CN109529890A - A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst - Google Patents
A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst Download PDFInfo
- Publication number
- CN109529890A CN109529890A CN201811311974.6A CN201811311974A CN109529890A CN 109529890 A CN109529890 A CN 109529890A CN 201811311974 A CN201811311974 A CN 201811311974A CN 109529890 A CN109529890 A CN 109529890A
- Authority
- CN
- China
- Prior art keywords
- zinc
- cadmium sulfide
- bismuth oxybromide
- preparation
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OZKCXDPUSFUPRJ-UHFFFAOYSA-N oxobismuth;hydrobromide Chemical compound Br.[Bi]=O OZKCXDPUSFUPRJ-UHFFFAOYSA-N 0.000 title claims abstract description 55
- UQMZPFKLYHOJDL-UHFFFAOYSA-N zinc;cadmium(2+);disulfide Chemical compound [S-2].[S-2].[Zn+2].[Cd+2] UQMZPFKLYHOJDL-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000003054 catalyst Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000011941 photocatalyst Substances 0.000 claims abstract description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000012153 distilled water Substances 0.000 claims description 15
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 14
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 8
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 8
- -1 stirs 0.5h Chemical compound 0.000 claims description 7
- 238000002604 ultrasonography Methods 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims description 4
- 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 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 14
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 description 10
- 238000005119 centrifugation Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000376 reactant Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 4
- 229940107698 malachite green Drugs 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- XIOUDVJTOYVRTB-UHFFFAOYSA-N 1-(1-adamantyl)-3-aminothiourea Chemical compound C1C(C2)CC3CC2CC1(NC(=S)NN)C3 XIOUDVJTOYVRTB-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical class [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- FOQHYNYNHYNUIN-UHFFFAOYSA-N [O].[Br] Chemical compound [O].[Br] FOQHYNYNHYNUIN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- CEKJAYFBQARQNG-UHFFFAOYSA-N cadmium zinc Chemical compound [Zn].[Cd] CEKJAYFBQARQNG-UHFFFAOYSA-N 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 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
-
- 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—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst preparation method, the preparation including zinc-cadmium sulfide and bismuth oxybromide photocatalyst；The preparation of zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst.The beneficial effects of the present invention are: the preparation method is simple, cost is relatively low, easy to operate, and preparation condition is easy to get and controls, prepared zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst is green non-pollution high performance catalyst, and photocatalytic activity is high, degradation time short effect is good, has potential application prospect.
Description
Technical field
The invention belongs to photocatalysis technical field of inorganic nanometer material, being related to that a kind of zinc-cadmium sulfide/bismuth oxybromide is compound can
The preparation method of light-exposed catalyst.
Background technique
Poisonous and hazardous organic matter of degrading is always the research hotspot of photocatalysis field.Naturally occurring cleaning in nature
The industrial production and basis life of reproducible solar energy and people are closely bound up.Metal sulfide is a kind of important semiconductor
Nano material has a wide range of applications in fields such as photocatalysis, photoelectricity, can be by photo-thermal and photoelectric conversion mode using too
It is positive can, while also having at low cost, stability good and the advantages such as utilization efficiency height.Rate of optical absorption is high, emission spectrum is narrow and electric
The advantages such as the lotus rate of departure is fast keep application potential of the nano metal sulfide material in photocatalysis field huge.However, it is deposited
It is quickly compound and the disadvantages of be easy to happen photoetch in photogenerated charge-hole, photocatalysis efficiency is reduced, limits it in photocatalysis
The application in field.And zinc-cadmium sulfide is a kind of important inorganic semiconductor material, has suitable band gap, high absorptivity and good
Good electric conductivity, all has potential application prospect in fields such as photocatalysis.
Bismuth oxybromide is a kind of semiconductor material (band gap 2.8eV) with layer structure, crystal structure PbFCl
Type belongs to tetragonal crystal system, has preferable visible absorption performance, and valence band charge mobility with higher and oxidation are lived
Property.The mode of the special layer structure of bismuth oxybromide and indirect transition can promote the migration of photo-generated carrier, improve bromine oxygen
Change the photocatalytic activity of bismuth, so it has good development prospect in photocatalysis field.However, bismuth oxybromide light abstraction width
Narrow, photogenerated charge-hole is easy the disadvantages of compound, seriously reduces the photocatalysis efficiency of bismuth oxybromide.By bismuth oxybromide and energy
The different semiconductor material row of band structure is compound, to form heterojunction structure, thus it is possible to vary the transfer of its photo-generate electron-hole pairs
Mechanism, so that the activity of its catalysis material be made to improve.
This patent mainly uses three-step approach to prepare zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst, this catalyst
It can be applied in photocatalytic degradation of organic matter technology.
Summary of the invention
The technical problem to be solved by the present invention is based on the above issues, the present invention, which provides, a kind of prepares zinc-cadmium sulfide/bromine oxygen
Change the preparation method of bismuth composite visible light catalyst.
The present invention solves a technical solution used by its technical problem: a kind of zinc-cadmium sulfide/bismuth oxybromide is compound
The preparation method of visible light catalyst, comprising the following steps:
(1) preparation of zinc-cadmium sulfide: being added zinc nitrate and cadmium nitrate in distilled water, stirs 0.5h, and sodium hydroxide is added dropwise
Solution stirs 0.5h, then thiocarbamide is added into above-mentioned solution, stirs 1h, mixed solution is gone in hydrothermal reaction kettle,
180 DEG C of reaction 12h, it is cooling, it is centrifuged, washs, drying；
(2) preparation of bismuth oxybromide: being added bismuth nitrate and sodium bromide in distilled water, stirs 0.5h, and mixed solution goes to water
In thermal response kettle, 160 DEG C of reactions are for 24 hours, cooling, are centrifuged, and wash, drying；
(3) zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst preparation: bismuth oxybromide and zinc-cadmium sulfide are added steam respectively
In distilled water, each ultrasound 0.5h.Then zinc-cadmium sulfide is added in bismuth oxybromide, ultrasonic 2h, acetone is added, for 24 hours, drying is for stirring
Obtain product.
Further, the molar ratio of zinc nitrate and cadmium nitrate and sodium hydroxide and thiocarbamide is 1:1:12:4 in step (1).
Further, the molar ratio of bismuth nitrate and sodium bromide is 1:1 in step (2).
Further, the mass ratio of zinc-cadmium sulfide and bismuth oxybromide is 1.4~1.8:1 in step (3).
The beneficial effects of the present invention are: the preparation method is simple, cost is relatively low, easy to operate, and preparation condition is easy to obtain
It obtains and control, prepared zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst is green non-pollution high performance catalyst, and
Photocatalytic activity is high, and degradation time short effect is good, has potential application prospect.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is that zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst X that 1-3 of the embodiment of the present invention is prepared is penetrated
Ray diffraction diagram；
Fig. 2 is zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst scanning electricity that the embodiment of the present invention 2 is prepared
Mirror figure；
Fig. 3 is zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst degradation that 1-3 of the embodiment of the present invention is prepared
Effect picture.
Specific embodiment
Presently in connection with specific embodiment, the invention will be further described, following embodiment be intended to illustrate invention rather than
Limitation of the invention further.
Embodiment 1
(1) preparation of zinc-cadmium sulfide: measuring the distilled water of 5mL while the zinc nitrate hexahydrate and 1.5425g of 1.4875g is added
Four nitric hydrate cadmiums, stir 0.5h, be added dropwise the sodium hydroxide solution (2.4006g) of 10ml, stir 0.5h, be then added
The thiocarbamide of 1.5224g goes to reactant in hydrothermal reaction kettle into above-mentioned solution, 180 DEG C of reaction 12h, cooling, and centrifugation is washed
It washs, dries；
(2) preparation of bismuth oxybromide: measure the distilled water of 60mL and meanwhile be added 1.9404g five water bismuth nitrates and
The sodium bromide of 0.4116g stirs 0.5h, reactant is gone in hydrothermal reaction kettle, and 160 DEG C of reactions are for 24 hours, cooling, and centrifugation is washed
It washs, dries；
(3) zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst preparation: by 0.1g bismuth oxybromide and 0.14g zinc-cadmium sulfide
It is separately added into 10mL distilled water, then each ultrasound 0.5h zinc-cadmium sulfide is added in bismuth oxybromide, ultrasonic 2h, 10mL third is added
Ketone stirs for 24 hours, product obtained by drying.
Embodiment 2
(1) preparation of zinc-cadmium sulfide: measuring the distilled water of 5mL while the zinc nitrate hexahydrate and 1.5425g of 1.4875g is added
Four nitric hydrate cadmiums, stir 0.5h, be added dropwise the sodium hydroxide solution (2.4006g) of 10ml, stir 0.5h, be then added
The thiocarbamide of 1.5224g goes to reactant in hydrothermal reaction kettle into above-mentioned solution, 180 DEG C of reaction 12h, cooling, and centrifugation is washed
It washs, dries；
(2) preparation of bismuth oxybromide: measure the distilled water of 60mL and meanwhile be added 1.9404g five water bismuth nitrates and
The sodium bromide of 0.4116g stirs 0.5h, reactant is gone in hydrothermal reaction kettle, and 160 DEG C of reactions are for 24 hours, cooling, and centrifugation is washed
It washs, dries；
(3) zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst preparation: by 0.1g bismuth oxybromide and 0.16g zinc-cadmium sulfide
It is separately added into 10mL distilled water, then each ultrasound 0.5h zinc-cadmium sulfide is added in bismuth oxybromide, ultrasonic 2h, 10mL third is added
Ketone stirs for 24 hours, product obtained by drying.
Embodiment 3
(1) preparation of zinc-cadmium sulfide: measuring the distilled water of 5mL while the zinc nitrate hexahydrate and 1.5425g of 1.4875g is added
Four nitric hydrate cadmiums, stir 0.5h, be added dropwise the sodium hydroxide solution (2.4006g) of 10ml, stir 0.5h, be then added
The thiocarbamide of 1.5224g goes to reactant in hydrothermal reaction kettle into above-mentioned solution, 180 DEG C of reaction 12h, cooling, and centrifugation is washed
It washs, dries；
(2) preparation of bismuth oxybromide: measure the distilled water of 60mL and meanwhile be added 1.9404g five water bismuth nitrates and
The sodium bromide of 0.4116g stirs 0.5h, reactant is gone in hydrothermal reaction kettle, and 160 DEG C of reactions are for 24 hours, cooling, and centrifugation is washed
It washs, dries；
(3) zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst preparation: by 0.1g bismuth oxybromide and 0.18g zinc-cadmium sulfide
It is separately added into 10mL distilled water, then each ultrasound 0.5h zinc-cadmium sulfide is added in bismuth oxybromide, ultrasonic 2h, 10mL third is added
Ketone stirs for 24 hours, product obtained by drying.
The performance measurement of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst
Zinc-cadmium sulfide prepared by embodiment 1-3/bismuth oxybromide composite visible light catalyst crystal phase structure is managed by Japan
Learn the analysis of D/max2500PC rotation x-ray diffractometer, wherein X-ray is Cu target K αVoltage 40kV,
Electric current 100mA, step-length are 0.02 °, 10 °~80 ° of scanning range.X ray diffracting spectrum is as shown in Figure 1, in 31.7 ° and 32.2 °
The peak that equal positions occur respectively corresponds the crystal faces such as bismuth oxybromide (102), (110), at the peak that 27.1 ° and 28.8 ° are waited positions to occur
Respectively correspond the crystal faces such as zinc-cadmium sulfide (002), (101).The strong diffraction maximum of composite material matched well proves that the sample is not
Two phase structure containing other impurities and have high-crystallinity.
Zinc-cadmium sulfide/the bismuth oxybromide prepared using Japanese JSM-6360A type scanning electron microscope observation embodiment 2 is multiple
The pattern of visible light catalyst is closed, scanning electron microscope (SEM) photograph is as shown in Fig. 2, as can be seen from Fig., the compound of present embodiment preparation can
In light-exposed catalyst bismuth oxybromide area load granular zinc-cadmium sulfide, zinc-cadmium sulfide and bismuth oxybromide be closely supported on one
It rises.
Zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst photocatalysis performance and potential application Journal of Sex Research
Using the zinc-cadmium sulfide/bismuth oxybromide prepared in embodiment 1-3 as photocatalyst for degrading malachite green dyestuff.Take sulphur
Change zinc cadmium/bismuth oxybromide photocatalyst 30mg to be added in 50mL, 10mol/L malachite green solution, in photochemical reactor
The dark reaction for carrying out 0.5h reaches adsorption-desorption balance, then carries out visible light catalytic reaction.Use 1000w xenon lamp as light source,
Every 10min dropper abstraction reaction liquid, it is put into 5000rpm, 5min in supercentrifuge and is centrifuged, the light degradation feelings of malachite green
Condition is detected using ultraviolet-uisible spectrophotometer.
Zinc-cadmium sulfide prepared by embodiment 1-3/bismuth oxybromide composite visible light catalyst degradation effect as shown in figure 3,
Wherein after reacting 1h, drop of zinc-cadmium sulfide prepared by the embodiment 2/bismuth oxybromide composite visible light catalyst to malachite green
Solution rate is more than 90%, it is seen that zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst photocatalytic activity with higher.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above 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 range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (4)
1. a kind of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst preparation method, it is characterized in that: the following steps are included:
(1) preparation of zinc-cadmium sulfide: being added zinc nitrate and cadmium nitrate in distilled water, stirs 0.5h, and sodium hydroxide solution is added dropwise,
0.5h is stirred, then thiocarbamide is added into above-mentioned solution, 1h is stirred, mixed solution is gone in hydrothermal reaction kettle, 180 DEG C anti-
12h is answered, it is cooling, it is centrifuged, washs, drying；
(2) preparation of bismuth oxybromide: being added bismuth nitrate and sodium bromide in distilled water, stirs 0.5h, it is anti-that mixed solution goes to hydro-thermal
It answers in kettle, 160 DEG C of reactions are for 24 hours, cooling, are centrifuged, and wash, drying；
(3) distilled water zinc-cadmium sulfide/bismuth oxybromide composite photo-catalyst preparation: is added in bismuth oxybromide and zinc-cadmium sulfide respectively
In, each ultrasound 0.5h.Then zinc-cadmium sulfide is added in bismuth oxybromide, ultrasonic 2h, acetone is added, stir production obtained by drying for 24 hours
Product.
2. the preparation method of Zinc-cadmium sulfide photocatalyst according to claim 1, it is characterized in that: in the step (1)
The molar ratio of zinc nitrate and cadmium nitrate and sodium hydroxide and thiocarbamide is 1:1:12:4.
3. the preparation method of bismuth oxybromide photocatalyst according to claim 1, it is characterized in that: in the step (2)
The molar ratio of bismuth nitrate and sodium bromide is 1:1.
4. zinc-cadmium sulfide according to claim 1/bismuth oxybromide composite visible light catalyst preparation method, feature
Be: the mass ratio of zinc-cadmium sulfide and bismuth oxybromide is 1.4~1.8:1 in the step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311974.6A CN109529890A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311974.6A CN109529890A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109529890A true CN109529890A (en) | 2019-03-29 |
Family
ID=65845111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311974.6A Pending CN109529890A (en) | 2018-11-06 | 2018-11-06 | A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109529890A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420647A (en) * | 2019-08-20 | 2019-11-08 | 常州大学 | A kind of preparation method and application of lead tungstate/cadmium sulfide composite visible light catalyst |
| CN110560089A (en) * | 2019-08-16 | 2019-12-13 | 南京理工大学 | Zinc-cadmium-sulfur-bismuth doped halloysite composite photocatalyst and preparation method thereof |
| CN112169813A (en) * | 2020-11-10 | 2021-01-05 | 常州大学 | Preparation method and application of bismuth oxyiodide/bismuth oxybromide composite photocatalyst |
| CN116273195A (en) * | 2023-03-31 | 2023-06-23 | 常州大学 | Preparation method and application of BiOBr/MIL-88A (Fe) composite photocatalyst |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590413A (en) * | 2009-06-26 | 2009-12-02 | 天津工业大学 | Has visible light-responded Zinc-cadmium sulfide photocatalyst and preparation method thereof |
| CN103055899A (en) * | 2012-12-10 | 2013-04-24 | 上海师范大学 | Mesoporous nano spheroidal ZnxCd1-xS particle and preparation method and application thereof |
| RU2603190C1 (en) * | 2015-11-05 | 2016-11-27 | Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук | Catalyst, preparation method thereof and photocatalytic method of producing hydrogen |
| CN106732686A (en) * | 2016-11-12 | 2017-05-31 | 常州大学 | A kind of preparation method for vulcanizing indium doping bismuth oxybromide composite photo-catalyst |
| CN106964380A (en) * | 2017-03-22 | 2017-07-21 | 陕西工业职业技术学院 | A kind of three-dimensional cadmium sulfide/bismuth oxybromide heterojunction photocatalyst and preparation method and applications |
-
2018
- 2018-11-06 CN CN201811311974.6A patent/CN109529890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590413A (en) * | 2009-06-26 | 2009-12-02 | 天津工业大学 | Has visible light-responded Zinc-cadmium sulfide photocatalyst and preparation method thereof |
| CN103055899A (en) * | 2012-12-10 | 2013-04-24 | 上海师范大学 | Mesoporous nano spheroidal ZnxCd1-xS particle and preparation method and application thereof |
| RU2603190C1 (en) * | 2015-11-05 | 2016-11-27 | Федеральное государственное бюджетное учреждение науки Институт катализа им. Г.К. Борескова Сибирского отделения Российской академии наук | Catalyst, preparation method thereof and photocatalytic method of producing hydrogen |
| CN106732686A (en) * | 2016-11-12 | 2017-05-31 | 常州大学 | A kind of preparation method for vulcanizing indium doping bismuth oxybromide composite photo-catalyst |
| CN106964380A (en) * | 2017-03-22 | 2017-07-21 | 陕西工业职业技术学院 | A kind of three-dimensional cadmium sulfide/bismuth oxybromide heterojunction photocatalyst and preparation method and applications |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560089A (en) * | 2019-08-16 | 2019-12-13 | 南京理工大学 | Zinc-cadmium-sulfur-bismuth doped halloysite composite photocatalyst and preparation method thereof |
| CN110560089B (en) * | 2019-08-16 | 2022-06-28 | 南京理工大学 | Zinc-cadmium-sulfur-bismuth doped halloysite composite photocatalyst and preparation method thereof |
| CN110420647A (en) * | 2019-08-20 | 2019-11-08 | 常州大学 | A kind of preparation method and application of lead tungstate/cadmium sulfide composite visible light catalyst |
| CN112169813A (en) * | 2020-11-10 | 2021-01-05 | 常州大学 | Preparation method and application of bismuth oxyiodide/bismuth oxybromide composite photocatalyst |
| CN116273195A (en) * | 2023-03-31 | 2023-06-23 | 常州大学 | Preparation method and application of BiOBr/MIL-88A (Fe) composite photocatalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109529890A (en) | A kind of preparation method of zinc-cadmium sulfide/bismuth oxybromide composite visible light catalyst | |
| CN107866234B (en) | High-activity ZnIn2S4/TiO2Preparation method of Z-system catalyst material | |
| Cheng et al. | Low-temperature solid-state preparation of ternary CdS/g-C3N4/CuS nanocomposites for enhanced visible-light photocatalytic H2-production activity | |
| CN105964305B (en) | ZnIn2S4/NH2- MIL-125 (Ti) composite visible light catalyst and preparation method thereof | |
| Soto-Arreola et al. | Comparative study of the photocatalytic activity for hydrogen evolution of MFe2O4 (M= Cu, Ni) prepared by three different methods | |
| CN106925304B (en) | Bi24O31Br10/ZnO composite visible light catalyst and preparation method thereof | |
| CN106378160B (en) | It is a kind of to prepare CdS/MoS2The method of composite hollow square photochemical catalyst | |
| Liang et al. | Synthesis of SnO/g-C3N4 visible light driven photocatalysts via grinding assisted ultrasonic route | |
| CN108262054A (en) | A kind of preparation method of silver vanadate/nitride porous carbon heterojunction composite photocatalyst | |
| CN105642316A (en) | Method for preparing BiOI / CdWO4 heterojunction photocatalyst | |
| CN102974373A (en) | Visible-light photocatalytic material and preparation method thereof | |
| CN107233909A (en) | A kind of preparation method and its usage of SrNb2 O6/nitridation carbon composite nano-material | |
| CN108927174A (en) | A kind of ZnS/rGO/CuS nano-photocatalyst and preparation method thereof | |
| CN109364933A (en) | A kind of copper-bismuth/composite bismuth vanadium photocatalyst preparation and application | |
| CN106513020A (en) | Preparation method of bismuth tungstate-molybdenum disulfide/graphene composite | |
| CN106563485A (en) | Carbon nitride/potassium calcium niobate composite material and preparing method and application thereof | |
| CN105289657B (en) | The preparation method of graphene antimony sulfide nano rod composite visible light catalyst | |
| CN109174145A (en) | A kind of dimolybdenum carbide/titanium dioxide composite photocatalyst and its preparation method and application | |
| Ri et al. | Construction of the Bi 2 WO 6/Bi 4 V 2 O 11 heterojunction for highly efficient visible-light-driven photocatalytic reduction of Cr (VI) | |
| CN111036224A (en) | Preparation method and application of cobalt oxide/potassium niobate p-n heterojunction composite photocatalyst | |
| CN113070074A (en) | Ti3C2-MXene/ZnIn2S4Preparation method and application of composite photocatalyst | |
| CN110302809A (en) | A kind of loaded photocatalyst and preparation method thereof | |
| CN105126844A (en) | Molybdenum disulfide/silver vanadate visible light composite catalyst and preparation method thereof | |
| Wang et al. | Enhanced photocatalytic water splitting of g-C3N4 loaded with Fe doped Co3O4 and Pt dual-cocatalysts | |
| Xu et al. | Designing of a novel Mn0. 2Cd0. 8S@ ZnO heterostructure with Type-II charge transfer path for efficient photocatalytic hydrogen evolution reaction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190329 |