CN108855178A - A method of nano silicon nitride carbon photochemical catalyst is prepared with gas phase condensation principle - Google Patents
A method of nano silicon nitride carbon photochemical catalyst is prepared with gas phase condensation principle Download PDFInfo
- Publication number
- CN108855178A CN108855178A CN201810396416.8A CN201810396416A CN108855178A CN 108855178 A CN108855178 A CN 108855178A CN 201810396416 A CN201810396416 A CN 201810396416A CN 108855178 A CN108855178 A CN 108855178A
- Authority
- CN
- China
- Prior art keywords
- reaction
- salt
- ring structure
- triazine ring
- gas phase
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003054 catalyst Substances 0.000 title claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 7
- 238000009833 condensation Methods 0.000 title claims abstract description 7
- 230000005494 condensation Effects 0.000 title claims abstract description 7
- 239000005543 nano-size silicon particle Substances 0.000 title claims abstract description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 7
- 150000003839 salts Chemical class 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000012153 distilled water Substances 0.000 claims abstract description 23
- 238000005253 cladding Methods 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 12
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 8
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 4
- 238000007740 vapor deposition Methods 0.000 claims abstract description 4
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 16
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 8
- 239000011780 sodium chloride Substances 0.000 claims description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 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
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 235000019441 ethanol Nutrition 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 12
- 238000006731 degradation reaction Methods 0.000 abstract description 12
- 238000012719 thermal polymerization Methods 0.000 abstract description 9
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 238000002360 preparation method Methods 0.000 abstract description 6
- 230000001699 photocatalysis Effects 0.000 abstract description 5
- 239000005416 organic matter Substances 0.000 abstract 1
- 239000011941 photocatalyst Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 21
- 239000000376 reactant Substances 0.000 description 20
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 18
- 239000007789 gas Substances 0.000 description 13
- 238000006555 catalytic reaction Methods 0.000 description 12
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 9
- 229940043267 rhodamine b Drugs 0.000 description 9
- 239000013049 sediment Substances 0.000 description 9
- 229910001961 silver nitrate Inorganic materials 0.000 description 9
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229960004643 cupric oxide Drugs 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000010189 synthetic method 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
-
- B01J35/27—
-
- B01J35/39—
Abstract
The present invention relates to a kind of methods for preparing nano silicon nitride carbon photochemical catalyst with gas phase condensation principle, using the organic compound with triazine ring structure or the organic compound of triazine ring structure can be generated as pre-reaction material by polycondensation reaction, it is placed in crucible bottom, it is vapor deposition channel with salt, it is placed in the upper layer of pre-reaction material, then carries out high―temperature nuclei；After reaction, the salt deposit of the product prepared cladding is taken out, after being washed with distilled water, is stored in solvent, dispersion liquid is made.Preparation method of the present invention is simple, only needs one-step synthesis, and using cheap raw material, simple appointed condition, and used salt can be recycled and be reused, and prepare nano-photocatalyst g-C3N4, the number of plies is less, surface-active site is abundant, and photocatalytic activity is good, compared to the method for traditional thermal polymerization, currently, there is the promotion of up to about 65% catalytic degradation organic matter efficiency.
Description
Technical field
Nano silicon nitride carbon (g-C is prepared with gas phase condensation principle the present invention relates to a kind of3N4) photochemical catalyst method, belong to
Photochemical catalyst field of nano material preparation.
Background technique
While with industrial technological advancement, the deterioration of environment for human survival and non-renewable energy resources it is increasingly depleted, it is solemn
So become countries nowadays to have to problems faced.Environment is protected, it is energy saving, and clean energy resource, renewable energy are used,
Theme as current era.And photocatalysis technology utilizes clean reproducible energy --- while solar energy, it can be used for dropping
Organic pollutant is solved, hydrogen etc. can also be prepared, just attracted attention since this green technology self-discovery.
Photochemical catalyst g-C3N4Because of its energy band EgRelatively narrow (2.7eV) can use excited by visible light, but be enough to overcome water decomposition anti-
Answer required energy (1.23eV), at the same its between C atom and N atom to be covalently keyed, have well chemistry and heating power
Stability, preparation method multiplicity are learned, modification mechanism enriches.In addition, it is made of C, N element completely, metallic element is free of, it is right
It is environmental-friendly, the theme of compound current eco-energy.Have in photocatalysis field and is widely applied very much.
Most common tradition thermal polymerization prepares g-C3N4, but material is very big because volatilization has lost in preparation process
A part, and reactant come into full contact with polymerization probability it is big, to keep the final reaction product number of plies more, specific surface area is larger,
Photocatalytic activity is general, needs to be additionally carried out removing etc., these existing problems promote us further to seek more
Simply, preparation method efficiently, at low cost, practical.
Summary of the invention
The object of the present invention is to prepare g-C for traditional thermal polymerization3N4Deficiency, provide a kind of easy to operate, effect
Fruit is significant, the method for good performance for preparing nano silicon nitride carbon photochemical catalyst with gas phase condensation principle.
Basic conception of the invention is the thought based on gas phase coacervation, by the addition in the channel that is vapor-deposited, is first limited
Second the volatilization loss of reactant processed makes product be coated with depositing base and is grown, there is the transmitting of the better thermal efficiency
Meanwhile so that g-C3N4Product porous surface, active site is abundant, and the number of plies is less, and specific surface area becomes larger, and catalytic activity obtains
To be promoted.
The technical scheme is that：A method of nano silicon nitride carbon photochemical catalyst is prepared using gas phase condensation principle,
The specific steps are that：
(1) with the organic compound with triazine ring structure or triazine ring structure can be generated by polycondensation reaction and had
Machine compound is pre-reaction material, is placed in crucible bottom, is gas with high-melting-point, the salt for being not easy to react with predecessor, easily remove
Phase deposition channels are placed in the upper layer of pre-reaction material, then carry out high―temperature nuclei；
(2) after reaction, the salt deposit of product cladding step (1) prepared takes out, and after being washed with distilled water, saves
In solvent, dispersion liquid is made.
There is the organic compound of triazine ring structure in preferred steps (1) or triazine ring can be generated by polycondensation reaction
The organic compound of structure is or mixtures thereof one of melamine, dicyandiamide, urea or thiocarbamide.
It is preferred that above-mentioned salt is or mixtures thereof one of lithium chloride, sodium chloride or potassium chloride.
It is preferred that the mass ratio of the salt and pre-reaction material is 1~9：1.It is preferred that the solvent is distilled water or second
Alcohol.
It is preferred that the high―temperature nuclei is to carry out high―temperature nuclei with Muffle furnace or microwave heating method；Wherein Muffle furnace adds
Heat reacts 1~6 hour using 500~600 DEG C of synthesis temperature；Microwave heating method is easily absorbed microwave using CuO etc. and heated up
Substance be medium be placed in big crucible, will separately be identical to the ready identical small crucible of Muffle furnace synthetic method and be put into sample
Big crucible, it is that 350~700W reacts natural cooling after 15~30min that power is controlled under microwave radiation.
Beneficial effect：
(1) preparation method is simple, only needs a step that can synthesize, and does not need expensive equipment, and condition controllability is strong；
(2) process is pollution-free, and the substance that surplus is used as reactive vapour deposition channel can recycle；
(3) one-step method prepares resulting g-C3N4The number of plies is few, is in cellular, has active site abundant；
(4) photocatalytic activity is high, and in degradation of contaminant test, test result is shown after the 1h that degrades, compared to traditional heat
The method degradation efficiency of polymerization has up to about 65% promotion.
(5) growing space is limited, yield is also promoted.
Specific embodiment
Below with specific implementation example come the present invention is further explained, but the present invention is not limited thereto.
Embodiment 1
5g melamine is weighed in crucible, then presses reactant：Salt is 1：5 ratio weighs 25g sodium chloride as gas phase
Deposition channels are placed in reactant upper layer, cover crucible cover, are placed in 500 DEG C of reaction temperature of setting in Muffle furnace, when reaction a length of 4h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows that performance boost is up to 50% or so.
Embodiment 2
5g melamine is weighed in crucible, then presses reactant：Salt is 1：9 ratio weighs 5,15,25,35,45g chlorination
Sodium is placed in reactant upper layer as vapor deposition channel, covers crucible cover, is placed in 500 DEG C of reaction temperature of setting in Muffle furnace, instead
Seasonable a length of 6h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows that performance boost is up to 65% or so.
Embodiment 3
5g melamine is weighed in crucible, then presses reactant：Salt is 1：It is heavy as gas phase that 1 ratio weighs 5g sodium chloride
Product channel is placed in reactant upper layer, covers crucible cover, is placed in 520 DEG C of reaction temperature of setting in Muffle furnace, when reaction a length of 2h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows performance boost up to 14% or so.
Embodiment 4
5g melamine is weighed in crucible, then presses reactant：Salt is 1：3 ratio weighs 15g sodium chloride as gas phase
Deposition channels are placed in reactant upper layer, cover crucible cover, are placed in 520 DEG C of reaction temperature of setting in Muffle furnace, when reaction a length of 4h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows performance boost up to 26% or so.
Embodiment 5
5g melamine is weighed in crucible, then presses reactant：Salt is 1：3 ratio weighs 15g sodium chloride as gas phase
Deposition channels are placed in reactant upper layer, cover crucible cover, are placed in 550 DEG C of reaction temperature of setting in Muffle furnace, when reaction a length of 2h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows that performance boost is up to 45% or so.
Embodiment 6
It takes 5g dicyandiamide in crucible, then presses reactant：Salt is 1：9 ratio weighs 45g lithium chloride as vapor deposition
Channel is placed in reactant upper layer, covers crucible cover, is placed in 600 DEG C of reaction temperature of setting in Muffle furnace, when reaction a length of 1h.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show to prepare product property pair with traditional thermal polymerization
Than the catalytic result of 1h shows performance boost 29% or so.
Embodiment 7
10g urea is weighed in small crucible, separately analogizes to 1 by reactant and salt：4 weigh 40g potassium chloride sinks as gas phase
Product channel is placed in reactant upper layer, separately weighs 30g cupric oxide powder in big crucible, small crucible is put into big crucible, in
Under 700W microwave radiation, natural cooling after 15min is reacted.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show and the comparison of salt layer method, the catalysis knot of 1h is not added
Fruit shows performance boost 10% or so.
Embodiment 8
10g thiocarbamide is weighed in small crucible, separately analogizes to 1 by reactant and salt：4 weigh 40g sodium chloride sinks as gas phase
Product channel is placed in reactant upper layer, separately weighs 30g cupric oxide powder in big crucible, small crucible is put into big crucible, in
Under 700W microwave radiation, natural cooling after 15min is reacted.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show and the comparison of salt layer method, the catalysis knot of 1h is not added
Fruit shows performance boost 15% or so.
Embodiment 9
5g melamine is weighed in small crucible, separately analogizes to 1 by reactant and salt：9 weigh 40g sodium chloride as gas phase
Deposition channels are placed in reactant upper layer, separately weigh 30g cupric oxide powder in big crucible, small crucible is put into big crucible, in
Under 350W microwave radiation, natural cooling after 30min is reacted.
To after reaction, the salt deposit of product cladding be taken out, is washed with distilled water to after being titrated using silver nitrate solution
It without obvious sediment, is stored in distilled water, dispersion liquid is made.
Light-catalyzed reaction rhodamine B degradation experimental results are done to show and the comparison of salt layer method, the catalysis knot of 1h is not added
Fruit shows that performance boost is up to 51% or so.
Claims (6)
1. a kind of method that nano silicon nitride carbon photochemical catalyst is prepared using gas phase condensation principle, the specific steps are that：
(1) with the organic compound with triazine ring structure or triazine ring structure can be generated by polycondensation reaction and organised
Conjunction object be pre-reaction material, be placed in crucible bottom, with salt be vapor deposition channel, be placed in the upper layer of pre-reaction material, then into
Row high―temperature nuclei；
(2) after reaction, the salt deposit of product cladding step (1) prepared takes out, and after being washed with distilled water, is stored in molten
In agent, dispersion liquid is made.
2. the method as described in claim 1, it is characterised in that in step (1) with triazine ring structure organic compound or
The organic compound of triazine ring structure can be generated by polycondensation reaction as one in melamine, dicyandiamide, urea or thiocarbamide
Or mixtures thereof kind.
3. the method as described in claim 1, it is characterised in that the salt be one of lithium chloride, sodium chloride or potassium chloride or
Its mixture.
4. the method as described in claim 1, it is characterised in that the mass ratio of the salt and pre-reaction material is 1~9：1.
5. the method as described in claim 1, it is characterised in that the solvent is distilled water or ethyl alcohol.
6. the method as described in claim 1, it is characterised in that the high―temperature nuclei is to carry out high―temperature nuclei；Wherein Muffle furnace
Heating reacts 1~6 hour using 500~600 DEG C of synthesis temperature；Microwave heating method, microwave irradiation power be 350~
700W, reaction time are 15~30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396416.8A CN108855178A (en) | 2018-04-27 | 2018-04-27 | A method of nano silicon nitride carbon photochemical catalyst is prepared with gas phase condensation principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396416.8A CN108855178A (en) | 2018-04-27 | 2018-04-27 | A method of nano silicon nitride carbon photochemical catalyst is prepared with gas phase condensation principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108855178A true CN108855178A (en) | 2018-11-23 |
Family
ID=64327222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810396416.8A Pending CN108855178A (en) | 2018-04-27 | 2018-04-27 | A method of nano silicon nitride carbon photochemical catalyst is prepared with gas phase condensation principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108855178A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108688A (en) * | 2014-08-01 | 2014-10-22 | 中国人民解放军国防科学技术大学 | Method for preparing carbon nitride nanoribbon and secondary assembly structure of carbon nitride nanoribbon |
| CN105925954A (en) * | 2016-05-27 | 2016-09-07 | 清华大学 | Preparation method of semiconductor carbon nitride films |
-
2018
- 2018-04-27 CN CN201810396416.8A patent/CN108855178A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108688A (en) * | 2014-08-01 | 2014-10-22 | 中国人民解放军国防科学技术大学 | Method for preparing carbon nitride nanoribbon and secondary assembly structure of carbon nitride nanoribbon |
| CN105925954A (en) * | 2016-05-27 | 2016-09-07 | 清华大学 | Preparation method of semiconductor carbon nitride films |
Non-Patent Citations (2)
| Title |
|---|
| HUANHUAN LIU ET AL.: "Microwave-assisted molten-salt rapid synthesis of isotype triazine-/heptazine based g-C3N4 heterojunctions with highly enhanced photocatalytic hydrogen evolution performance", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 * |
| 曲晓钰等: "镍掺杂石墨相氮化碳的熔盐辅助微波法制备及光催化固氮性能", 《高等学校化学学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103861632B (en) | A kind of preparation method of nitride porous carbon catalysis material of sulfur doping | |
| CN105964286B (en) | A kind of nitrogen-doped graphene quantum dot and graphite phase carbon nitride composite photo-catalyst and preparation method thereof | |
| CN104549500B (en) | A kind of nonmetal liquid phase doping prepares B doping g-C3n4the method of photocatalyst | |
| CN109289888B (en) | Preparation method of boron-doped porous carbon nitride material | |
| CN106542509A (en) | A kind of efficient method for preparing class Graphene carbonitride | |
| CN109569691A (en) | Preparation method of boron doping carbonitride and products thereof and application | |
| CN104108682B (en) | A kind of have visible light-responded germanium hydride and its preparation method and application | |
| CN109012726B (en) | Molten salt method preparation method and application of copolymerization modified carbon nitride/zinc oxide composite visible light catalyst | |
| CN104693224B (en) | There is cadmium metal complex of catalysis light degradation dye property and preparation method thereof | |
| CN102886270A (en) | SiC nanocrystalline/graphene heterojunction and its preparation method and use | |
| CN107899601A (en) | A kind of CuO/ nitridations carbon composite photocatalyst and preparation method thereof | |
| CN109465019B (en) | Preparation method and application of zinc oxide modified graphite-phase carbon nitride visible-light-induced photocatalyst | |
| CN105271234A (en) | Method for synthesizing p type doped silicon carbide by microwave in situ reaction | |
| CN107876094B (en) | Three dish alkene polymer NTP/ zinc-cadmium sulfide Cd of one kind0.5Zn0.5The preparation method of S composite photo-catalyst | |
| CN105214711A (en) | One prepares Ag/g-C 3n 4the method of catalyst | |
| CN110624583A (en) | Preparation method of composite graphite phase carbon nitride heterojunction photocatalyst | |
| CN111634893A (en) | Synthesis method, product and application of carbon nitride nanotube with cross-linked structural characteristics | |
| CN107790166A (en) | A kind of composite photo-catalyst MoS2/g‑C3N4I and its preparation and application | |
| CN109395764A (en) | Preparation method of phosphorus doping carbonitride and products thereof and application | |
| CN108479804A (en) | A kind of zinc sulphide bronzing catalyst and preparation method for mixing silver for hydrogen manufacturing | |
| Khan et al. | A comprehensive review on graphitic carbon nitride for carbon dioxide photoreduction | |
| CN108927197B (en) | g-C with high catalytic performance3N4Preparation method and use of | |
| CN113058601B (en) | Preparation method and application of ternary composite catalyst for photocatalytic hydrogen production by water splitting | |
| CN112275325B (en) | Preparation of cadmium sulfide/titanium dioxide/polyacrylonitrile composite nano material for photocatalysis | |
| CN112354545B (en) | Copper sulfide composite potassium tantalate niobate with p-n heterojunction structure and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |