiC MXene composite photocatalyst |
| CN112121855A (en) * | 2020-10-10 | 2020-12-25 | 何刚刚 | Preparation method of photocatalytic thiourea modified two-dimensional MXene material |
| CN112142472A (en) * | 2020-09-25 | 2020-12-29 | 河海大学 | Cr (chromium)2AlC/MXene composite material and preparation method thereof |
| CN112933958A (en) * | 2021-02-10 | 2021-06-11 | 广西大学 | Method for photocatalytic carbon dioxide reduction |
| CN113198501A (en) * | 2021-04-26 | 2021-08-03 | 福建工程学院 | Novel TiO (titanium dioxide)2Preparation method of/MXene composite material |
| CN113413902A (en) * | 2021-06-23 | 2021-09-21 | 福建工程学院 | Novel MXene/TiO2/g-C3N4Method for preparing composite material |
| CN113559835A (en) * | 2021-08-23 | 2021-10-29 | 哈尔滨理工大学 | Ti with microporous structure3C2/TiO2Photocatalytic material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243387A (en) * | 2012-02-01 | 2013-08-14 | 国家纳米科学中心 | Preparation method of anatase TiO2 monocrystal having high-activity (110) face |
| CN104492409A (en) * | 2014-11-20 | 2015-04-08 | 华中科技大学 | Preparation method for TiO2 crystal/graphene nanocomposite |
| CN104495918A (en) * | 2014-12-23 | 2015-04-08 | 陕西科技大学 | Method for preparing granular titanium dioxide/two-dimensional nano-titanium carbide composite material |
-
2019
- 2019-08-30 CN CN201910818395.9A patent/CN110433834A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243387A (en) * | 2012-02-01 | 2013-08-14 | 国家纳米科学中心 | Preparation method of anatase TiO2 monocrystal having high-activity (110) face |
| CN104492409A (en) * | 2014-11-20 | 2015-04-08 | 华中科技大学 | Preparation method for TiO2 crystal/graphene nanocomposite |
| CN104495918A (en) * | 2014-12-23 | 2015-04-08 | 陕西科技大学 | Method for preparing granular titanium dioxide/two-dimensional nano-titanium carbide composite material |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918108A (en) * | 2019-12-02 | 2020-03-27 | 镇江市高等专科学校 | MXene composite nano material and preparation method and application thereof |
| CN111545230A (en) * | 2020-04-23 | 2020-08-18 | 厦门理工学院 | Preparation method, product and application of nano titanium dioxide/MXene composite membrane |
| CN111715251A (en) * | 2020-07-08 | 2020-09-29 | 信阳师范学院 | Exposing active {001} crystal plane TiO2Preparation method and application of TiC MXene composite photocatalyst |
| CN112142472A (en) * | 2020-09-25 | 2020-12-29 | 河海大学 | Cr (chromium)2AlC/MXene composite material and preparation method thereof |
| CN112142472B (en) * | 2020-09-25 | 2021-10-15 | 河海大学 | Cr (chromium)2AlC/MXene composite material and preparation method thereof |
| CN112121855A (en) * | 2020-10-10 | 2020-12-25 | 何刚刚 | Preparation method of photocatalytic thiourea modified two-dimensional MXene material |
| CN112933958A (en) * | 2021-02-10 | 2021-06-11 | 广西大学 | Method for photocatalytic carbon dioxide reduction |
| CN113198501A (en) * | 2021-04-26 | 2021-08-03 | 福建工程学院 | Novel TiO (titanium dioxide)2Preparation method of/MXene composite material |
| CN113413902A (en) * | 2021-06-23 | 2021-09-21 | 福建工程学院 | Novel MXene/TiO2/g-C3N4Method for preparing composite material |
| CN113559835A (en) * | 2021-08-23 | 2021-10-29 | 哈尔滨理工大学 | Ti with microporous structure3C2/TiO2Photocatalytic material and preparation method thereof |
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