CN108339560A - A kind of amorphous FeOOHg-C3N4Composite nano materials and the preparation method and application thereof - Google Patents
A kind of amorphous FeOOHg-C3N4Composite nano materials and the preparation method and application thereof Download PDFInfo
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- CN108339560A CN108339560A CN201710213663.5A CN201710213663A CN108339560A CN 108339560 A CN108339560 A CN 108339560A CN 201710213663 A CN201710213663 A CN 201710213663A CN 108339560 A CN108339560 A CN 108339560A
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- 239000002086 nanomaterial Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 49
- 229910002588 FeOOH Inorganic materials 0.000 claims abstract description 14
- 239000002105 nanoparticle Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 238000007146 photocatalysis Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000013507 mapping Methods 0.000 description 4
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 4
- 238000004611 spectroscopical analysis Methods 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002114 nanocomposite Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000724 energy-dispersive X-ray spectrum Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000005909 ethyl alcohol group Chemical group 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009777 vacuum freeze-drying 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
- 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—
Abstract
The invention discloses a kind of amorphous FeOOHg C3N4Composite nano materials and the preparation method and application thereof.The FeOOHg C3N4Composite nano materials are FeOOH nanoparticle and nanometer g C3N4Compound particle.In the material, the method for using easy in-situ deposition, and also since its raw material is easily obtained, low cost is convenient for large-scale industrial production.In producing preparation process, a FeOOH nanoparticle sizes of acquisition are minimum, g C3N4Nanometer sheet is ultra-thin, this is advantageous for ultra-fine a FeOOH and g C3N4Compound tense produces more effective hetero-junctions and further improves nano material a FeOOH and g C3N4Between synergistic effect, while ultra-fine nano particle shortens the diffusion length of photo-generated carrier, reduces the loss of photo-generated carrier, to improve the photocatalysis performance of material.
Description
Technical field
The present invention relates to a kind of nano material, more particularly to a kind of amorphous FeOOHg-C3N4Composite nano materials and its system
Preparation Method and application.
Background technology
In recent years, with global industryization and economic continuous development, problem of environmental pollution getting worse.Currently, partly leading
Body photocatalysis technology due to its can poisonous and hazardous organic pollutant degradation for non-toxic products be considered as solve environment
The important channel of pollution problem.But Photocatalitic Technique of Semiconductor still has many defects, such as photoresponse range and light are urged
It is low to change efficiency.Therefore, there is the novel photocatalyst of high visible response and high photocatalysis efficiency to have become one and compel for development
The work cut.
In the oxide and hydroxide of iron, amorphous FeOOH (a-FeOOH) is because it is ultraviolet and visible light
The performance of good photocatalytic degradation is shown under radiation and by extensive.A-FeOOH is easy to obtain from nature, nothing
Poison, it is corrosion-resistant and inexpensive, and the band gap relative narrower of a-FeOOH.In these advantages, narrow band gap is of crucial importance
, it, which represents a-FeOOH, has wide photoresponse range, can absorb visible light, this is before realizing high photocatalysis efficiency
It carries.
Non-metal semiconductor materials graphite phase carbon nitride (g-C3N4) showed in terms of the photocatalytic degradation to organic pollution
Go out good performance and the extensive concern by researcher, this is mainly due to its unique three-layer laminated structure, relatively
Narrow band gapAnd the features such as low cost.But the shortcomings of quantum efficiency is low and visible light-responded narrow range, limits
G-C is made3N4Extensive use.Currently, scientists take many measures to solve these problems, including with carbon material or
The doping of the combination of other semiconductors, metal and/or nonmetallic materials, the construction etc. of hetero-junctions.But it all cannot be fundamentally
Enhancing visible absorption range simultaneously improves photogenerated charge separation and transfer.
Invention content
The purpose of the present invention is to provide a kind of amorphous FeOOHg-C3N4Composite nano materials and preparation method thereof with answer
With.
A kind of amorphous FeOOHg-C3N4Composite nano materials, the FeOOHg-C3N4Composite nano materials are nanometer
FeOOH and nanometer g-C3N4Compound particle;
(1) it takes urea to be put into crucible, closes the lid, be put into Muffle furnace, then first time high temperature sintering drops temperature
Down to room temperature, the g-C that will be sintered3N4Lid lid, which is not placed again into Muffle furnace, carries out second of high temperature sintering, is cooled to room temperature
Afterwards, it is further dried by ion water washing and in vacuum drying oven and obtains g-C3N4Nanometer sheet;
(2) Iron trichloride hexahydrate is dissolved in absolute ethyl alcohol, then, then by g-C3N4Nanometer sheet is added in solution and surpasses
Sound stirs 1-3 hours, then, then adds NH into suspension4HCO3, and continue to be stirred to react 6-10 hours, finally, collect production
Object is simultaneously washed with absolute ethyl alcohol, and processing is dried by vacuum freeze drier.
The first time high temperature sintering sets heating rate as 2.5 DEG C/min, and temperature is 550 DEG C, soaking time 240min.
Second of high temperature sintering sets heating rate as 5 DEG C/min, and temperature is 500 DEG C, soaking time 120min.
The Iron trichloride hexahydrate dosage is 1mmoL;The absolute ethyl alcohol dosage is 150mL;The NH4HCO3Dosage be
3mmoL;The g-C3N4Dosage be 300mg, 400mg, 500mg, 600mg, 700mg, 800mg or 900mg.
Above-mentioned amorphous FeOOHg-C3N4Application of the composite nano materials in degradable organic pollutant.
Compared with prior art, the present invention has the advantages that:Preparing composite material a-FeOOHg-C3N4When, it adopts
With the method for easy in-situ deposition, and since its raw material is easily obtained, low cost.Therefore, a-FeOOHg-C3N4It is convenient for
Large-scale industrial production.In producing preparation process, the a-FeOOH nanoparticle sizes of acquisition are minimum, g-C3N4Nanometer
Piece is ultra-thin.This is advantageous for ultra-fine a-FeOOH and g-C3N4Compound tense produces more effective hetero-junctions and further
Improve nano material a-FeOOH and g-C3N4Between synergistic effect, while ultra-fine nano particle shortens photo-generated carrier
Diffusion length, reduce the loss of photo-generated carrier, to improve the photocatalysis performance of material.In construction a-FeOOHg-
C3N4When hetero-junctions, a-FeOOH and g-C3N4All there is suitable band structure, this is advantageous for the formation of hetero-junctions, reduces
Photo-generated carrier compound simultaneously further improves light-catalysed efficiency.
Description of the drawings
Fig. 1 is the XRD spectrum of CNNS and a-FeOOH/CNNS composite materials.
Fig. 2 is CNNS, the FT-IR collection of illustrative plates of a-FeOOH and a-FeOOH/CNNS composite materials.
Fig. 3 (A) and (B) are the high-resolution spectroscopy of the C1s and N1s of a-FeOOH/CNNS-800 composite materials;(C) and
(D) be a-FeOOH/CNNS-800 composite materials Fe2p and O1s high-resolution spectroscopy.
(A) the UV-vis diffusing reflection spectrums of Fig. 4 CNNS, a-FeOOH and a-FeOOH/CNNS composite materials and (B) number are shone
Piece.
Fig. 5 (A) CNNS, (B) a-FeOOH/CNNS-400 composite materials, (C) a-FeOOH/CNNS-600 composite materials and
(D) SEM image of a-FeOOH/CNNS-800 composite materials.
Fig. 6 (A) and (D) a-FeOOH, (B) and (E) a-FeOOH/CNNS-800 composite materials and (C) and (F) CNNS are compound
The TEM image of material.
The element mapping graph and EDX spectrum of Fig. 7 a-FeOOH/CNNS-800 composite materials.
The photocatalytic activity that photochemical catalyst prepared by Fig. 8 (A) degrades to RhB under radiation of visible light;(B) radiation of visible light
Lower prepared photochemical catalyst is to RhB, the photocatalytic activity of MB, MO degradation;(C) under visible light illumination by a-FeOOH/
The absorption spectrum of the RhB of CNNS-800 composite degradations;(D) it is dropped under visible light illumination by a-FeOOH/CNNS composite materials
The corresponding digital photos of RhB of solution.
The rate constant that photochemical catalyst prepared by Fig. 9 (A) degrades to RhB;(B) RhB that degrades, the preparation of MB, MO are used for
Photochemical catalyst rate constant.
Figure 10 (A) a-FeOOH/CNNS-800 composite materials stability that RhB degrades under visible light illumination.(B) can
Under light-exposed irradiation, the free radical capture experiment in a-FeOOH/CNNS-800 composite materials in RhB Photocatalytic Degradation Process.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
The preparation of 1 ultra-fine a-FeOOH of embodiment
Under conditions of being stirred continuously, by the Iron trichloride hexahydrate (FeCl of 1mmoL3·6H2O) it is dissolved into the anhydrous second of 150mL
In alcohol.Then, during stirring, the ammonium hydrogen carbonate (NH of 3mmoL is added4HCO3), and solution is stirred 8 hours.Most
Afterwards, it collects product and is washed with absolute ethyl alcohol, and be dried by vacuum freeze drier, to obtain ultra-fine a-FeOOH.
Embodiment 2a-FeOOHg-C3N4The preparation (a-FeOOH/CNNS) of nanocomposite
It takes urea to be put into crucible, closes the lid, be put into Muffle furnace, set heating rate as 2.5 DEG C/min, temperature is
550 DEG C, soaking time 240min.After temperature reduces, the g-C that will sinter3N4Lid lid, which is not placed again into Muffle furnace, continues height
Temperature sintering, heating rate are 5 DEG C/min, 500 DEG C of temperature, soaking time 120min.After being cooled to room temperature, pass through ion water washing
And the ultra-thin CNNS needed for obtaining is further dried in vacuum drying oven.
By the FeCl of 1mmoL3·6H2O is dissolved in 150mL absolute ethyl alcohols.Then, then by a certain amount of g-C3N4Nanometer
Piece is added in solution and is stirred by ultrasonic 2 hours so that g-C3N4Nanometer sheet is disperseed.Then, then into suspension it is added 3mmoL's
NH4HCO3, and continue to be stirred to react 8 hours.Finally, it collects product and is washed with absolute ethyl alcohol, and pass through vacuum freeze drying
Processing is dried in machine.In this preparation, 300mg, 400mg, 500mg will be separately added into, 600mg, 700mg, 800mg and
The g-C of 900mg3N4Nanometer sheet prepares a-FeOOH/CNNS nanocomposites, and is respectively designated as a-FeOOH/CNNS-
300, a-FeOOH/CNNS-400, a-FeOOH/CNNS-500, a-FeOOH/CNNS-600, a-FeOOH/CNNS-700, a-
FeOOH/CNNS-800 and a-FeOOH/CNNS-900.
The a-FeOOHg-C of preparation3N4Nanocomposite XRD spectrum is as shown in Figure 1.In pure g-C3N4The XRD of nanometer sheet
In collection of illustrative plates, (100) and (002) that the diffraction maximum at 13.1 ° and 27.8 ° corresponds respectively to graphite phase carbon nitride nanometer sheet are spread out
Penetrate face.But the diffraction maximum of a-FeOOH is not all shown in all XRD spectrums of a-FeOOH/CNNS composite materials, this
It may be the amorphous feature due to a-FeOOH in composite material.
FT-IR collection of illustrative plates is as shown in Figure 2.For a-FeOOH/CNNS-300, a-FeOOH/CNNS-400, a-FeOOH/
CNNS-500, a-FeOOH/CNNS-600, a-FeOOH/CNNS-700, a-FeOOH/CNNS-800 and a-FeOOH/CNNS-900
FT-IR collection of illustrative plates, more no notable difference with CNNS collection of illustrative plates, show the introducing of a-FeOOH do not change CNNS chemistry knot
Structure, Fig. 3 (A) and (B) are the high-resolution spectroscopy of the C1s and N1s of a-FeOOH/CNNS-800 composite materials;(C) and (D) is a-
The high-resolution spectroscopy of the Fe2p and O1s of FeOOH/CNNS-800 composite materials.In the collection of illustrative plates of XPS, the peak value of composite material
Corresponding chemical bond demonstrates the presence of a-FeOOH and CNNS.
Fig. 4 is CNNS, (A) the UV-vis diffusing reflection spectrums of a-FeOOH and a-FeOOH/CNNS composite materials and (B) number
Photo.The energy bandwidth of CNNS (2.73eV) and a-FeOOH (1.51-1.55eV) can be obtained from the UV-vis spectrograms that diffuse
Degree;The increase with a-FeOOH is shown simultaneously, and compared with CNNS, the absorption region of the spectrum of a-FeOOH/CNNS gradually increases
Greatly, the absorption region of light is extended to visible light region, what the variation of this and composite material color was consistent with.
Fig. 5 (A) CNNS, (B) a-FeOOH/CNNS-400 composite materials, (C) a-FeOOH/CNNS-600 composite materials and
(D) SEM image of a-FeOOH/CNNS-800 composite materials.Fig. 6 (A) and (D) a-FeOOH, (B) and (E) a-FeOOH/CNNS-
The TEM image of 800 composite materials and (C) and (F) CNNS composite materials.It can be seen that CNNS has ultra-thin receive in SEM and TEM
Rice chip architecture, but may be ultra-fine due to the particle size of a-FeOOH, it is not shown on SEM and TEM, therefore connect again
EDX and Mapping can be used to carry out elemental analysis in characterization of getting off
The element mapping graph and EDX spectrum of Fig. 7 a-FeOOH/CNNS-800 composite materials.In Mapping and EDX collection of illustrative plates
In, detect the presence of tetra- kinds of elements of Fe, O, C and N, it was demonstrated that a-FeOOH and CNNS compound successes.
The photocatalytic activity that photochemical catalyst prepared by Fig. 8 (A) degrades to RhB under radiation of visible light;(B) radiation of visible light
Lower prepared photochemical catalyst is to RhB, the photocatalytic activity of MB, MO degradation;(C) under visible light illumination by a-FeOOH/
The absorption spectrum of the RhB of CNNS-800 composite degradations;(D) it is dropped under visible light illumination by a-FeOOH/CNNS composite materials
The corresponding digital photos of RhB of solution.The rate constant that photochemical catalyst prepared by Fig. 9 (A) degrades to RhB;(B) it is used to degrade
The rate constant of the photochemical catalyst of the preparation of RhB, MB, MO.It can be obtained from Fig. 8 and Fig. 9:Under visible light when degradation RhB, a-
FeOOH/CNNS-800(0.0107min-1) possess higher photocatalysis efficiency, with pure CNNS (0.0006min-1) compare, light is urged
Change rate and improve 17.8 times, the wherein rate constant of material is CNNS (0.0006min respectively-1),a-FeOOH/CNNS-300
(0.0023min-1),a-FeOOH/CNNS-400(0.0034min-1),a-FeOOH/CNNS-500(0.0042min-1),a-
FeOOH/CNNS-600(0.0057min-1),a-FeOOH/CNNS-700(0.008min-1)anda-FeOOH/CNNS-900
(0.0071min-1).And a-FeOOH/CNNS composite materials have certain degradation effect for other dyestuffs (MB, MO), tool
There is universality.
Figure 10 (A) a-FeOOH/CNNS-800 composite materials stability that RhB degrades under visible light illumination.(B) can
Under light-exposed irradiation, the free radical capture experiment in a-FeOOH/CNNS-800 composite materials in RhB Photocatalytic Degradation Process.a-
The stability test of FeOOH/CNNS-800 composite materials shows that composite material has splendid stability, the capture of free radical real
It tests and illustrates OH and h+It has a certain impact for the degradation of a-FeOOH/CNNS composite materials.
Disclosed above is only specific embodiments of the present invention, and still, the present invention is not limited to this, any this field
What technical staff can think variation should all fall into protection scope of the present invention.
Claims (5)
1. a kind of amorphous FeOOHg-C3N4Composite nano materials, which is characterized in that the FeOOHg-C3N4Composite nano materials
For FeOOH nanoparticle and nanometer g-C3N4Compound particle;
(1) it takes urea to be put into crucible, closes the lid, be put into Muffle furnace, then temperature is reduced to by first time high temperature sintering
Room temperature, the g-C that will be sintered3N4Lid lid, which is not placed again into Muffle furnace, carries out second of high temperature sintering, after being cooled to room temperature,
It is further dried by ion water washing and in vacuum drying oven and obtains g-C3N4Nanometer sheet;
(2) Iron trichloride hexahydrate is dissolved in absolute ethyl alcohol, then, then by g-C3N4Nanometer sheet is added in solution and ultrasound is stirred
It mixes 1-3 hours, then, then adds NH into suspension4HCO3, and continue to be stirred to react 6-10 hours, finally, collect product simultaneously
It is washed with absolute ethyl alcohol, and processing is dried by vacuum freeze drier.
2. a kind of amorphous FeOOHg-C according to claim 13N4Composite nano materials, which is characterized in that the first time
High temperature sintering sets heating rate as 2.5 DEG C/min, and temperature is 550 DEG C, soaking time 240min.
3. a kind of amorphous FeOOHg-C according to claim 13N4Composite nano materials, which is characterized in that described second
High temperature sintering sets heating rate as 5 DEG C/min, and temperature is 500 DEG C, soaking time 120min.
4. a kind of amorphous FeOOHg-C according to claim 13N4Composite nano materials, which is characterized in that the six water chlorine
Change iron dosage is 1mmoL;The absolute ethyl alcohol dosage is 150mL;The NH4HCO3Dosage be 3mmoL;The g-C3N4's
Dosage is 300mg, 400mg, 500mg, 600mg, 700mg, 800 mg or 900mg.
5. amorphous FeOOHg-C described in claim 13N4Application of the composite nano materials in degradable organic pollutant.
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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 |
CN109607675A (en) * | 2019-01-14 | 2019-04-12 | 长江大学 | Visible light-responded high-efficiency composite photocatalyst g-C3N4/ alpha-feooh/Ag preparation method |
CN109772355A (en) * | 2019-03-11 | 2019-05-21 | 辽宁石油化工大学 | Amorphous FeOOH/alum acid bismuth composite photocatalyst material preparation method |
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 |
CN113083348A (en) * | 2021-04-22 | 2021-07-09 | 合肥工业大学 | Rod-shaped alpha-FeOOH/g-C3N4Preparation method of composite material photocatalyst |
CN113318768A (en) * | 2021-06-23 | 2021-08-31 | 北京中环鑫汇科技有限公司 | Composite photocatalyst and preparation method thereof |
CN114082419A (en) * | 2020-08-03 | 2022-02-25 | 湖南师范大学 | Amorphous hydroxide catalyst prepared by mechanical stirring method and research on efficient water electrolysis hydrogen production |
CN117696100A (en) * | 2024-02-06 | 2024-03-15 | 太原科技大学 | g-C 3 N 4 / FeOOH /Cu 2 O nano heterojunction photocatalyst, and preparation method and application thereof |
CN117696100B (en) * | 2024-02-06 | 2024-04-16 | 太原科技大学 | G-C3N4/ FeOOH /Cu2O nano heterojunction photocatalyst, and preparation method and application thereof |
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