CN106994355A - A kind of graphene quantum dot/SnS2The preparation method of nanometer sheet composite photo-catalyst - Google Patents
A kind of graphene quantum dot/SnS2The preparation method of nanometer sheet composite photo-catalyst Download PDFInfo
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- CN106994355A CN106994355A CN201710250266.5A CN201710250266A CN106994355A CN 106994355 A CN106994355 A CN 106994355A CN 201710250266 A CN201710250266 A CN 201710250266A CN 106994355 A CN106994355 A CN 106994355A
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- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 30
- 239000002096 quantum dot Substances 0.000 title claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 239000002131 composite material Substances 0.000 title claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 235000014121 butter Nutrition 0.000 claims abstract description 9
- 239000005864 Sulphur Substances 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 4
- -1 amino graphene Chemical compound 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 2
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 claims description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000001699 photocatalysis Effects 0.000 abstract description 10
- 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 abstract description 8
- 229940012189 methyl orange Drugs 0.000 abstract description 8
- 238000007146 photocatalysis Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000005518 electrochemistry Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 6
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 230000010748 Photoabsorption Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- 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
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
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Abstract
The invention discloses a kind of GQDs/SnS2Heterojunction photocatalyst and preparation method thereof.Using simple one step hydro thermal method：Graphene quantum dot is added to containing sulphur source and butter of tin to (sulphur source and the mol ratio of butter of tin are 2.2：1) in the aqueous solution, hydro-thermal reaction just obtains GQDs/SnS for a period of time at 120~180 DEG C2Heterojunction photocatalyst.GQDs and SnS2The combination of nanometer sheet significantly enhances their photoelectric properties and photocatalysis performance, and it is pure SnS that photogenerated current density, which is,25 times.The activity of heterojunction photocatalysis degraded methyl orange is better than SnS2Nanometer sheet.This method is easy to operate, mild condition, yield high, prepared GQDs/SnS2Ultrathin nanometer piece is with very high photocatalysis and optical electro-chemistry analysis oxygen ability.
Description
Technical field
The technical field of the invention is photocatalysis, optical electro-chemistry field of material technology, and more particularly to stannic disulfide is heterogeneous
Tie photochemical catalyst exploitation and preparation method.
Background technology
Stannic disulfide not only has very abundant reserves on earth, and the structure class of stannic disulfide is in sandwich, i.e. tin
Clipper forms sandwich on two layers of close sulphur atom.The structure of stannic disulfide makes it have outstanding optical
Matter, electrical properties and good catalytic.SnS2It is used as a kind of semi-conducting material with good photo electric, its direct forbidden band
Width is 1.91~2.4eV, two-dimentional SnS2Nanometer sheet is because its interlamellar spacing is than larger and have lattice vacancy, SnS2Light is also act as to urge
Heavy metal ion in agent, decomposing organic pollutant or waste water etc., be primarily due to high light absorptive, nontoxic, inoxidizability with
Chemical stability is high.Although the SnS with narrow band gap energy2Visible ray can be efficiently utilized, photocatalytic activity is high, be considered as a kind of
The photochemical catalyst of great application potential；But, SnS2Photocatalytic activity it is still not high enough, and itself easily decompose.In addition,
After light-catalyzed reaction, SnS2Repeated collection again it is relatively difficult.Structure contains SnS2Hetero-junctions composite semiconductor material, be
One kind effectively improves SnS2The approach of photocatalytic activity, the problem of being easy to solve its reusability.
Graphene quantum dot (GQDs) is the nano material within size 1-20nm.Namely graphene is reduced in size to
To a certain degree.Graphene quantum dot has an extraordinary performance, such as big specific surface area, high electron mobility, chemically
Can be stable, surface nature can change, and very low toxicity.The property and graphene of graphene quantum dot have some similar, still
There is more excellent quantum confined effect and boundary effect.By building GQDs/SnS2Nanometer sheet composite photo-catalyst, is improved photic
Electric charge is efficiently separated, so as to improve its photocatalysis performance.Wish that its performance protruded can have actual in photocatalysis field
Using effectively solving the problems, such as present social environmental pollution.
The content of the invention
It is an object of the invention to provide a kind of GQDs/SnS2The preparation method of nanometer sheet composite photo-catalyst, this method behaviour
Make simplicity, mild condition, yield height, prepared GQDs/SnS2There is nanometer sheet composite photo-catalyst very high photocatalysis to live
Property.
Concretely comprise the following steps：
Using simple one step hydro thermal method：Measure the graphene quantum dot that 1~6ml concentration is 2mg/ml and be added to 40 distillations
In water, weighing 2-25mmol sulphur sources and 1-10mmol butters of tin, (sulphur source and the mol ratio of butter of tin are 2.2：1), put together
Enter and be fitted into after being stirred 30 minutes in the aqueous solution containing graphene quantum dot in reactor, 4~24 are heated at 120~180 DEG C
Hour.The condition that reactor is cooled to room temperature is taken out, then solution is centrifuged, is removed without the material reacted,
Product is obtained after obtaining precipitation vacuum drying 6 hours.
The chemical reagent purity is chemical pure above purity.
It is characterized in that：Sulphur source is thioacetamide (TAA), vulcanized sodium, potassium sulfide, ammonium sulfide, thiocarbamide, sodium thiosulfate
In one kind.
Graphene quantum dot can be for eigenstate graphene quantum dot, with amino graphene quantum dot, hydroxyl graphene amount
One kind in sub- point, carboxyl graphene quantum dot.
The chemical reagent purity is chemical pure above purity.
GQDs/SnS of the present invention2Complex shows have gone out excellent photo absorption performance and very strong optical electro-chemistry response, photoproduction
It is pure SnS that current density, which is,25 times；The speed of degraded methyl orange after composite graphite alkene quantum dot is significantly improved, 4.0-
GQDs/SnS2The degradation rate of compound is most fast, and only the time by 30 minutes is SnS21/2.Therefore, GQDs/SnS2
As a kind of visible light-responded material, have in terms of environmental pollution such as degradation of dye, photocatalysis treatment sewage, solar cell
There is very big application potential.
Brief description of the drawings
Fig. 1 is different composition powder X-ray RD spectrums prepared by the embodiment of the present invention 1.
Fig. 2 is that the embodiment of the present invention 1 prepares (a, b) SnS2The TEM figures of nanometer sheet, (c, d) GQDs/SnS2The TEM of compound
Figure.
Fig. 3 is SnS prepared by the embodiment of the present invention 12Nanometer sheet and GQDs/SnS2The photogenerated current curve of compound.
Fig. 4 is SnS prepared by the embodiment of the present invention 12Nanometer sheet and GQDs/SnS2Compound photo-catalytic degradation of methyl-orange is bent
Line.
Embodiment
Embodiment 1：
Using simple one step hydro thermal method：Measure the graphene quantum dot that 2ml concentration is 2mg/ml and be added to 40 distilled water
In, 4.4mmol thioacetamides and 2mmol butters of tin are weighed, the aqueous solution containing hydroxyl-graphene quantum dot is put into together
Middle stirring is fitted into reactor after 30 minutes, is heated 8 hours at a temperature of 160 DEG C.The condition that reactor is cooled to room temperature is taken out, so
Solution is centrifuged afterwards, removed without the material reacted, product is obtained after obtaining precipitation vacuum drying 6 hours.
Prepared SnS2Thin nanometer sheet dispersion liquid, makes optoelectronic pole on ITO surfaces by spin-coating method, prepares electrode conduct
(area is 1cm to working electrode2), auxiliary electrode is platinum electrode, and saturated calomel electrode (SCE) is used as reference electrode, 0.5mol/L
Na2SO4For supporting electrolyte solution, the testing photoelectronic chemical property under solar simulator (light intensity of a sun), from Fig. 3
It can be seen that GQDs/SnS2The photoelectric current of hetero-junctions is SnS25 times of photoelectric current.
The sample of 10mg setup test is weighed, and is poured into 250mL beaker, and concentration is poured into beaker and is
10mg/L solution 100mL methyl orange solution.Stirred 30 minutes in dark.The mixed liquor irradiated again with xenon lamp in beaker, every
Every the content for taking a sample to centrifuge post analysis methyl orange in 5min.Simple stannic disulfide degrades methyl orange at 60 minutes or so
It has been degraded that, the speed of the complex degradation methyl orange after composite graphite alkene quantum dot is significantly improved, 2.0-OH-GQDs/SnS2
Compound is in 55 minutes or so degraded methyl oranges up to more than 99%, 8.0-OH-GQDs/SnS245 minutes compound used times, 6.0-
OH-GQDs/SnS2Compound was in 40 minutes, 4.0-OH-GQDs/SnS2The degradation rate of compound is most fast, only to 30 points
Clock.
Embodiment 2：
(1) measure the graphene quantum dot that 8ml concentration is 2mg/ml to be added in 40 distilled water, weigh 8.8mmol thiocarbamides
With 4mmol butters of tin, it is put into together after being stirred 30 minutes in the aqueous solution containing hydroxyl-graphene quantum dot and loads reactor
In, heated 24 hours at a temperature of 120 DEG C.The condition that reactor is cooled to room temperature is taken out, then solution is centrifuged, gone
Except without the material reacted, obtain precipitation vacuum drying 6 hours after obtain product.
(2) GQDs/SnS of synthesis2The photoelectric current of hetero-junctions is SnS23 times of photoelectric current.Degrade methyl orange up to 99% with
Upper 45 minutes used times.
Embodiment 3：
(1) measure the graphene quantum dot that 2ml concentration is 2mg/ml to be added in 40 distilled water, weigh 2.2mmol vulcanizations
Sodium and 1mmol butters of tin, are put into after being stirred 30 minutes in the aqueous solution containing amino-graphene quantum dot and load reaction together
In kettle, heated 24 hours at a temperature of 160 DEG C.The condition that reactor is cooled to room temperature is taken out, then solution is centrifuged,
Remove without the material reacted, product is obtained after obtaining precipitation vacuum drying 6 hours.
(2) GQDs/SnS of synthesis2The photoelectric current of hetero-junctions is SnS24 times of photoelectric current.Degrade methyl orange up to 99% with
Upper 35 minutes used times.
Chemical reagent purity described in above example is that chemistry is pure.
Claims (2)
1. a kind of graphene quantum dot/SnS2The preparation of nanometer sheet composite photo-catalyst, it is characterised in that concretely comprise the following steps：
Using simple one step hydro thermal method：Measure the graphene quantum dot that 1~6ml concentration is 2mg/ml and be added to 40 distilled water
In, weighing 2-25mmol sulphur sources and 1-10mmol butters of tin, (sulphur source and the mol ratio of butter of tin are 2.2：1), it is put into together
It is fitted into after being stirred 30 minutes in the aqueous solution containing graphene quantum dot in reactor, 4~24 is heated at a temperature of 120~180
Hour.The condition that reactor is cooled to room temperature is taken out, then solution is centrifuged, is removed without the material reacted,
Product is obtained after obtaining precipitation vacuum drying 6 hours.
The chemical reagent purity is chemical pure above purity.
2. a kind of graphene quantum dot/SnS according to claim 12The method of nanometer sheet composite photo-catalyst, its feature
It is：Sulphur source is one kind in thioacetamide (TAA), vulcanized sodium, potassium sulfide, ammonium sulfide, thiocarbamide, sodium thiosulfate.
Graphene quantum dot can for eigenstate graphene quantum dot, with amino graphene quantum dot, hydroxyl graphene quantum dot,
One kind in carboxyl graphene quantum dot.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194482A (en) * | 2019-06-21 | 2019-09-03 | 安阳师范学院 | Three-dimensional ultra-thin carbon dots/Copper-cladding Aluminum Bar stannic disulfide composite Nano piece preparation method |
| CN110252343A (en) * | 2019-07-15 | 2019-09-20 | 南京师范大学 | A kind of FeS-GQDs composite nano materials and its preparation method and application |
| CN113070075A (en) * | 2021-04-06 | 2021-07-06 | 浙江加州国际纳米技术研究院台州分院 | Preparation method for constructing tin sulfide/tin oxide heterojunction material by taking graphene as substrate |
| CN115369439A (en) * | 2022-04-11 | 2022-11-22 | 天津工业大学 | Self-supporting oxygen evolution electrocatalyst coupling solar photo-thermal and preparation method and application thereof |
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| 谢关才，: ""石墨烯量子点/硫化镉纳米复合物的制备及其光催化性质研究"", 《万方学位论文数据库》 * |
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| CN110194482A (en) * | 2019-06-21 | 2019-09-03 | 安阳师范学院 | Three-dimensional ultra-thin carbon dots/Copper-cladding Aluminum Bar stannic disulfide composite Nano piece preparation method |
| CN110252343A (en) * | 2019-07-15 | 2019-09-20 | 南京师范大学 | A kind of FeS-GQDs composite nano materials and its preparation method and application |
| CN113070075A (en) * | 2021-04-06 | 2021-07-06 | 浙江加州国际纳米技术研究院台州分院 | Preparation method for constructing tin sulfide/tin oxide heterojunction material by taking graphene as substrate |
| CN115369439A (en) * | 2022-04-11 | 2022-11-22 | 天津工业大学 | Self-supporting oxygen evolution electrocatalyst coupling solar photo-thermal and preparation method and application thereof |
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