CN110508320A - BiO(HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst - Google Patents
BiO(HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst Download PDFInfo
- Publication number
- CN110508320A CN110508320A CN201910780478.3A CN201910780478A CN110508320A CN 110508320 A CN110508320 A CN 110508320A CN 201910780478 A CN201910780478 A CN 201910780478A CN 110508320 A CN110508320 A CN 110508320A
- Authority
- CN
- China
- Prior art keywords
- hcoo
- bio
- solid solution
- solid
- sheet
- 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
- 238000000227 grinding Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000007790 solid phase Substances 0.000 title claims abstract description 8
- 239000011941 photocatalyst Substances 0.000 title claims description 11
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims abstract description 13
- 235000019254 sodium formate Nutrition 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 abstract description 22
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 abstract description 21
- 239000006104 solid solution Substances 0.000 abstract description 12
- 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 abstract description 11
- 229940043267 rhodamine b Drugs 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004280 Sodium formate Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract description 2
- -1 bromo- iodo- formic acid oxygen bismuth Chemical compound 0.000 abstract 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 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 238000012163 sequencing technique Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 230000001699 photocatalysis Effects 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 238000007146 photocatalysis Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 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
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910002915 BiVO4 Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 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 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004729 solvothermal method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
-
- 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
-
- 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
-
- 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
-
- 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
- B01J37/04—Mixing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of Room Temperature Solid State polishings to prepare the bromo- iodo- formic acid oxygen bismuth solid solution BiO (HCOO) of sheetxIyBr1‑x‑yThe bromo- iodo- formic acid oxygen bismuth solid solution of sheet is prepared especially with simple solid-phase sequencing in the method and its performance study of photochemical catalyst.The preparation method of the sample is the following steps are included: five water bismuth nitrates and sodium formate powder are placed in mortar, it is ground under room temperature and is directly added into potassium bromide grinding after a certain period of time, it adds potassium iodide to continue to grind certain time, the bromo- iodo- formic acid oxygen bismuth solid solution of sheet can be obtained in washing drying after reaction.Solid solution has very good effect when degrading simulating pollution object rhodamine B (RhB), shows that it has a good application prospect in terms of environmental pollution improvement.
Description
Technical field
The invention belongs to field of inorganic nano-material preparation, are a kind of BiO (HCOO) specificallyxIyBr1-x-ySolid solution
The solid-phase grinding preparation method of photochemical catalyst.
Background technique
Today's society is faced with two hang-up of energy shortage and environmental pollution, and semiconductor light-catalyst solves energy because it has
Great potential on source and environmental problem and cause extensive research interest.So far, various semiconductor materials are designed
At photochemical catalyst, including metal oxide, sulfide, nitride and its compound.Wherein the oxide of bismuth has [Bi2O2]2+
Layer structure, such as Bi2O3, BiOX (X=Cl, Br, I), BiVO4,Bi2WO6,Bi4Ti3O12,BiPO4,Bi2O2CO3,
BiOHCOO etc..The internal electric field that this unique layer structure is formed is conducive to the separation in light induced electron and hole, to improve
Its photocatalysis effect.
However the biggish forbidden bandwidth of BiOHCOO is about 3.30eV (Xiong, Cheng, et al.BiOCOOH
hierarchical nanostructures:Shape-controlled solvothermal synthesis and
Photocatalytic degradation performances [J] .CrystEngComm, 2011,13,2381) make it can only
Photocatalytic activity is shown under the excitation of ultraviolet light, and ultraviolet light accounts for about the 5% of sunlight.Therefore expand the light of BiOHCOO
Absorption region is particularly important.Up to the present, people have developed many methods to expand the light of wide band gap semiconducter
Response range, including construction heterojunction structure, metal and nonmetal doping and codope, noble metal loading, crystal face design,
Construct solid solution etc..Wherein, the formation of solid solution can continuously adjust band structure, to inhale in redox ability and light
Reach optimum balance between receipts, photocatalytic activity is made to reach maximum.
Summary of the invention
It is an object of the invention to overcome the shortage of prior art, a kind of BiO (HCOO) is providedxIyBr1-x-ySolid solution light is urged
The solid-phase grinding preparation method of agent.
The technical solution for realizing the aim of the invention is as follows: at room temperature by sequentially adding five water nitric acid of slightly water-soluble
Bismuth, water-soluble sodium formate, potassium iodide, potassium bromide raw material are ground in mortar, and solid-phase grinding prepares the good BiO of crystallinity
(HCOO)xIyBr1-x-yMischcrystal photocatalyst, to realize the purpose of the present invention, comprising the following steps:
Step 1: by Bi (NO3)3·5H2O and HCOONa mixed grinding certain time;
Step 2: KI being added in step 1 products therefrom, KBr continues to grind certain time;
Step 3: up to sheet BiO (HCOO) after washing is dry after reactionxIyBr1-x-yMischcrystal photocatalyst.
Milling time described in step 1 is 1h;
Grinding temperature described in step 1 is room temperature;
Described in step 2 plus sampfe order is first potassium iodide, rear potassium bromide;
Described in step 2 plus potassium iodide milling time is 1h, and adding potassium bromide milling time is 1h, and grinding temperature is room temperature;
Step 1 and 2 described plus Bi (NO3)3·5H2The molar ratio of O, HCOONa, KBr, KI are 1:5:0.2:0.2 to 1:5:
0.4:0.4。
Mode of washing described in step 3 is washing 3 times, and ethyl alcohol is washed 1 time;
Drying temperature described in step 3 is room temperature;
Preferred plan of the present invention are as follows:
Step 1: by Bi (NO3)3·5H2O and HCOONa mixed grinding 1.0h;
Step 2: sequentially adding 0.3mmolKI grinding 1.0h in step 1 products therefrom, add 0.3mmolKBr
Continue to grind;
Step 3: washed after reaction up to sheet BiO (HCOO)0.4I0.3Br0.3Mischcrystal photocatalyst.
The present invention has following remarkable advantage:
1, this method is simple, and experimental period is short, saves the time, and yield is high.It is not necessary that any template is added, five water are used only
Bismuth nitrate, sodium formate, potassium bromide, potassium iodide raw material have obtained BiO (HCOO)xIyBr1-x-ySolid solution;
2, the BiO (HCOO) obtained by the present inventionxIyBr1-x-yFor sheet;
3, this it is nanocrystalline excellent visible light photocatalytic degradation performance is shown to rhodamine B (RhB), in industrial wastewater treatment
Field has good application.
Detailed description of the invention
Fig. 1 is present invention preparation sheet BiO (HCOO)xIyBr1-x-yThe flow diagram of solid solution.
Fig. 2 is embodiment 1BiO (HCOO)0.4I0.3Br0.3The nanocrystalline transmission electron microscope picture of gained.
Fig. 3 is 1 gained sample XRD spectra of embodiment.
Fig. 4 is 1 gained sample XRD spectra of comparative example.
Fig. 5 is 2 gained sample XRD spectra of comparative example.
Fig. 6 is the rhodamine B degradation figure of 20mg/L of degrading under visible light to the sample of embodiment 1-3 and comparative example 1-3.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
In conjunction with Fig. 1, the present invention has the BiO (HCOO) of unique morphology using polishing preparationxIyBr1-x-yThe side of catalyst
Method, feature the following steps are included:
Step 1: by Bi (NO3)3·5H2O and HCOONa mixed grinding certain time;
Step 2: KI will be added in step 1 products therefrom, KBr continues to grind;
Step 3: washed after reaction up to sheet BiO (HCOO)xIyBr1-x-yMischcrystal photocatalyst.
Below with reference to embodiment, comparative example, the present invention will be further described in detail for attached drawing:
Embodiment 1
Step 1: by Bi (NO3)3·5H2O and HCOONa mixed grinding 1.0h;
Step 2: sequentially adding 0.3mmolKI grinding 1.0h in step 1 products therefrom, add 0.3mmolKBr
Continue to grind 1.0h;
Step 3: washing is drying to obtain sheet BiO (HCOO) after reaction0.4I0.3Br0.3Mischcrystal photocatalyst.
Products therefrom transmission electron microscope picture has slight reunion as shown in Fig. 2, for ultrathin nanometer sheet.Fig. 3 is its XRD spectrum
Figure, spectrogram show that product crystallinity is preferable.Fig. 6 shows its degradation effect to 20mg/L rhodamine B, degrades 90% in 30min,
120min is degradable.
Embodiment 2
Step 1: with embodiment 1;
Step 2: with embodiment 1, other conditions are constant, only change KI, and KBr obtains additional amount, becomes 0.2mmol;
Step 3: washing is drying to obtain sheet BiO (HCOO) after reaction0.6I0.2Br0.2Mischcrystal photocatalyst
Products therefrom photocatalysis effect is as shown in fig. 6, have visible light activity, degradation rate to the rhodamine B of 20mg/L are as follows:
30min degrades 80%, 120min degradation completely.
Embodiment 3
Step 1: with embodiment 1;
Step 2: with embodiment 1, other conditions are constant, only change KI, and KBr obtains additional amount, becomes 0.4mmol;
Step 3: washed after reaction up to sheet BiO (HCOO)0.2I0.4Br0.4Mischcrystal photocatalyst
Products therefrom photocatalysis effect is as shown in fig. 6, be remarkably reinforced the absorption of 20mg/L rhodamine B, when adsorption equilibrium,
Adsorbance reaches 90%.Photocatalysis effect is shown simultaneously, but effect is not significant.
Comparative example 1
Step 1: by 1mmol Bi (NO3)3·5H2O and 5mmol HCOONa, which is placed in mortar, grinds 1.0h;
Step 2: washing after reaction nanocrystalline up to BiOHCOO.
Products therefrom XRD spectra as shown in figure 5, product is degraded under visible light 20mg/L rhodamine B as shown in fig. 6, light
It is 14% according to 120min degradation rate.
Comparative example 2
Step 1: by 1mmol Bi (NO3)3·5H2O and 5mmol HCOONa, which is placed in mortar, grinds 1.0h;
Step 2: 0.3mmol KI grinding 1.0h is added in the product that step 1 is obtained;
Step 3: washing, drying to obtain BiO (HCOO) after reaction0.7I0.3Solid solution
Product degrades 20mg/L rhodamine B as shown in fig. 6, degradation rate is 60% after illumination 120min under visible light.
Comparative example 3
Step 1: by 1mmol Bi (NO3)3·5H2O and 5mmol HCOONa, which is placed in mortar, grinds 1.0h;
Step 2: 0.3mmol KBr grinding 1.0h is added in the product that step 1 is obtained;
Step 3: washing, drying to obtain BiO (HCOO) after reaction0.7Br0.3Solid solution.
Products therefrom XRD spectra as shown in figure 5, product is degraded under visible light 20mg/L rhodamine B as shown in fig. 6, light
It is 30% according to degradation rate after 120min.
Claims (7)
1. a kind of BiO (HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst, it is characterised in that: the light
Catalyst is prepared using following steps:
Step 1: by Bi (NO3)3·5H2O and HCOONa mixed grinding;
Step 2: KI will be added in step 1 products therefrom, KBr continues to grind;
Step 3: washing is drying to obtain sheet BiO (HCOO) after reactionxIyBr1-x-yMischcrystal photocatalyst.
2. according to the method described in claim 1, it is characterized by: the raw material Bi (NO3)3·5H2O, HCOONa, KBr with
The molar ratio of KI is 1:5:0.3:0.3.
3. according to the method described in claim 1, it is characterized by: the milling time of the step 1 is 1h.
4. according to the method described in claim 1, it is characterized by: the addition KI, KBr be first be added KBr grinding 1h, then
KI is added and grinds 1h.
5. according to the method described in claim 1, it is characterized by: the mixed grinding is that raw material is placed in room temperature in mortar
Lower solid-phase grinding.
6. according to the method described in claim 1, it is characterized by: the washing is to make to be washed with deionized 3 times, ethyl alcohol
It washes primary.
7. according to the method described in claim 1, it is characterized by: the drying temperature is room temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910780478.3A CN110508320A (en) | 2019-08-22 | 2019-08-22 | BiO(HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910780478.3A CN110508320A (en) | 2019-08-22 | 2019-08-22 | BiO(HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110508320A true CN110508320A (en) | 2019-11-29 |
Family
ID=68627552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910780478.3A Pending CN110508320A (en) | 2019-08-22 | 2019-08-22 | BiO(HCOO)xIyBr1-x-yThe solid-phase grinding preparation method of mischcrystal photocatalyst |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110508320A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060027688A1 (en) * | 2004-08-09 | 2006-02-09 | Kim Jin D | Grinding method and product |
CN105236480A (en) * | 2014-07-03 | 2016-01-13 | 南京理工大学 | HCOOBiO nanocrystalline with unique morphology and preparation method therefor |
CN107497457A (en) * | 2017-06-12 | 2017-12-22 | 南阳师范学院 | A kind of Bi3O4Cl0.5Br0.5Mischcrystal photocatalyst and its preparation and application |
CN108786895A (en) * | 2018-07-06 | 2018-11-13 | 兰州大学 | BiOCOOH/g-C3N4Composite photo-catalyst and its preparation method and application |
CN109364958A (en) * | 2018-12-11 | 2019-02-22 | 江南大学 | A kind of Bi4O5BrxI2-xThe preparation method of mischcrystal photocatalyst |
-
2019
- 2019-08-22 CN CN201910780478.3A patent/CN110508320A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060027688A1 (en) * | 2004-08-09 | 2006-02-09 | Kim Jin D | Grinding method and product |
CN105236480A (en) * | 2014-07-03 | 2016-01-13 | 南京理工大学 | HCOOBiO nanocrystalline with unique morphology and preparation method therefor |
CN107497457A (en) * | 2017-06-12 | 2017-12-22 | 南阳师范学院 | A kind of Bi3O4Cl0.5Br0.5Mischcrystal photocatalyst and its preparation and application |
CN108786895A (en) * | 2018-07-06 | 2018-11-13 | 兰州大学 | BiOCOOH/g-C3N4Composite photo-catalyst and its preparation method and application |
CN109364958A (en) * | 2018-12-11 | 2019-02-22 | 江南大学 | A kind of Bi4O5BrxI2-xThe preparation method of mischcrystal photocatalyst |
Non-Patent Citations (1)
Title |
---|
MAOYUAN PENG等: "One-pot grinding method to BiO(HCOO)xI1-x solid solution with enhanced visible-light photocatalytic activity", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Jiang et al. | Preparation of magnetically retrievable flower-like AgBr/BiOBr/NiFe2O4 direct Z-scheme heterojunction photocatalyst with enhanced visible-light photoactivity | |
Gao et al. | Combustion synthesis of Bi/BiOCl composites with enhanced electron–hole separation and excellent visible light photocatalytic properties | |
CN106732524A (en) | A kind of α/β bismuth oxide phase heterojunction photocatalyst and its preparation method and purposes | |
CN108187700B (en) | Preparation method of silver iodide/plate-shaped bismuth-rich type bismuth oxyiodide composite photocatalytic material | |
CN104607178A (en) | Preparation method of bismuth tungstate-titanium dioxide heterojunction composite photocatalysis material | |
Wang et al. | The controllable synthesis of novel heterojunction CoO/BiVO4 composite catalysts for enhancing visible-light photocatalytic property | |
CN106914236A (en) | The amorphous state plasma hetero-junctions nano-TiO of efficient visible light response2Colloidal sol | |
CN102698775A (en) | BiOI-graphene visible light catalyst and preparation method thereof | |
CN105148983B (en) | Photochemical catalyst of dyestuff and preparation method thereof in a kind of degrading waste water | |
CN102728342A (en) | Preparation method of bismuth vanadate visible light photocatalysis material | |
CN103240073B (en) | Zn<2+>-doped BiVO4 visible-light-driven photocatalyst and preparation method thereof | |
CN109794271B (en) | Ultra-thin PbBiO with oxygen-enriched defect2Preparation method and application of Br nanosheet | |
CN105148972A (en) | Preparation method and application of novel catalyst for reducing nitrate nitrogen in water under visible light condition | |
CN103191725A (en) | BiVO4/Bi2WO6 composite semiconductor material as well as hydrothermal preparation method and application thereof | |
CN106166495B (en) | A kind of sulfur doping oxygen-starved TiO2The preparation method of photochemical catalyst | |
CN110180565A (en) | A kind of photochemical catalyst Bi5O7The synthetic method and its application of Br | |
CN102125831B (en) | Method for preparing mesoporous Bi2O3/TiO2 nano photocatalyst | |
CN109046313A (en) | A kind of preparation method and application of high activity cerium dioxide photocatalyst | |
CN107413343B (en) | Preparation method of magnetic cobaltosic oxide/cobalt hydroxide/reduced graphene oxide ternary heterojunction photocatalyst | |
CN102389836B (en) | Polyaniline/titanium dioxide/clay nanometer composite photocatalyst and preparation method thereof | |
CN109589985B (en) | Preparation method of doped nano zinc germanate and catalytic reduction of carbon dioxide by using doped nano zinc germanate | |
CN107497455A (en) | A kind of preparation method and applications of the ultra-thin Bismuth tungstate nano-sheet photochemical catalyst of Determination of Trace Sulfur surface modification | |
CN109133169B (en) | Bismuth vanadate and preparation method and application thereof | |
CN110354845A (en) | A kind of bismuth tungstate photocatalyst and its preparation method and application of carbon nano dot modification | |
CN102274719A (en) | Visible-light-responsive nano composite powder photocatalyst and preparation method thereof |
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 | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |