CN110302811A - A kind of bismuthyl chloride flaky material and preparation method and application with rayed split - Google Patents
A kind of bismuthyl chloride flaky material and preparation method and application with rayed split Download PDFInfo
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- CN110302811A CN110302811A CN201910715775.XA CN201910715775A CN110302811A CN 110302811 A CN110302811 A CN 110302811A CN 201910715775 A CN201910715775 A CN 201910715775A CN 110302811 A CN110302811 A CN 110302811A
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- bismuthyl chloride
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title claims abstract description 66
- 239000000463 material Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 33
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 claims description 31
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 29
- 230000007797 corrosion Effects 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Natural products CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- JHXKRIRFYBPWGE-UHFFFAOYSA-K bismuth chloride Chemical compound Cl[Bi](Cl)Cl JHXKRIRFYBPWGE-UHFFFAOYSA-K 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 125000005909 ethyl alcohol group Chemical group 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 3
- 238000004108 freeze drying Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 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 10
- 229940043267 rhodamine b Drugs 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000001699 photocatalysis Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003631 wet chemical etching Methods 0.000 description 3
- 229910021607 Silver chloride Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 methyl orange Drugs 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 229920000557 Nafion® Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- NJTGANWAUPEOAX-UHFFFAOYSA-N molport-023-220-454 Chemical compound OCC(O)CO.OCC(O)CO NJTGANWAUPEOAX-UHFFFAOYSA-N 0.000 description 1
- 239000002057 nanoflower Substances 0.000 description 1
- -1 nanometer Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- CJJMLLCUQDSZIZ-UHFFFAOYSA-N oxobismuth Chemical compound [Bi]=O CJJMLLCUQDSZIZ-UHFFFAOYSA-N 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007704 wet chemistry method Methods 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
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
- B01J27/06—Halogens; Compounds thereof
-
- B01J35/33—
-
- B01J35/39—
Abstract
The present invention proposes that a kind of surface has the preparation method of the bismuthyl chloride flaky material of rayed split, belongs to field of inorganic nano material.The preparation method is as follows: under open system, the bismuthyl chloride flaky material prepared is distributed in water or organic solvent, it is stirred in 25 DEG C -200 DEG C of oil bath, natural cooling after reaction, it is centrifuged, washing and freeze-drying, obtain the bismuthyl chloride flaky material with rayed split, and crackle is more uniform.Operation of the present invention is simple, at low cost, reproducible, is suitble to industrial production, and in terms of light (electricity) catalysis, shows excellent catalytic activity.
Description
Technical field
The invention belongs to field of inorganic nano material more particularly to a kind of bismuthyl chloride sheet materials with rayed split
Material and preparation method and application of the material in terms of photoelectrocatalysis.
Background technique
Bismuthyl chloride (BiOCl) is that a kind of top grade is environmentally friendly, nontoxic, inexpensive, is easy the material of preparation and stable structure,
It can be widely applied to the fields such as cosmetics and photoelectric.Because bismuthyl chloride has the martensite layer structure in four directions,
It is characterized in that [Bi2O2] 2+Layer accompanies bis- [Cl2]2-Layer, leads to the generation of internal electric field (IEF), can promote photo-excited electron-
The separation in hole pair, to have excellent photocatalytic activity in degradation of contaminant field.Therefore, bismuthyl chloride material is ground
The favor for the person of studying carefully.
The pattern of bismuthyl chloride is varied, such as nano flower, nanometer, nanotube and nanometer sheet etc..In bismuthyl chloride
In all forms, the BiOCl structure of sheet is easier to synthesize, because BiOCl has special layered crystal structure.To being at present
Only, the size of the BiOCl structure of sheet and thickness can regulate and control by various methods, and BiOCl crystal obtained shows
Excellent catalytic activity out.
Zhang Hongjie et al. has synthesized the three-layer laminated structure being made of multiple two-dimentional (2D) nanometer sheets, obtained specific surface area
Three-dimensional layered structures larger and with more photocatalytic activity sites, effectively promote the photocatalysis point of methyl orange (MO)
Solution.The temperature of Wu Sujuan et al. regulation reaction is to obtain with regard to different sizes and { 001 } the face exposure different BiOCl of ratio
Nanometer sheet, and find compared with nanometer sheet in other articles have the BiOCl nanometer sheet of more { 001 } face exposure ratios can
Making the photocatalytic degradation efficiency of rhodamine B (RhB) reduces.Zhang Lizhi et al. obtains having difference by adjusting the pH reacted
{ 001 } the BiOCl nanometer sheet of face exposure ratio, the BiOCl nanometer sheet for being found to have exposure ratio in { 001 } face appropriate can increase
The light degradation of strong rhodamine B.Other than the thickness of regulation BiOCl piece and size, the defect of schistose surface in principle can also be right
Final catalytic performance has an impact.However, in the prior art, there are no the report of the configuration of surface about control BiOCl sheet material,
It may be since this labyrinth is difficult to be utilized.
Therefore, in order to further increase the photoelectric catalytically active of bismuthyl chloride, we are made using the method for wet-chemical etching
Corrode on the surface of bismuthyl chloride and radial crackle, this method mainly utilizes air on the surface of bismuthyl chloride piece
Corroded, and rayed split can be further improved the photoelectric catalytically active of bismuthyl chloride, therefore in catalytic field, chlorine
Change the available extensive use of material of oxygen bismuth.
Summary of the invention
Technical problem solved by the invention is: the bismuthyl chloride sheet with rayed split that the present invention provides a kind of
Catalysis material, and it has been put forward for the first time the bismuthyl chloride flaky material that there is rayed split using the synthesis of wet-chemical etching technology
Method.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that: providing corrosion on a kind of surface has spoke
Penetrate the bismuthyl chloride flaky material of the crackle of shape.
The preparation method of the bismuthyl chloride flaky material with radial crackle, its step are as follows:
I keeps capping system, the BiOCl flaky material before preparation corrosion；
Under II open system, the bismuthyl chloride flaky material that the Ith step prepares is distributed in water or organic solvent, 25 DEG C-
It is stirred in 200 DEG C of oil bath, it is cooling after reaction 1 minute to 200 hours, to being freeze-dried after product purification.
Preferably, the step I keeps capping system, the specific steps of the BiOCl flaky material before preparation corrosion
Are as follows: keep capping system, bismuth chloride and polyvinylpyrrolidone are dissolved in ethylene glycol, use HCl adjust pH value for
3, finally by 165 DEG C of oil baths of mixture, stirring 17 hours or more, white precipitate is generated, after being cooled to room temperature, by product acetone
The BiOCl flaky material before being corroded three times is washed with the mixture of water.In the step II, the organic solvent is second
Alcohol, ethylene glycol, acetone and glycerine.The product purification mode washs three times product using the mixture of acetone and water.
Above-mentioned second of preparation method for stating the bismuthyl chloride flaky material with radial crackle, the steps include: to protect
Open reaction system is held, the bismuthyl chloride flaky material that bismuth chloride and polyvinylpyrrolidone dissolution prepare is distributed in second
In glycol, HCl is used to adjust pH value to be acid or neutral, mixture is finally subjected to 105-195 DEG C of oil bath, stirring 17 hours with
On, white precipitate is generated, after being cooled to room temperature, the mixture of product acetone and water is washed, obtains that there is radial split
The bismuthyl chloride flaky material of line.
Bismuthyl chloride flaky material of the present invention with radial crackle can obtain extensively in terms of photoelectrocatalysis
Using.
The beneficial effects of the present invention are: compared with prior art, a kind of bismuthyl chloride with rayed split is provided, it can
To further increase the photoelectric catalytically active of bismuthyl chloride, allow to be widely applied in catalytic field.Also, have radial
The flaky material of the bismuthyl chloride of crackle can be applied to semiconductor photoelectrocatalysielectrode field, relative to uncorroded bismuthyl chloride piece
Shape material increases.
In addition, making to corrode radial crackle, this side on the surface of bismuthyl chloride using wet-chemical etching technology
Method is mainly corroded using the surface of wet-chemical process bismuthyl chloride piece that air participates in, yield is relatively high, up to 96% with
On.This method preparation condition is simple, simple and easy to get, and repeatability is high.In addition, the sheet of the bismuthyl chloride with rayed split
Material can be applied to semiconductor photoelectrocatalysielectrode field, and in terms of light (electricity) catalysis, relative to uncorroded bismuthyl chloride
What flaky material increased.
Detailed description of the invention
Fig. 1 is morphology characterization of the different shape BiOCl flaky material under field emission scanning electron microscope；(a) it closes
BiOCl flaky material before the lower corrosion prepared of system reaction；(b) before the corrosion prepared under open system reaction condition
BiOCl flaky material；The bismuthyl chloride with rayed split after the corrosion prepared under (c, d) open system reaction condition；
Fig. 2 is the XRD diagram of three kinds of different bismuthyl chloride flaky materials；
The i-t curve of the bismuthyl chloride of Fig. 3 (a) corrosion front and back, (b) degradation figure of the bismuthyl chloride of corrosion front and back to rhodamine B.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
Embodiment 1 has the BiOCl flaky material preparation method of rayed split
Step 1: capping system is kept, by 9.7 g bismuth chloride (BiCl3) and 7.7 g polyvinylpyrrolidones (PVP) it is molten
Then HCl is added in said mixture to adjust pH value acidity to neutrality, most preferably in 7 mL ethylene glycol (EG) for solution
For pH=3, mixture is finally subjected to 105-195 DEG C of oil bath, kept for 17 hours under the conditions of magnetic agitation or more, generate white
Precipitating.Finally, the mixture of product acetone and water is washed three times, before being corroded after cooled to room temperature
BiOCl flaky material.2 μ L bismuthyl chloride solution are dripped on clean silicon wafer, naturally dry, then uses JEOL
JSM-7600F field emission scanning electron microscope (FE-SEM) characterizes the shape of BiOCl flaky material under the acceleration voltage of 3 kV
Looks, it can be found that bismuthyl chloride material has square pattern, especially four angles are all very sharp, as a result as shown in Fig. 1 (a).
Step 2: being the bismuthyl chloride flaky material that the 4 mg first steps prepare by quality in the case where open system
The organic solvent for being distributed to the similar properties that mix such as water or ethyl alcohol, ethylene glycol, acetone and the glycerine (glycerol) of 2 ml volumes is molten
In liquid, it is stirred, the reaction time is between 1 minute to 200 hours by preferred ethylene glycol in 25 DEG C -200 DEG C of oil bath
Corrodible, (note: the length of etching time depends on the concentration of bismuthyl chloride and the temperature corrosion of corrosion, eventually corrodes into
Graininess), then natural cooling is frozen overnight drying after washing three times to the mixture of product acetone and water, by same
FE-SEM characterization technique, can prove to obtain the BiOCl flaky material with clearly rayed split, the front surface of etching
The more uniform and thinner rayed split of the appearance of smooth bismuthyl chloride material, is 3 points of corrosion as shown in Fig. 1 (c, d)
The pattern of BiOCl when clock.
In addition, closed system is changed to open in the BiOCl flaky material preparation method first step of above-mentioned rayed split
System can directly obtain the bismuthyl chloride flake nano material of rayed split, pass through above-mentioned Flied emission scanning electron
Microscope carries out morphology characterization, and the quadrangle of the bismuthyl chloride obtained in open system is more rounded, and does not have closed system
Obtained bismuthyl chloride quadrangle is so sharp, as shown in Fig. 1 (b), and the bismuthyl chloride piece with fillet is corroded
Available identical rayed split；
Embodiment 2 has the performance measurement of the BiOCl flaky material of rayed split
The bismuthyl chloride flaky material prepared in embodiment 1 and the BiOCl flaky material with rayed split are carried out respectively
Three kinds of powder are carried out X-ray diffraction (XRD) characterization, find each bismuthyl chloride by the powder that white is obtained after freeze-drying
Flaky material is corresponding with bismuthyl chloride PDF card (JCPDS NO. 06-0249) and does not have miscellaneous peak, therefore, corrodes front and back
Bismuthyl chloride structure there is no variation and purity it is very high.As shown in Figure 2.(note: X-ray diffraction (XRD) is characterized in SmartLab
(Rigaku) using Cu Ka1(k=0.154178nm) as light source with 4min on-1Sweep speed obtain, to confirm crystal
Phase structure and purity.)
Application of the BiOCl flaky material of the corrosion of embodiment 3 front and back in terms of light (electricity) catalysis
Photoelectrocatalysis test: the exemplary steps for preparing optoelectronic pole are as follows: by the BiOCl piece of the above-mentioned preparation of certain mass (2 mg)
Shape material is dispersed in (100 microlitres) ethyl alcohol of certain volume, and the 5%Nafion solution of certain volume (12 microlitres) is added
Enter in above-mentioned solution.Then the mixed solution prepared (20 microlitres) is coated uniformly on ITO electrode (cm of d=1) simultaneously certainly
It is so dry.Photoelectric current is measured on the Chenhua CHI 660E electrochemical workstation with standard three electrode system, uses Pt
Electrode is used as to electrode, Ag/AgCl(3.5 M) electrode is as reference electrode, and ITO electrode is as working electrode. Na2SO4
(0.5 M) and KBrO3(0.1 mmol) is used as electrolyte electrolyte.Under the irradiation of 300 W xenon lamps, in 0V(relative to 3 M Ag
/ AgCl) under measure i-t curve.
Photocatalysis test: by the BiOCl flaky material of the above-mentioned preparation of 5 mg and 10 mL 20mg/L RhB aqueous solutions
(20mgL-1) mixing, then which is stirred to 30 minutes in the dark with absorption-solution before being irradiated
Analysis balance.Then, under magnetic stirring with solar simulator (PLS-SXE300, PerfectLight) irradiation suspension mixing
Object.Every 5 or 10 minutes, a small amount of suspension was taken out before spectral measurement and is centrifuged.Take within every 5 or 10 minutes a certain amount of RhB mixed
Close solution.The fluorescence of sample is excited with 532 nm laser (LCX-532S, Oxxius), and with equipped with cooling charge-coupled device
(CCD) spectrometer (iHR 550, the Horiba) measurement of camera (Syncerity, JHY).With 532 nm(LCX-532S,
Oxxius) the spectrum of luminescence generated by light (PL) the spectrophotometric analysis solution excited.For RhB, the degradation of RhB is calculated with equation
Degree.Absorbance is recorded at 575 nm.
As shown in Fig. 3 (a), the photocurrent curve of the bismuthyl chloride of corrosion front and back is analyzed, which has
Photocurrent response, and the electric current for corroding bismuthyl chloride of the rear surface with rayed split is relatively high, increases octuple left and right
Photoelectric current, therefore, after corrosion have rayed split the photoelectrocatalysis efficiency of bismuthyl chloride is significantly improved.
As shown in Figure 3 (b), the photocatalysis data of the bismuthyl chloride of corrosion front and back are analyzed, uncorroded bismuthyl chloride is received
Rice piece is 72% to the degradation rate of rhodamine B, and corrodes bismuthyl chloride of the rear surface with rayed split to the drop of rhodamine B
Solution rate is 92%, is obviously mentioned it can be found that the photocatalysis efficiency of bismuthyl chloride flaky material of the surface with rayed split has
It is high.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of bismuthyl chloride flaky material, which is characterized in that there is radial corrosion on the bismuthyl chloride flaky material surface
Crackle.
2. a kind of preparation method for preparing the bismuthyl chloride flaky material described in claim 1 with radial crackle, step
It is rapid as follows:
I keeps capping system, the BiOCl flaky material before preparation corrosion；
Under II open system, the bismuthyl chloride flaky material that the Ith step prepares is distributed in water or organic solvent, 25 DEG C-
It is stirred in 200 DEG C of oil bath, cooling after reaction 1 minute to 200 hours, the length of etching time depends on bismuthyl chloride
Concentration and the corrosion of the temperature of corrosion, eventually corrode into graininess to being freeze-dried after product purification.
3. a kind of preparation method for preparing the bismuthyl chloride flaky material described in claim 1 with radial crackle, step
Suddenly are as follows: keep open reaction system, bismuth chloride and polyvinylpyrrolidone are dissolved in ethylene glycol, pH value is adjusted using HCl
To be acid or neutral, mixture is finally subjected to 105-195 DEG C of oil bath, stirring 17 hours or more, white precipitate is generated, is cooled to
After room temperature, the mixture of product acetone and water is washed, obtains the bismuthyl chloride flaky material with radial crackle.
4. a kind of preparation method for preparing the bismuthyl chloride flaky material described in claim 2 with radial crackle, special
Sign is that the step I keeps capping system, the specific steps of the BiOCl flaky material before preparation etching are as follows: keep envelope
Close reaction system, bismuth chloride and polyvinylpyrrolidone be dissolved in ethylene glycol, use HCl adjust pH value be 3, finally general
165 DEG C of oil baths of mixture, stirring 17 hours or more generate white precipitate, after being cooled to room temperature, by the mixed of product acetone and water
It closes object and washs the BiOCl flaky material before being etched.
5. a kind of preparation method for preparing the bismuthyl chloride flaky material described in claim 2 with radial crackle, special
Sign is, in the step II, the organic solvent is ethyl alcohol, ethylene glycol, acetone and glycerine.
6. a kind of preparation method for preparing the bismuthyl chloride flaky material described in claim 2 with radial crackle, special
Sign is, in the step II, the product purification mode washs three times product using the mixture of acetone and water.
7. the bismuthyl chloride flaky material described in claim 1 with radial crackle is in the application in terms of photoelectrocatalysis.
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| CN201910715775.XA CN110302811B (en) | 2019-08-05 | 2019-08-05 | Bismuth oxychloride sheet material with radial cracks and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069876A (en) * | 2014-06-24 | 2014-10-01 | 华中师范大学 | Ag-BiOCl compound photocatalyst prepared by depositing nanometer silver on [001] crystal face of BiOCl nanometer sheet and method |
| US20150196788A1 (en) * | 2014-01-14 | 2015-07-16 | King Fahd University Of Petroleum And Minerals | 450 nm visible light-induced photosensitized degradation of rhodamine b molecules over biobr in aqueous solution |
| CN108502926A (en) * | 2018-05-15 | 2018-09-07 | 安徽师范大学 | BiOCl nano-rings and its synthetic method |
| CN108579770A (en) * | 2018-05-15 | 2018-09-28 | 安徽师范大学 | A method of carrying out degradation of contaminant using BiOCl nano-rings |
| CN109759095A (en) * | 2019-01-21 | 2019-05-17 | 陕西科技大学 | A kind of BiOBr hollow fibre, preparation method and its application as photochemical catalyst in light degradation dyestuff |
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| CN108579770A (en) * | 2018-05-15 | 2018-09-28 | 安徽师范大学 | A method of carrying out degradation of contaminant using BiOCl nano-rings |
| CN109759095A (en) * | 2019-01-21 | 2019-05-17 | 陕西科技大学 | A kind of BiOBr hollow fibre, preparation method and its application as photochemical catalyst in light degradation dyestuff |
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