CN109289880A - A kind of BiOI (100)/BiOI (001) is the same as phase homojunction and preparation method - Google Patents
A kind of BiOI (100)/BiOI (001) is the same as phase homojunction and preparation method Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000416 bismuth oxide Inorganic materials 0.000 claims abstract description 19
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- 229910002651 NO3 Inorganic materials 0.000 claims description 11
- 230000001699 photocatalysis Effects 0.000 claims description 11
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 238000007146 photocatalysis Methods 0.000 claims description 8
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 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 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- 238000004140 cleaning Methods 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
- 238000007873 sieving Methods 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [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 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 229940073609 bismuth oxychloride Drugs 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 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 1
- 229940043267 rhodamine b Drugs 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003911 water pollution 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
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- 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
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- 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
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- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract
The present invention relates to a kind of BiOI (100)/BiOI (001) with phase homojunction and preparation method.Steps are as follows for preparation method of the present invention: first with Bi (NO3)3•5H2O and KI, BiOI (100) basis material is prepared under hydrothermal conditions, obtained BiOI (100) basis material is mixed with the bismuth oxide powder of preparation, under hydrochloric acid effect bismuth oxide powder is converted to BiOI (001) in situ, and forms BiOI (100)/BiOI (001) with phase homojunction with BiOI (100).The advantages that present invention has preparation process novel, and operating process is simple, and low production cost, reaction condition is mild, is easy to large-scale production.
Description
Technical field
The invention belongs to field of functional materials, it is related to a kind of BiOI (100)/BiOI (001) with phase homojunction and preparation side
Method.
Background technique
With a large amount of consumption of the fossil fuels such as petroleum, natural gas, coal, such as acid rain, haze, photochemical fog are produced
Etc. environmental problems.Since photocatalysis technology can directly solve energy problem using sunlight, air, water pollution are handled,
Therefore it has obtained more and more attention, and photochemical catalyst is Key technique problem in this art.Conductor photocatalysis oxygen
The photo-generate electron-hole pairs oxidative degradation organic pollutant that change technology utilizes illumination to generate, reaction efficiency is high, and stability is strong.Chlorine oxygen
Changing bismuth is novel photocatalyst developed in recent years, cheap and easy to get and environmental-friendly, but itself photocatalytic activity is weaker,
It is considered as improving the approach of its photocatalysis performance by further modification.For example, Sun etc. is with Bi (NO3)3•5H2O, KI is
Primary raw material has prepared BiOI by low temperature water-bath method, has then used hydro-thermal method with Bi (NO3)3•5H2O, KCl is primary raw material,
BiOCl has been obtained after 160 °C of lower 24 h of hydro-thermal, has been heat-treated 3 under 250 °C after BiOI and BiOCl powder is uniformly dispersed
H is obtained with BiOI/BiOCl material (ACS Catal., 2015,5:3540 3551).Kim etc. is with Bi (NO3)3•5H2O、
KCl, KI are primary raw material, have obtained BiOI after 120 °C of lower 12 h of hydro-thermal reactionxI1−x(Applied Catalysis B:
Environmental, 20141,47:711-725).The prior art is in terms of the photocatalysis performance for improving bismuth oxychloride, mainly
It is all by introducing the means such as the second phase or doping, preparation process complexity causes production cost excessively high, it is difficult to realize extensive
Production.So far, there is not been reported with the related work of phase homojunction by one pack system BiOI (100)/BiOI (001), by not
Face face between preferentially exposing with BiOI crystallography face is compound, improves the photo-generated carrier separative efficiency of BiOI, urges for novel light
Agent design provides new mentality of designing.
Summary of the invention
The purpose of the present invention is to provide a kind of BiOI (100)/BiOI (001) with the system of phase homojunction high efficiency photocatalyst
Preparation Method has photocatalysis performance high, and low production cost is with short production cycle, is easy to the advantages that being mass produced.
The present invention adopts the following technical scheme:
Step 1, by a certain amount of Bi (NO3)3•5H2O is dissolved in nitric acid solution, KI solution is added, wherein Bi (NO3)3•5H2O
It is 1:1 with the ratio between KI moles, then pH value is adjusted with NaOH solution, until pH=5.5~6.0 of mixed solution；
Step 2, in the solution investment reaction kettle step 1 obtained, hydro-thermal reaction 12 ~ 18 hours at 140~180oC,
The BiOI powder of (100) face exposure will be obtained after precipitating filtering, cleaning；
Step 3, it weighs a certain amount of five water bismuth nitrate to be dissolved in the mixed solution of nitric acid and citric acid, then uses NaOH solution
The pH for adjusting pH value to solution is 6~7, makes 0.35~0.75mol/L of concentration of five water bismuth nitrates；
Step 4, will the solution that obtained in the step 3 it is dry after obtain colloidal sol, be dried, grind, sieving, 400~
3~5h is calcined at 450 DEG C, obtains bismuth oxide powder；
Step 5, bismuth oxide powder is mixed with BiOI powder obtained in step 2, ultrasonic disperse after deionized water is added, then
Hydrochloric acid solution is added in above-mentioned system, wherein BiOI powder and bismuth oxide powder molar ratio are 1:(0 ~ 0.5), bismuth oxide with
Hydrochloric acid molar ratio is 1:(7 ~ 9), precipitating is washed 3 times repeatedly using ethyl alcohol and deionized water, obtained after dry BiOI (100)/
BiOI (001) is the same as phase homojunction.
The BiOI (100)/BiOI (001) is the same as phase homojunction and preparation method, which is characterized in that the BiOI
(100)/BiOI (001) is tetragonal phase, the BiOI with the structure of BiOI (100) and BiOI (001) in phase homojunction
(100) the application of/BiOI (001) with phase homojunction in terms of photocatalysis.Compared with prior art, the present invention has beneficial below
Effect:
The present invention is combined with soft chemical method using hydro-thermal method and is prepared for BiOI (100)/BiOI (001) with phase homojunction complex light
Catalyst, present invention raising BiOI (100) more more efficient than the method for traditional physical mixed or Surface Creation and BiOI (001)
Effective contact area, the present invention has novel design in the photocatalysis performance for not changing system ingredient premise down regulation BiOI,
The advantages that production cost is low, short preparation period.
Detailed description of the invention
Fig. 1 is BiOI (100)/BiOI (001) for preparing in the embodiment of the present invention 1~3 with phase homojunction, BiOI (100)
With the XRD diffracting spectrum of BiOI (001)；
Fig. 2 is that BiOI (the 100)/BiOI (001) prepared in the embodiment of the present invention 1 schemes with the TEM of phase homojunction；
Fig. 3 is BiOI (100)/BiOI (001) for preparing in the embodiment of the present invention 1~3 with phase homojunction, BiOI (100) and
The Photocatalytic Decoloration rate curve of BiOI (001)；
Fig. 4 is BiOI (100)/BiOI (001) for preparing in the embodiment of the present invention 1~3 with phase homojunction, BiOI (100) and
The fluorescence spectra of BiOI (001).
Specific embodiment
The present invention is described further with currently preferred specific embodiment with reference to the accompanying drawing, raw material is analysis
It is pure.
Embodiment 1:
Step 1, by a certain amount of Bi (NO3)3•5H2O is dissolved in nitric acid solution, KI solution is added, wherein Bi (NO3)3•5H2O
It is 1:1, Bi (NO with the ratio between KI moles3)3•5H2The concentration of O is 0.3mol/L, and the concentration of KI solution is 0.3mol/L, is then used
NaOH solution adjusts pH value, until the pH=6.0 of mixed solution；
Step 2, in the solution investment reaction kettle step 1 obtained, hydro-thermal reaction 12 hours at 160oC will be precipitated
The BiOI powder of (100) face exposure is obtained after filter, cleaning；
Step 3, it weighs a certain amount of five water bismuth nitrate to be dissolved in the mixed solution of nitric acid and citric acid, then uses NaOH solution
The pH for adjusting pH value to solution is 6, makes the concentration 0.65mol/L of five water bismuth nitrates；
Step 4, colloidal sol will be obtained after the solution obtained in the step 3 drying, is dried, grinds, sieving, at 400 DEG C
Lower calcining 4h, obtains bismuth oxide powder；
Step 5, bismuth oxide powder is mixed with BiOI powder obtained in step 2, ultrasonic disperse after deionized water is added, then
Hydrochloric acid solution is added in above-mentioned system, wherein BiOI powder and bismuth oxide powder molar ratio are 1:0.2, bismuth oxide and hydrochloric acid
Molar ratio is 1:8, and precipitating is washed 3 times repeatedly using ethyl alcohol and deionized water, obtains BiOI (100)/BiOI (001) after dry
With phase homojunction.
Embodiment 2:
Step 1, by a certain amount of Bi (NO3)3•5H2O is dissolved in nitric acid solution, KI solution is added, wherein Bi (NO3)3•5H2O
It is 1:1, Bi (NO with the ratio between KI moles3)3•5H2The concentration of O is 0.3mol/L, and the concentration of KI solution is 0.3mol/L, is then used
NaOH solution adjusts pH value, until the pH=6.0 of mixed solution；
Step 2, in the solution investment reaction kettle step 1 obtained, hydro-thermal reaction 12 hours at 160oC will be precipitated
The BiOI powder of (100) face exposure is obtained after filter, cleaning.
Embodiment 3:
Step 1, it weighs a certain amount of five water bismuth nitrate to be dissolved in the mixed solution of nitric acid and citric acid, then uses NaOH solution
The pH for adjusting pH value to solution is 6, makes the concentration 0.65mol/L of five water bismuth nitrates；
Step 2, colloidal sol will be obtained after the solution obtained in the step 2 drying, is dried, grinds, sieving, at 420 DEG C
Lower calcining 4h, obtains bismuth oxide powder.
Step 3, a certain amount of bismuth oxide powder is dispersed in 100mL deionized water, HCl acid solution is added dropwise,
The molar ratio of middle bismuth oxide and HCl acid is 1:(7~9), HCl acid continues stirring 3~5 hours after dripping, by precipitating filtering, use
Deionized water washs repeatedly, obtains the BiOI powder of (001) face exposure after drying.
Application examples:
To BiOI (100)/BiOI (001) obtained in implementation column 1~3 with phase homojunction, BiOI (100) and BiOI (001)
Carry out photocatalytic activity evaluation, concrete operation step are as follows:
BiOI (100)/BiOI (001) obtained in Examples 1 to 3 is weighed with phase homojunction, BiOI (100) and BiOI
(001) 100 mg of photochemical catalyst is taken respectively, add it in rhdamine B solution (100mL, 3.5 × 10-5mol·L-1), it is protected from light stirring 1h, opens 500W xenon source after De contamination reaches balance, detects the concentration of a dyestuff every 30min,
Material prepared is symbolized within given time to the catalytic decolorization situation of rhodamine B.
Above said content is only the basic explanation under present inventive concept, by reading description of the invention to the present invention
Any equivalent transformation that technical solution is taken should all belong to this hair as long as it does not depart from the spirit and scope of the technical scheme of the present invention
Bright protection scope.
Claims (7)
1. a kind of BiOI (100)/BiOI (001) is the same as phase homojunction and preparation method, it is characterised in that knot is tetragonal phase structure,
A kind of group is divided into (001) face and preferentially exposes, and another group is divided into (100) face and preferentially exposes, and specifically includes following preparation step:
Step 1, by a certain amount of Bi (NO3)3•5H2O is dissolved in nitric acid solution, KI solution is added, wherein Bi (NO3)3•5H2O
It is 1:1 with the ratio between KI moles, then pH value is adjusted with NaOH solution, until pH=5.5~6.0 of mixed solution；
Step 2, in the solution investment reaction kettle step 1 obtained, hydro-thermal reaction 12 ~ 18 hours at 140~180oC,
The BiOI powder of (100) face exposure will be obtained after precipitating filtering, cleaning；
Step 3, it weighs a certain amount of five water bismuth nitrate to be dissolved in the mixed solution of nitric acid and citric acid, then uses NaOH solution
The pH for adjusting pH value to solution is 6~7, makes 0.35~0.75mol/L of concentration of five water bismuth nitrates；
Step 4, will the solution that obtained in the step 3 it is dry after obtain colloidal sol, be dried, grind, sieving, 400~
3~5h is calcined at 450 DEG C, obtains bismuth oxide powder；
Step 5, bismuth oxide powder is mixed with BiOI powder obtained in step 2, ultrasonic disperse after deionized water is added, then
Hydrochloric acid solution is added in above-mentioned system, wherein BiOI powder and bismuth oxide powder molar ratio are 1:(0 ~ 0.5), bismuth oxide with
Hydrochloric acid molar ratio is 1:(7 ~ 9), precipitating is washed 3 times repeatedly using ethyl alcohol and deionized water, obtained after dry BiOI (100)/
BiOI (001) is the same as phase homojunction.
2. Bi (NO in the step 13)3•5H2The concentration of O is 0.2~0.5mol/L, and the concentration of KI solution is 0.2~0.5mol/
L。
3. hydrothermal temperature is 140~180oC in the step 2, the hydro-thermal time is 12 ~ 18 hours.
4. the pH of solution is 6~7 in the step 3, the concentration of five water bismuth nitrates is 0.35~0.75mol/L.
5. calcination temperature is 360~420 DEG C in the step 4, calcination time is 3~5h.
6. BiOI and bismuth oxide molar ratio are 1:(0 ~ 0.5 in the step 5), concentration of hydrochloric acid solution is 0.05~0.1 mol/L,
Bismuth oxide and hydrochloric acid molar ratio are 1:(7 ~ 9).
7. the BiOI (100)/application of the BiOI (001) with phase homojunction in terms of photocatalysis.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731563A (en) * | 2019-02-25 | 2019-05-10 | 辽宁石油化工大学 | It is a kind of to tie photochemical catalyst and its preparation method and application with phase |
| CN114160171A (en) * | 2021-11-10 | 2022-03-11 | 中国电建集团成都勘测设计研究院有限公司 | CeO2-La3+Preparation method of/BiOI composite material and method for removing sulfadiazine in water |
-
2018
- 2018-09-18 CN CN201811085111.1A patent/CN109289880A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731563A (en) * | 2019-02-25 | 2019-05-10 | 辽宁石油化工大学 | It is a kind of to tie photochemical catalyst and its preparation method and application with phase |
| CN109731563B (en) * | 2019-02-25 | 2022-01-21 | 辽宁石油化工大学 | In-phase junction photocatalyst and preparation method and application thereof |
| CN114160171A (en) * | 2021-11-10 | 2022-03-11 | 中国电建集团成都勘测设计研究院有限公司 | CeO2-La3+Preparation method of/BiOI composite material and method for removing sulfadiazine in water |
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