CN113426465A - g-C3N4@ FeOOH heterojunction material and preparation method thereof - Google Patents
g-C3N4@ FeOOH heterojunction material and preparation method thereof Download PDFInfo
- Publication number
- CN113426465A CN113426465A CN202110549073.6A CN202110549073A CN113426465A CN 113426465 A CN113426465 A CN 113426465A CN 202110549073 A CN202110549073 A CN 202110549073A CN 113426465 A CN113426465 A CN 113426465A
- Authority
- CN
- China
- Prior art keywords
- feooh
- heterojunction material
- preparation
- certain
- steps
- 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
- 229910002588 FeOOH Inorganic materials 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 66
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 239000000243 solution Substances 0.000 claims abstract description 23
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims abstract description 22
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 16
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 16
- 238000000137 annealing Methods 0.000 claims abstract description 16
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910001868 water Inorganic materials 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000002244 precipitate Substances 0.000 abstract description 12
- 230000001699 photocatalysis Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 3
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- -1 superoxide anions Chemical class 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
- 229940012189 methyl orange Drugs 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- B01J27/24—Nitrogen compounds
-
- B01J35/39—
-
- B01J35/40—
Abstract
The invention relates to a g-C3N4The @ FeOOH heterojunction material and the preparation method thereof comprise the following steps: a. mixing a certain amount of melamine with a certain amount of ammonium chloride, grinding uniformly, and transferring into a crucible; b. putting the crucible into a muffle furnace, heating to a certain temperature at a certain heating rate, and annealing for a plurality of hours to obtain yellow powder A; c. weighing a certain amount of ferric sulfate and sodium hydroxide, respectively dissolving in deionized water, and mixing the two solutions after the ferric sulfate and the sodium hydroxide are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for a certain time, pouring into a hydrothermal reaction kettle, reacting at constant temperature for a certain time, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol for several times, and drying to obtain g-C3N4@ FeOOH heterojunction material. The invention has the advantages of cheap and easily obtained raw materials, simple synthesis process, low cost, short reaction period and no pollution to the environment,has excellent visible light photocatalysis performance and wide application in energy and environment protection industry.
Description
Technical Field
The invention belongs to the field of photocatalytic nano materials and preparation process technology and application thereof, and relates to g-C3N4A preparation method of @ FeOOH heterojunction material.
Background
g-C3N4TiO used as novel non-metal photocatalytic material and traditional photocatalyst2Comparative example g-C3N4The absorption spectrum range is wider, and the photocatalysis effect can be realized only under common visible light without ultraviolet light; at the same time, compared with TiO2，g-C3N4Can effectively activate molecular oxygen, generate superoxide radical for catalytic conversion of organic functional groups and catalytic degradation of organic pollutants, and is suitable for indoor air pollution treatment and organic matter degradation.
FeOOH is used as a semiconductor, and the energy gap width of the FeOOH is narrower than that of TiO2Under illumination, HO generated in the FeOOH photocatalytic reaction aqueous solution has extremely strong oxidizing property, and can indiscriminately oxidize organic matters in water. Under the irradiation of visible light, valence band electrons of FeOOH undergo band-to-band transition to generate photogenerated electrons (e) and holes (h). O adsorbed on the surface of the photocatalyst2Electrons are trapped to form superoxide anions (O), and then holes are adsorbed to hydroxide ions (OH) and water (H) on the surface of the photocatalyst2O) to a hydroxyl radical (. HO). HO has a strong oxidizing power, and can oxidize most of the organic substances, finally converting them into CO2、H2O, inorganic salts and the like, and promote the harmlessness of most organic pollutants. FeOOH has the advantages of easy preparation, low price, environmental protection and the like, and is one of semiconductor photocatalytic materials with promising development prospect.
In view of this, the present invention seeks to prepare a g-C by thermal and hydrothermal processes3N4@ FeOOH heterojunction material.
Disclosure of Invention
The invention aims to solve the primary technical problemProvides a g-C with simple process, low cost, short reaction period, uniformity and good photocatalytic performance3N4A preparation method of @ FeOOH heterojunction material.
g-C3N4The preparation method of the @ FeOOH heterojunction material comprises the following steps:
a. mixing a certain amount of melamine with a certain amount of ammonium chloride, grinding uniformly, and transferring into a crucible;
b. putting the crucible into a muffle furnace, heating to a certain temperature at a certain heating rate, and annealing for a plurality of hours to obtain yellow powder A;
c. weighing a certain amount of ferric sulfate and sodium hydroxide, respectively dissolving in deionized water, and mixing the two solutions after the ferric sulfate and the sodium hydroxide are fully dissolved;
d. pouring the yellow powder into the mixed solution, stirring for a certain time, pouring into a hydrothermal reaction kettle, reacting at constant temperature for a certain time, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol for several times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Further, the amount of melamine in the step a is 2-10g, and the amount of ammonium chloride is 5-25 g; the stirring time is 20-30 min.
Furthermore, the temperature rise rate in the step b is 0.5-2.5 ℃/min, the reaction temperature is 400-700 ℃, and the annealing time is 1-4 h.
Further, the amount of ferric sulfate in the step c is 3-10g, and the amount of sodium hydroxide is 3-10 g; the deionized water is 15-30 ml.
Further, in the step d, the stirring time is 5-20min, the reaction temperature is 150-.
By the combination of the thermal treatment and the hydrothermal method of the present invention, g-C can be obtained directly3N4The @ FeOOH heterojunction material has good photocatalytic performance. Wherein g-C3N4Is in a fibrous structure, has larger specific surface area, and FeOOH nano particles are uniformly dispersed in g-C3N4Is a fibrous structure surface, and can effectively integrate g-C3N4Compared with FeOOH, the method improves the photocatalytic performance of the material, and the method is simple, simple in process, low in cost, short in reaction period, uniform and good in photocatalytic performance.
Drawings
FIG. 1 is g-C prepared in example 13N4Scanning electron microscope photo of @ FeOOH heterojunction material.
Detailed Description
The following examples are presented to further illustrate the methods of the present invention and are not intended to limit the invention to these examples.
A g-C in this application3N4The preparation method of the @ FeOOH heterojunction material comprises the following steps: mixing a certain amount of melamine with a certain amount of ammonium chloride, grinding uniformly, and transferring into a crucible; putting the crucible into a muffle furnace, heating to a certain temperature at a certain heating rate, and annealing for a plurality of hours to obtain yellow powder A; weighing a certain amount of ferric sulfate and sodium hydroxide, respectively dissolving in deionized water, and mixing the two solutions after the ferric sulfate and the sodium hydroxide are fully dissolved; pouring the yellow powder into the mixed solution, stirring for a certain time, pouring into a hydrothermal reaction kettle, reacting at constant temperature for a certain time, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol for several times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
The method comprises the following specific steps:
example 1:
g-C3N4The preparation method of the @ FeOOH heterojunction material comprises the following steps: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A which is in a nanofiber structure; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2 hr, naturally cooling to room temperature, centrifuging, washing the precipitate with waterWashed with alcohol three times, and dried to obtain g-C3N4@ FeOOH heterojunction material. As shown in FIG. 1, the present application obtains uniform g-C3N4@ FeOOH fibrous heterojunction material, where g-C3N4Is of nanofibrous structure, in g-C3N4And uniform FeOOH nanoparticles are formed on the surface of the nano fibrous structure, wherein the FeOOH nanoparticles are 20-50 nm. The g-C is characterized by photocatalytic performance under the same condition3N4The catalytic efficiency of the @ FeOOH fibrous heterojunction material to methyl orange is higher than that of FeOOH nano-particles and g-C3N4The nanofiber-like structure shows that the catalytic effect of the catalyst is high.
Example 2:
this example differs from example 1 in that the amounts of melamine and ammonium chloride in step a were changed to 8g and 20g, respectively, and the rest was the same as example 1, specifically as follows: a. mixing 8g of melamine with 20g of ammonium chloride, grinding for 30min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol for three times, drying to obtain g-C with uniform size3N4@ FeOOH heterojunction material.
Example 3:
the difference between this example and example 1 is that the temperature increase rate in step b is changed to 2 ℃/min, and the rest is the same as example 1, specifically as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 2 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle,reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 4:
this example differs from example 1 in that the reaction temperature in step b was changed to 600 ℃ and otherwise the same as example 1, as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 600 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 20ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 5:
the difference between this example and example 1 is that the annealing time in step b is changed to 3h, and the rest is the same as example 1, specifically as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 3h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 6:
this example differs from example 1 in that the amounts of ferric sulfate and sodium hydroxide in step c were changed to 8g and 7.2g, otherwise the same as example 1, specifically as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. the crucible is put into a muffle furnace, the temperature is raised to 550 ℃ at the heating rate of 1 ℃/min,annealing for 2h to obtain yellow powder A; c. weighing 8g of ferric sulfate and 7.2g of sodium hydroxide, respectively dissolving 28ml of ferric sulfate and 7.2g of sodium hydroxide in deionized water, and mixing the two solutions after the ferric sulfate and the sodium hydroxide are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 7:
the difference between this example and example 1 is that the stirring time in step d is changed to 15min, and the rest is the same as example 1, specifically as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 15min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 8:
this example differs from example 1 in that the reaction temperature was changed to 300 ℃ in step d, and the other steps are the same as in example 1, specifically as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 300 deg.C for 2h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
Example 9:
this example differs from example 1 in the reaction in step dThe time is changed to 4h, and the rest is the same as that of the embodiment 1, and the specific steps are as follows: a. mixing 4g of melamine with 10g of ammonium chloride, grinding for 20min uniformly, and transferring the mixture into a crucible; b. putting the crucible into a muffle furnace, heating to 550 ℃ at the heating rate of 1 ℃/min, and annealing for 2h to obtain yellow powder A; c. weighing 4g of ferric sulfate and 3.6g of sodium hydroxide, respectively dissolving in 15ml of deionized water, and mixing the two solutions after the two solutions are fully dissolved; d. pouring the yellow powder into the mixed solution, stirring for 10min, pouring into a hydrothermal reaction kettle, reacting at 220 deg.C for 4h, naturally cooling to room temperature, centrifuging, washing the precipitate with water and ethanol respectively for three times, and drying to obtain g-C3N4@ FeOOH heterojunction material.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (9)
1. g-C3N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps of:
a. mixing a certain amount of melamine with a certain amount of ammonium chloride, and uniformly grinding;
b. putting the uniformly ground material into a muffle furnace, heating to a certain temperature at a certain heating rate, and annealing to obtain yellow powder A;
c. weighing a certain amount of ferric sulfate and sodium hydroxide, respectively dissolving in deionized water, and mixing the two solutions after the ferric sulfate and the sodium hydroxide are fully dissolved to form a mixed solution;
d. c, pouring the yellow powder into the mixed solution obtained in the step c, stirring for a certain time, pouring into a hydrothermal reaction kettle, reacting for a certain time at a constant temperature, and naturally cooling to room temperatureCentrifuging, washing with water, washing with alcohol, and drying to obtain g-C3N4@ FeOOH heterojunction material.
2. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: the amount of melamine in the step a is 2-10g, and the amount of ammonium chloride is 5-25 g.
3. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: the grinding time in the step a is 20-30 min.
4. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: the temperature rise rate of the step b is 0.5-2.5 ℃/min, the reaction temperature is 400-700 ℃, and the annealing time is 1-4 h;
5. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: the amount of ferric sulfate in the step c is 3-10g, the amount of sodium hydroxide is 3-10g, and the amount of deionized water is 15-30 ml.
6. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: and d, stirring for 5-20min in the step d.
7. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: in the step d, the reaction temperature is 150-.
8. g-C as claimed in claim 13N4The preparation method of the @ FeOOH heterojunction material is characterized by comprising the following steps: and (d) washing with water and alcohol in the step d three times respectively.
9. Use of a g-C according to any of claims 1 to 83N4g-C prepared by preparation method of @ FeOOH heterojunction material3N4@ FeOOH heterojunction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549073.6A CN113426465A (en) | 2021-05-20 | 2021-05-20 | g-C3N4@ FeOOH heterojunction material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549073.6A CN113426465A (en) | 2021-05-20 | 2021-05-20 | g-C3N4@ FeOOH heterojunction material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113426465A true CN113426465A (en) | 2021-09-24 |
Family
ID=77802605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110549073.6A Pending CN113426465A (en) | 2021-05-20 | 2021-05-20 | g-C3N4@ FeOOH heterojunction material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113426465A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026579A1 (en) * | 2010-08-26 | 2012-03-01 | エム・テクニック株式会社 | Method for manufacturing isolatable oxide microparticles or hydroxide microparticles |
| CN105126893A (en) * | 2015-08-31 | 2015-12-09 | 中国科学院过程工程研究所 | Graphite-phase carbon nitride (g-C3N4) material and preparation method and application thereof |
| CN107394148A (en) * | 2017-07-13 | 2017-11-24 | 陕西科技大学 | A kind of preparation method of the sandwich lamellar structure lithium ion battery negative materials of graphene-supported α FeOOH |
| CN109046428A (en) * | 2018-08-22 | 2018-12-21 | 广州大学 | A kind of mesoporous class graphite phase carbon nitride and its preparation method and application |
| CN109317184A (en) * | 2018-11-13 | 2019-02-12 | 武汉工程大学 | Difunctional β-FeOOH/eg-C3N4Composite nano materials and its preparation method and application |
| CN109999887A (en) * | 2019-04-30 | 2019-07-12 | 合肥工业大学 | A kind of β-FeOOH/g-C3N4The preparation method of heterojunction photocatalysis material |
| CN111841615A (en) * | 2020-08-20 | 2020-10-30 | 盐城工学院 | g-C3N4/CDs/beta-FeOOH photocatalytic material and preparation method thereof |
-
2021
- 2021-05-20 CN CN202110549073.6A patent/CN113426465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026579A1 (en) * | 2010-08-26 | 2012-03-01 | エム・テクニック株式会社 | Method for manufacturing isolatable oxide microparticles or hydroxide microparticles |
| CN105126893A (en) * | 2015-08-31 | 2015-12-09 | 中国科学院过程工程研究所 | Graphite-phase carbon nitride (g-C3N4) material and preparation method and application thereof |
| CN107394148A (en) * | 2017-07-13 | 2017-11-24 | 陕西科技大学 | A kind of preparation method of the sandwich lamellar structure lithium ion battery negative materials of graphene-supported α FeOOH |
| CN109046428A (en) * | 2018-08-22 | 2018-12-21 | 广州大学 | A kind of mesoporous class graphite phase carbon nitride and its preparation method and application |
| CN109317184A (en) * | 2018-11-13 | 2019-02-12 | 武汉工程大学 | Difunctional β-FeOOH/eg-C3N4Composite nano materials and its preparation method and application |
| CN109999887A (en) * | 2019-04-30 | 2019-07-12 | 合肥工业大学 | A kind of β-FeOOH/g-C3N4The preparation method of heterojunction photocatalysis material |
| CN111841615A (en) * | 2020-08-20 | 2020-10-30 | 盐城工学院 | g-C3N4/CDs/beta-FeOOH photocatalytic material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Shirsath et al. | Ultrasound assisted synthesis of doped TiO2 nano-particles: characterization and comparison of effectiveness for photocatalytic oxidation of dyestuff effluent | |
| Tian et al. | Microwave-induced crystallization of AC/TiO2 for improving the performance of rhodamine B dye degradation | |
| CN106732524B (en) | Alpha/beta-bismuth oxide phase heterojunction photocatalyst and preparation method and application thereof | |
| CN102335602B (en) | Bismuth tungstate composite photocatalyst, preparation method thereof, and application thereof | |
| CN101518730B (en) | Composite nanometer titanium dioxide photocatalysis material and preparation method thereof | |
| CN105797753A (en) | MoS2/TiO2 two-dimensional composite nanometer photocatalyst and preparation method and application thereof | |
| CN108940332B (en) | High-activity MoS2/g-C3N4/Bi24O31Cl10Preparation method of composite photocatalyst | |
| CN111229285B (en) | ZnO/TiO 2 /g-C 3 N 4 Composite photocatalyst and preparation method thereof | |
| CN105236479A (en) | Preparation method of high activity oxidized nanocrystalline cellulose based titanium dioxide | |
| CN102989444B (en) | Cerium ion doped tungsten trioxide catalyst and preparation method and application thereof | |
| CN111945249B (en) | Beaded iron molybdate nanofiber photocatalyst and preparation method and application thereof | |
| CN109482168A (en) | A kind of lignin carbon/nanometer titanium dioxide compound photocatalyst and its preparation method and application | |
| CN106362768B (en) | A kind of honeycomb ceramic plate loads TiO2The preparation technology of the immobilized photochemical catalysts of-NCP | |
| CN105439198A (en) | Preparation method of nano-titanium dioxide powder with high ethanol and water dispersibility | |
| CN106238088B (en) | A kind of polymolecularity g-C3N4/TiO2Photocatalyst inorganic aqueous sol preparation method | |
| CN100503036C (en) | Cation S and anion N doped one-dimensional nano-structured Ti0* photocatalyst and method of producing the same | |
| CN108525651B (en) | Preparation method of reduced titanium dioxide with high photocatalytic activity | |
| CN101518731B (en) | Composite nanometer phosphotungstic acid-titanium dioxide photocatalysis material and preparation method thereof | |
| CN102716742B (en) | Visible light degradation agent for dyeing wastewater treatment and preparation method of visible light degradation agent | |
| CN103127885A (en) | Sonochemistry preparing method of nitrogen and rare earth element codope nanometer titania crystal | |
| CN106311240B (en) | A kind of preparation method of spherical shape hierarchical organization cobalt titanate-titanium dioxide composite nano material | |
| CN113426465A (en) | g-C3N4@ FeOOH heterojunction material and preparation method thereof | |
| CN104923197A (en) | Compound sol preparing method with efficient photocatalytic performance | |
| Ansari et al. | Effect of calcination process on the gas phase photodegradation by CuO-Cu2O/TiO2 nanocomposite photocatalyst | |
| CN110075821A (en) | A kind of TiO2/SiO2/ZrO2Composite visible light catalyst 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210924 |
|
| WD01 | Invention patent application deemed withdrawn after publication |