CN106984351A - A kind of preparation method of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst - Google Patents
A kind of preparation method of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst Download PDFInfo
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- CN106984351A CN106984351A CN201710212161.0A CN201710212161A CN106984351A CN 106984351 A CN106984351 A CN 106984351A CN 201710212161 A CN201710212161 A CN 201710212161A CN 106984351 A CN106984351 A CN 106984351A
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- bismoclite
- cadmium
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- silver carbonate
- visible light
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- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 40
- ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910001958 silver carbonate Inorganic materials 0.000 title claims abstract description 38
- LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 title claims abstract description 38
- 239000003054 catalyst Substances 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims abstract description 18
- 239000011941 photocatalyst Substances 0.000 claims abstract description 13
- 238000013019 agitation Methods 0.000 claims description 28
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 14
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 239000012153 distilled water Substances 0.000 claims description 8
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 7
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000001103 potassium chloride Substances 0.000 claims description 6
- 235000011164 potassium chloride Nutrition 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical compound [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229940116367 cadmium sulfide Drugs 0.000 description 9
- 230000001699 photocatalysis Effects 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 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 6
- 229940043267 rhodamine b Drugs 0.000 description 6
- 238000007146 photocatalysis Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- NLTSCOZQKALPGZ-UHFFFAOYSA-N acetic acid;dihydrate Chemical compound O.O.CC(O)=O NLTSCOZQKALPGZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- WGKMWBIFNQLOKM-UHFFFAOYSA-N [O].[Cl] Chemical compound [O].[Cl] WGKMWBIFNQLOKM-UHFFFAOYSA-N 0.000 description 1
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000004408 titanium dioxide 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
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
- B01J27/232—Carbonates
-
- B01J35/39—
Abstract
The present invention relates to a kind of preparation method of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst, preparation including bismoclite, the preparation of bismoclite@cadmium sulfide composite photo-catalysts and the preparation of bismoclite@cadmium sulfides/silver carbonate composite photo-catalyst, the beneficial effects of the invention are as follows：The preparation method is simple, it is easy to operate, and preparation condition is easily controlled, and prepared bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst is green non-pollution high performance catalyst, and high catalytic efficiency, with certain application prospect.
Description
Technical field
The invention belongs to photocatalysis technology field, it is related to a kind of bismoclite@cadmium sulfides/silver carbonate composite visible light catalysis
The preparation method of agent.
Background technology
Silver carbonate photochemical catalyst is a kind of photochemical catalyst for the new high visible response type developed at present, its band gap
For 2.30eV, its valence band current potential is 2.673eV, and conduction band current potential is 0.373eV, because its band gap is narrower, thus can be absorbed visible
Light, and its valence band current potential has very strong oxidability, thus be more satisfactory visible light catalyst.Because silver-based light is urged
Agent generally existing photochemical corrosion to cause its less stable.At present, silver carbonate photochemical catalyst also not exclusively has
High stability, high selectivity and high catalytic efficiency that the catalyst industrially required has like that, can't temporarily put into work
Used in industry.Mainly studied at present or with being modified in terms of following two：One is to construct shape by semiconductor coupling
The energy gap of semiconductor is reduced into hetero-junctions, increases its influence to absorbing properties；Two be nonmetal doping and then suppression
The light induced electron and photohole of silver carbonate semiconductor are made to being combined, so as to effectively promote the photocatalysis of photochemical catalyst
The progress of reaction.
Bismoclite belongs to indirect bandgap material, is V-VI-VII race's semiconducting compound, is hair recent years
The novel photocatalyst of exhibition, the energy gap of bismoclite is about 3.4eV, and certain light is shown under the conditions of ultraviolet excitation
Catalytic performance.As photochemical catalyst titanium dioxide, bismoclite only has response to ultraviolet region, low to sun light utilization efficiency.
In order to efficiently solve this problem, generally using the method for semiconductors coupling, also referred to as hetero-junctions.By bismoclite and band gap
Suitable semiconductor is combined, and potential barrier is formed on interface, is conducive to the migration of photo-generated carrier, its photoresponse model is widened
Enclose, so as to improve utilization rate of the semiconductor to sunshine.
The band gap width (2.42eV) of cadmium sulfide is smaller, and can absorbing wavelength be less than 520nm ultraviolet light and visible ray,
In addition, CdS is also with relatively negative conduction band bandedge placement, therefore think that CdS is that one kind has certain answer in terms of visible light photocatalysis
With the semiconductor light-catalyst of potentiality, but photo-quantum efficiency is relatively low and visible ray under photoetch but hinder the wide of CdS
General application.CdS quantum dot is loaded on the carrier with large specific surface area, can effectively improve CdS photocatalytic activity,
Stability and dispersiveness.
This patent mainly prepares bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst using in situ Precipitation, this
Plant catalyst to can be applied in photocatalysis oxidation technique, can effectively remove the organic pollution in environment.
The content of the invention
The technical problem to be solved in the present invention is：Based on above mentioned problem, a kind of bismoclite@cadmium sulfides of offer of the invention/
The preparation method of silver carbonate composite visible light catalyst.
The present invention solves a technical scheme being used of its technical problem：A kind of bismoclite@cadmium sulfides/silver carbonate
The preparation method of composite visible light catalyst, comprises the following steps：
(1) preparation of bismoclite：Bismuth nitrate solution and Klorvess Liquid mixing, 1~2h of ultrasonic agitation, mixed solution turn
Into hydrothermal reaction kettle, 150~180 DEG C of 10~14h of reaction, cooling, suction filtration is washed, drying；
(2) preparation of bismoclite@cadmium sulfides composite photo-catalyst：Add bismoclite in distilled water, ultrasonic agitation 1~
3h, adds cadmium acetate, and 1~2h of ultrasonic agitation adds thioacetamide, and ultrasonic agitation 30min~1h adds polyvinylpyrrolidine
Ketone, ultrasonic agitation 30min~1h, mixed solution is gone in hydrothermal reaction kettle, 100 DEG C of reaction 12h, is cooled down, second is successively used in centrifugation
Alcohol and water is washed, drying；
(3) preparation of bismoclite@cadmium sulfides/silver carbonate composite photo-catalyst：Bismoclite@vulcanizations are added in distilled water
Cadmium, 1~2h of ultrasonic agitation adds silver nitrate, and ultrasonic agitation 30min~1h adds sodium acid carbonate, and ultrasonic agitation 24h is centrifuged,
Washing, drying.
Further, the mass ratio of potassium chloride and bismuth nitrate is 1 in step (1)：3~5, bismuth nitrate solution and potassium chloride are molten
The solvent of liquid is ethylene glycol.
Further, the mass ratio of bismoclite and cadmium sulfide is 1 in step (2)：2~3, cadmium sulfide and cadmium acetate and sulphur
Mol ratio for acetamide is 1：1：1, the mass ratio of thioacetamide and polyvinylpyrrolidone is 1：1.324.
Further, the mass ratio of bismoclite@cadmium sulfides and silver carbonate is 0.03~0.07 in step (3)：1, carbonic acid
The mol ratio of silver and silver nitrate and sodium acid carbonate is 1：2：1.
The beneficial effects of the invention are as follows：The preparation method is simple, it is easy to operate, and preparation condition is easily controlled, prepared
Bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst be green non-pollution high performance catalyst, and catalytic efficiency
Height, with certain application prospect.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the X for bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst that the embodiment of the present invention 1 is prepared
X ray diffration pattern x；
Fig. 2 is the 3 of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst that the embodiment of the present invention 1 is prepared
The scanning electron microscope (SEM) photograph of 11000 times of amplifications；
Fig. 3 is bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst that the embodiment of the present invention 1 is prepared
Transmission electron microscope picture；
Fig. 4 is bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst light that the embodiment of the present invention 1 is prepared
The ultraviolet-visible absorption spectroscopy of rhodamine B degradation is with light application time variation diagram.
Embodiment
Presently in connection with specific embodiment, the invention will be further described, following examples be intended to illustrate invention rather than
Limitation of the invention further.
Embodiment 1
(1) preparation of bismoclite：The ethylene glycol for measuring 20mL adds 1.1184g bismuth nitrate, then measures 20mL second
Glycol adds 0.3728g potassium chloride, stirs 1h after above two solution is mixed, the solution in reaction vessel is gone into water
In thermal response kettle, 150 DEG C of reaction 10h, cooling, filtering and washing drying.
(2) preparation of bismoclite@cadmium sulfides composite photo-catalyst：0.1g bismoclites add 70ml distilled water, ultrasound
1h is stirred, 0.3686g acetic acid dihydrate cadmiums are added, ultrasonic agitation 1h adds 0.1039g thioacetamides, ultrasonic agitation
30min, adds 0.1376g polyvinylpyrrolidones, and ultrasonic agitation 30min, mixed solution is gone in hydrothermal reaction kettle, 100 DEG C
12h is reacted, is cooled down, centrifugation, successively with ethanol and water washing, drying product.
(3) preparation of bismoclite@cadmium sulfides/silver carbonate composite photo-catalyst：21mg bismoclite@cadmium sulfides are added
50ml distilled water, ultrasonic agitation 1h adds 0.85g silver nitrates, and 50ml sodium acid carbonates are added dropwise in ultrasonic agitation 30min
(0.21g), ultrasonic agitation 24h is centrifuged, and is washed, drying.
Embodiment 2
(1) preparation of bismoclite：The ethylene glycol for measuring 70mL adds 6.9520g bismuth nitrate, then measures 70mL second
Glycol adds 1.3904g potassium chloride, stirs 2h after above two solution is mixed, the solution in reaction vessel is gone into water
In thermal response kettle, 180 DEG C of reaction 14h, cooling, filtering and washing drying.
(2) preparation of bismoclite@cadmium sulfides composite photo-catalyst：0.1g bismoclites add distilled water 70ml, ultrasound
Stirring 3h, addition 0.5530g acetic acid dihydrate cadmiums, ultrasonic agitation 2h, addition 0.1559g thioacetamides, ultrasonic agitation 1h, plus
Enter 0.2064g polyvinylpyrrolidones, ultrasonic agitation 1h, mixed solution is gone in hydrothermal reaction kettle, 100 DEG C are reacted 12h, cold
But, centrifuge, successively with ethanol and water washing, drying product.
(3) preparation of bismoclite@cadmium sulfides/silver carbonate composite photo-catalyst：48mg bismoclite@cadmium sulfides are added
50ml distilled water, ultrasonic agitation 2h adds 0.85g silver nitrates, and 50ml sodium acid carbonates (0.21g) are added dropwise in ultrasonic agitation 1h,
Ultrasonic agitation 24h, is centrifuged, and is washed, drying.
The performance measurement of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst
The crystal phase structure of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst prepared by embodiment 1 is managed by Japan
The analysis of D/max2500PC rotations x-ray diffractometer is learned, wherein, X-ray is Cu target K αVoltage 40kV,
Electric current 100mA, step-length is 0.02 °, 5 °~80 ° of scanning range.X ray diffracting spectrum is as shown in figure 1, bismoclite is in (101)
The peak shape at place shows that bismoclite is successfully loaded on silver carbonate.As seen from the figure, cadmiumsulfide quantum dot 26.8 °, 44.1 °,
Have that not have the peak of obvious cadmium sulfide to occur in obvious peak shape, composite photo-catalyst be due to spreading out for cadmium sulfide at 51.6 °
Peak is penetrated to be covered or the less reason of cadmium sulfide doping by silver carbonate.
Bismoclite@cadmium sulfides/carbon prepared by embodiment 1 is observed using Japanese JSM-6360A types SEM
The pattern of sour silver composite visible light catalyst, scanning electron microscope (SEM) photograph are as shown in Fig. 2 silver carbonate is regular bar-shaped, bismoclite in figure
To be spherical, its particle diameter is about 400~500nm, as can be seen from Fig., chlorine oxygen in composite visible light catalyst prepared by embodiment 1
Together with change bismuth is closely loaded with silver carbonate, its surface all loads the graininess cadmium sulfide of size uniform.
The bismoclite@cadmium sulfides/carbonic acid prepared using Japanese JEM-2100 types transmission electron microscope observation embodiment 1
Silver-colored composite visible light catalyst, transmission electron microscope picture are as shown in figure 3, as can be seen from Fig., bismoclite and silver carbonate surface distributed
The graininess cadmium sulfide of a large amount of size uniforms, this and XRD analysis result meet.
The photocatalysis performance and potential application Journal of Sex Research of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst
Using the bismoclite@cadmium sulfides/silver carbonate prepared in embodiment 1 as photocatalyst for degrading rhodamine B solution, its
Middle rhodamine B solution concentration 10mg/L, takes bismoclite@cadmium sulfides/silver carbonate photochemical catalyst 30mg, first dark reaction 30min to reach
To adsorption-desorption balance, then visible light catalytic reaction is carried out, using 1000w xenon lamps as light source, dropper is used at regular intervals
5ml reaction solutions are extracted, is put into supercentrifuge and centrifuges 4 minutes, the light degradation situation of rhodamine B utilizes UV, visible light light splitting light
Degree meter detection.
Bismoclite@cadmium sulfides/degraded of the silver carbonate composite visible light catalyst to rhodamine B prepared by embodiment 1
Performance is as shown in Figure 4.From fig. 4, it can be seen that rhodamine B is almost degradable in 80 minutes, it is seen that bismoclite@cadmium sulfides/carbon
Sour silver composite visible light catalyst has higher photocatalytic activity.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (4)
1. a kind of preparation method of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst, it is characterized in that：Including following
Step：
(1) preparation of bismoclite：Bismuth nitrate solution and Klorvess Liquid mixing, 1~2h of ultrasonic agitation, mixed solution go to water
In thermal response kettle, 150~180 DEG C of 10~14h of reaction, cooling, suction filtration is washed, drying；
(2) preparation of bismoclite@cadmium sulfides composite photo-catalyst：Add bismoclite in distilled water, 1~3h of ultrasonic agitation,
Cadmium acetate is added, 1~2h of ultrasonic agitation adds thioacetamide, and ultrasonic agitation 30min~1h adds polyvinylpyrrolidone,
Ultrasonic agitation 30min~1h, mixed solution is gone in hydrothermal reaction kettle, 100 DEG C of reaction 12h, is cooled down, ethanol is successively used in centrifugation
And water washing, drying；
(3) preparation of bismoclite@cadmium sulfides/silver carbonate composite photo-catalyst：Bismoclite@cadmium sulfides are added in distilled water,
1~2h of ultrasonic agitation, adds silver nitrate, and ultrasonic agitation 30min~1h adds sodium acid carbonate, and ultrasonic agitation 24h, centrifugation is washed
Wash, dry.
2. a kind of preparation side of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst according to claim 1
Method, it is characterized in that：The mass ratio of potassium chloride and bismuth nitrate is 1 in described step (1)：3~5, bismuth nitrate solution and potassium chloride
The solvent of solution is ethylene glycol.
3. a kind of preparation side of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst according to claim 1
Method, it is characterized in that：The mass ratio of bismoclite and cadmium sulfide is 1 in described step (2)：2~3, cadmium sulfide and cadmium acetate with
The mol ratio of thioacetamide is 1：1：1, the mass ratio of thioacetamide and polyvinylpyrrolidone is 1：1.324.
4. a kind of preparation side of bismoclite@cadmium sulfides/silver carbonate composite visible light catalyst according to claim 1
Method, it is characterized in that：The mass ratio of bismoclite cadmium sulfide and silver carbonate is 0.03~0.07 in described step (3)：1, carbonic acid
The mol ratio of silver and silver nitrate and sodium acid carbonate is 1：2：1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110237810A (en) * | 2019-05-21 | 2019-09-17 | 河南师范大学 | A kind of preparation method of the bismuth oxychloride of synergistic sorption-photocatalytic degradation terramycin wastewater/graphene three-dimensional aeroge |
| CN112742437A (en) * | 2021-01-22 | 2021-05-04 | 西华师范大学 | Composite visible light catalyst and preparation method thereof |
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| CN105289680A (en) * | 2015-11-26 | 2016-02-03 | 常州大学 | Preparation method for visible-light-driven photocatalyst compositing bismuth oxychloride/silver carbonate |
| CN105879888A (en) * | 2016-01-22 | 2016-08-24 | 江苏大学 | Method for preparing CdS/BiOI heterojunction complex photocatalyst |
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| CN105289680A (en) * | 2015-11-26 | 2016-02-03 | 常州大学 | Preparation method for visible-light-driven photocatalyst compositing bismuth oxychloride/silver carbonate |
| CN105879888A (en) * | 2016-01-22 | 2016-08-24 | 江苏大学 | Method for preparing CdS/BiOI heterojunction complex photocatalyst |
| CN106000431A (en) * | 2016-05-23 | 2016-10-12 | 安徽建筑大学 | Flaky CdS/BiOCl composite nanometer material and preparation method thereof |
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| CN110237810A (en) * | 2019-05-21 | 2019-09-17 | 河南师范大学 | A kind of preparation method of the bismuth oxychloride of synergistic sorption-photocatalytic degradation terramycin wastewater/graphene three-dimensional aeroge |
| CN112742437A (en) * | 2021-01-22 | 2021-05-04 | 西华师范大学 | Composite visible light catalyst and preparation method thereof |
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