CN107814407A - Method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide and products thereof and application - Google Patents
Method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide and products thereof and application Download PDFInfo
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- CN107814407A CN107814407A CN201711079782.2A CN201711079782A CN107814407A CN 107814407 A CN107814407 A CN 107814407A CN 201711079782 A CN201711079782 A CN 201711079782A CN 107814407 A CN107814407 A CN 107814407A
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- thin
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- cuprous oxide
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- stannous chloride
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- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 title claims abstract description 29
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229940112669 cuprous oxide Drugs 0.000 title claims abstract description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 12
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 12
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims abstract description 33
- 235000011150 stannous chloride Nutrition 0.000 claims abstract description 33
- 239000001119 stannous chloride Substances 0.000 claims abstract description 33
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims abstract description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims abstract description 15
- 239000012153 distilled water Substances 0.000 claims abstract description 15
- 239000004312 hexamethylene tetramine Substances 0.000 claims abstract description 15
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims abstract description 15
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229960004011 methenamine Drugs 0.000 claims abstract description 15
- 238000001354 calcination Methods 0.000 claims abstract description 13
- -1 enuatrol Chemical compound 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000006228 supernatant Substances 0.000 claims abstract description 9
- 239000000047 product Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 11
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 230000007423 decrease Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/02—Oxides; Hydroxides
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- B01J35/33—
-
- B01J35/39—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/20—Two-dimensional structures
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The present invention provides a kind of method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide and products thereof and application, stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate etc., is added into distilled water, stirs.It is added into supercritical reaction kettle, controls and react certain time in certain temperature and pressure.Then calcined in Muffle furnace high temperature, product after calcining is ultrasonic in ethanol, and take supernatant liquor to centrifuge and produce ultra-thin two-dimension cuprous oxide.The ultra-thin two-dimension cuprous oxide prepared using the method for the invention, preparation process is simple, and the difficulty that layer is peeled off with layer decreases, and improves preparation efficiency, and its catalytic efficiency has compared with bulk and greatly improved, and has broad application prospects.
Description
Technical field
The invention belongs to field of nano material preparation, and in particular to a kind of supercritical carbon dioxide prepares ultra-thin two-dimension oxidation
Cuprous method and products thereof and application.
Background technology
Since 21 century, coming into operation extensively for fossil energy such as oil, natural gas, the quick hair of economy has been promoted
Exhibition, has promoted the progress of civilization of human society and scientific development.But this fossil energy can be closer to exhaustion in the year two thousand fifty,
Therefore, the exploitation of the high-efficiency cleaning energy is to realize the important goal of energy sustainable development strategy.Utilize catalyst moisture
Solar energy etc. can be converted into chemical energy by the technologies such as solution, catalysis reduction carbon dioxide, and it is close to be stored in the high-energy such as hydrogen, methane
In the fuel material of degree, it has also become the important front edge of regenerative resource research field.
Two-dimensional material such as graphene receives the extensive concern of researcher as a kind of brand-new material.With it
Body phase material is compared, and the specific surface area of ultra-thin thickness and super large can not only provide substantial amounts of surface atom as catalytic activity
Site, for improving catalytic process and improving catalytic activity.Repaiied importantly, ultra-thin two-dimension material is easily achieved surface
Decorations.Have been reported that at present, using two-dimensional material as catalytic specie, its catalytic efficiency is compared to its corresponding body phase material
It is greatly improved, therefore, the developing direction for becoming one great potential of catalytic field of two-dimensional material.Two dimension is super at present
The preparation of thin material include direct stripping method, indirect stripping method, high-temperature liquid-phase chemical synthesis, orientation assistant chemical synthetic method,
Ultra-thin precursor process of induced chemical synthetic method, quick burning etc., these methods can synthesize various ultra-thin two-dimension materials,
But due to ultra-thin materials, spacing is too small between layers, and its intermolecular attraction etc. causes its stripping relatively difficult, and layer
Stripping with layer is most important step in two-dimensional ultrathin material preparation process.
Cuprous oxide cost is low, environmentally friendly, and its special conduction band positions shows its conduction band bottom than production hydrogen electricity
Position -0.7V, water decomposition production hydrogen can be catalyzed for theoretical, and its light conversion efficiency can be up to 18.7%, show it in the sun
The great potential of energy hydrogen manufacturing.Have been reported that at present and prepared two-dimensional ultrathin cuprous oxide, but it is peeled off still between layers
It is relatively difficult, it is necessary to take a substantial amount of time.
Supercritical fluid is temperature and pressure is in more than critical point fluid, and supercritical carbon dioxide is as the most frequently used
Supercritical fluid, be a kind of nontoxic, inertia and environmental sound reaction medium.Supercritical fluid has excellent dissolubility
With diffusion velocity, and in the case of quick pressure releasing, its volume can rapid expanding, therefore, in commonly synthesis two-dimensional ultrathin oxygen
Change in cuprous preparation process, by the way that supercritical fluid is introduced wherein, supercritical fluid is entered by its excellent dissolubility
Cuprous oxide between layers, and is supportted spacing between layers greatly by the process of quick pressure releasing, and this can also reduce
Its Van der Waals force between layers etc., finally reduces the difficulty peeled off between layers.Therefore, by supercritical carbon dioxide system
The technology of standby nano particle, which is introduced into the preparation of two-dimensional ultrathin cuprous oxide, has technology and the novelty and creativeness of application.
The content of the invention
For the characteristics of in existing two-dimensional ultrathin cuprous oxide preparation process, hardly possible is peeled off between layers, mesh of the invention
Be:A kind of method that ultra-thin two-dimension cuprous oxide is prepared using supercritical carbon dioxide is provided.
Another object of the present invention is:Ultra-thin two-dimension cuprous oxide product prepared by the above method is provided.
A further object of the present invention is:The application of the said goods is provided.
It is provided by the invention use the method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide for:According to formula essence
Stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate etc. really are weighed, is added into distilled water, stirs.Then
It is added into supercritical reaction kettle, controls and react certain time in certain temperature and pressure.It is filtered dry excessively after dischargeing pressure
It is dry, then calcined in Muffle furnace high temperature, product after calcining is ultrasonic in ethanol, and take supernatant liquor to centrifuge and produce ultra-thin two
Tie up cuprous oxide.
Comprise the following steps that:
A kind of method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide, it is characterised in that comprise the following steps that:
1)A certain amount of stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate are accurately weighed according to formula, is added into one
In quantitative distilled water, stirring makes it fully dissolve, and wherein the mass ratio of stannous chloride and enuatrol is 1:1~20, stannous chloride
Mass ratio with hexamethylene tetramine is 1:1~20, the mass ratio of stannous chloride and hydrazine hydrate is 1:1~20, stannous chloride
Mass ratio with distilled water is 1:1000~10000;
2)Above-mentioned mixed solution is poured into supercritical reaction kettle, opens CO 2 high pressure pump, and raises temperature of reaction kettle, is made
Reactor is maintained at 30~150 DEG C of certain 10~60MPa of pressure and temperature, react 5~24 hours in this case;
3)Open pressure relief opening and the pressure in supercritical reaction kettle is dropped into normal pressure, turbid solution is obtained, by the solution filtration washing
Vacuum drying, obtained powder is then calcined into 5~30min of a period of time for 100~500 DEG C in Muffle furnace high temperature, then made
It naturally cools to room temperature, by the powder after calcining in ethanol ultrasound a period of time 10~30min, take supernatant liquor centrifugation i.e.
Obtain ultra-thin two-dimension cuprous oxide.
A kind of ultra-thin two-dimension cuprous oxide, it is characterised in that be prepared according to methods described.
A kind of application of ultra-thin two-dimension cuprous oxide in terms of photoelectrocatalysis.
The ultra-thin two-dimension cuprous oxide prepared using the method for the invention, preparation process is simple, reduces layer and is shelled with layer
From difficulty, former preparation method needs 40~60min of ultrasound to come peel ply and layer, improves preparation efficiency, and its photoelectricity is urged
Change efficiency has compared with bulk to be greatly improved, and is had great application prospect.
Embodiment
The present invention, rather than limitation the scope of the present invention are further illustrated below by embodiment.
Embodiment 1
Precise stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate(The mass ratio of stannous chloride and enuatrol is
1:10, the mass ratio of stannous chloride and hexamethylene tetramine is 1:10, the mass ratio of stannous chloride and hydrazine hydrate is 1:10),
It is added into a certain amount of distilled water(The mass ratio of stannous chloride and distilled water is 1:3000).Stir, then added
Enter in supercritical reaction kettle, control in 80 DEG C and 20MPa reaction 10h.Discharge filtration drying after pressure, the powder that then will be obtained
End is in Muffle furnace high temperature(300℃)Calcining a period of time(10min), then it is naturally cooled to room temperature, after calcining
Powder ultrasonic 20min in ethanol, takes supernatant liquor to centrifuge and produces ultra-thin two-dimension cuprous oxide.
Embodiment 2
Precise stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate(The mass ratio of stannous chloride and enuatrol is
1:15, the mass ratio of stannous chloride and hexamethylene tetramine is 1:8, the mass ratio of stannous chloride and hydrazine hydrate is 1:5), will
It is added in a certain amount of distilled water(The mass ratio of stannous chloride and distilled water is 1:5000).Stir, be then added into
In supercritical reaction kettle, control in 100 DEG C and 40MPa reaction 24h.Discharge filtration drying after pressure, the powder that then will be obtained
End is in Muffle furnace high temperature(400℃)Calcining a period of time(8min), then it is naturally cooled to room temperature, by the powder after calcining
End 25min ultrasonic in ethanol, takes supernatant liquor to centrifuge and produces ultra-thin two-dimension cuprous oxide.
Embodiment 3
Precise stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate(The mass ratio of stannous chloride and enuatrol is
1:20, the mass ratio of stannous chloride and hexamethylene tetramine is 1:5, the mass ratio of stannous chloride and hydrazine hydrate is 1:10), will
It is added in a certain amount of distilled water(The mass ratio of stannous chloride and distilled water is 1:4000).Stir, be then added into
In supercritical reaction kettle, control in 120 DEG C and 30MPa reaction 12h.Discharge filtration drying after pressure, the powder that then will be obtained
End is in Muffle furnace high temperature(350℃)Calcining a period of time(15min), then it is naturally cooled to room temperature, after calcining
Powder ultrasonic 15min in ethanol, takes supernatant liquor to centrifuge and produces ultra-thin two-dimension cuprous oxide.
Embodiment 4
Precise stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate(The mass ratio of stannous chloride and enuatrol is
1:9, the mass ratio of stannous chloride and hexamethylene tetramine is 1:12, the mass ratio of stannous chloride and hydrazine hydrate is 1:15), will
It is added in a certain amount of distilled water(The mass ratio of stannous chloride and distilled water is 1:5000).Stir, be then added into
In supercritical reaction kettle, control in 130 DEG C and 45MPa reaction 20h.Discharge filtration drying after pressure, the powder that then will be obtained
End is in Muffle furnace high temperature(400℃)Calcining a period of time(20min), then it is naturally cooled to room temperature, after calcining
Powder ultrasonic 20min in ethanol, takes supernatant liquor to centrifuge and produces ultra-thin two-dimension cuprous oxide.
Claims (4)
1. the method for preparing ultra-thin two-dimension cuprous oxide using supercritical carbon dioxide, according to formula it is accurate weigh stannous chloride,
Enuatrol, hexamethylene tetramine and hydrazine hydrate, are added into distilled water, stir;Then, it is added into overcritical anti-
Answer in kettle, control in 30~150 DEG C certain of temperature and 10~60MPa stress reactions;Filtration drying after pressure is discharged, then
Powdered product is calcined to obtain in Muffle furnace, product after calcining is ultrasonic in ethanol, and take supernatant liquor to centrifuge and produce ultra-thin two
Tie up cuprous oxide.
2. the method according to claim 1 that ultra-thin two-dimension cuprous oxide is prepared using supercritical carbon dioxide, its feature
It is to comprise the following steps that:
1)A certain amount of stannous chloride, enuatrol, hexamethylene tetramine and hydrazine hydrate are accurately weighed according to formula, is added into one
In quantitative distilled water, stirring makes it fully dissolve, and wherein the mass ratio of stannous chloride and enuatrol is 1:1~20, stannous chloride
Mass ratio with hexamethylene tetramine is 1:1~20, the mass ratio of stannous chloride and hydrazine hydrate is 1:1~20, stannous chloride
Mass ratio with distilled water is 1:1000~10000;
2)Above-mentioned mixed solution is poured into supercritical reaction kettle, opens CO 2 high pressure pump, and raises temperature of reaction kettle, is made
Reactor is maintained at 30~150 DEG C of certain 10~60MPa of pressure and temperature, react 5~24 hours in this case;
3)Open pressure relief opening and the pressure in supercritical reaction kettle is dropped into normal pressure, turbid solution is obtained, by the solution filtration washing
Vacuum drying, obtained powder is then calcined into 5~30min of a period of time for 100~500 DEG C in Muffle furnace high temperature, then made
It naturally cools to room temperature, by the powder after calcining in ethanol ultrasound a period of time 10~30min, take supernatant liquor centrifugation i.e.
Obtain ultra-thin two-dimension cuprous oxide.
3. a kind of ultra-thin two-dimension cuprous oxide, it is characterised in that method according to claim 1 or claim 2 is prepared.
4. application of the ultra-thin two-dimension cuprous oxide in terms of photoelectrocatalysis according to claim 3.
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CN201711079782.2A CN107814407A (en) | 2017-11-06 | 2017-11-06 | Method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide and products thereof and application |
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CN201711079782.2A CN107814407A (en) | 2017-11-06 | 2017-11-06 | Method that supercritical carbon dioxide prepares ultra-thin two-dimension cuprous oxide and products thereof and application |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109134853A (en) * | 2018-07-07 | 2019-01-04 | 盐城师范学院 | A kind of preparation method of two dimension organic material |
CN111482175A (en) * | 2020-05-09 | 2020-08-04 | 中国科学技术大学 | Preparation method of copper/cuprous oxide heterojunction nanosheet catalyst |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274444A (en) * | 2013-06-05 | 2013-09-04 | 沈阳化工大学 | Preparation method for ultrafine cuprous oxide |
CN104445358A (en) * | 2014-11-06 | 2015-03-25 | 国核电力规划设计研究院 | Cuprous oxide nano microspheres in double-layered structure and preparation method thereof |
CN105645398A (en) * | 2016-03-10 | 2016-06-08 | 上海大学 | Method for stripping preparation of large-scale fluorinated graphene by supercritical carbon dioxide |
CN106477631A (en) * | 2016-10-11 | 2017-03-08 | 郑州大学 | A kind of method realizing molybdenum bisuphide 2H to 1T phase in version |
-
2017
- 2017-11-06 CN CN201711079782.2A patent/CN107814407A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103274444A (en) * | 2013-06-05 | 2013-09-04 | 沈阳化工大学 | Preparation method for ultrafine cuprous oxide |
CN104445358A (en) * | 2014-11-06 | 2015-03-25 | 国核电力规划设计研究院 | Cuprous oxide nano microspheres in double-layered structure and preparation method thereof |
CN105645398A (en) * | 2016-03-10 | 2016-06-08 | 上海大学 | Method for stripping preparation of large-scale fluorinated graphene by supercritical carbon dioxide |
CN106477631A (en) * | 2016-10-11 | 2017-03-08 | 郑州大学 | A kind of method realizing molybdenum bisuphide 2H to 1T phase in version |
Non-Patent Citations (1)
Title |
---|
SHAN GAO,ET AL.: "Freestanding atomically-thin cuprous oxide sheets for improved visible-light photoelectrochemical water splitting", 《NANO ENERGY》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109134853A (en) * | 2018-07-07 | 2019-01-04 | 盐城师范学院 | A kind of preparation method of two dimension organic material |
CN111482175A (en) * | 2020-05-09 | 2020-08-04 | 中国科学技术大学 | Preparation method of copper/cuprous oxide heterojunction nanosheet catalyst |
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Application publication date: 20180320 |