CN108855195A - A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method - Google Patents
A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method Download PDFInfo
- Publication number
- CN108855195A CN108855195A CN201810889288.0A CN201810889288A CN108855195A CN 108855195 A CN108855195 A CN 108855195A CN 201810889288 A CN201810889288 A CN 201810889288A CN 108855195 A CN108855195 A CN 108855195A
- Authority
- CN
- China
- Prior art keywords
- carbon
- photochemical catalyst
- preparation
- amorphous carbon
- carbon nitride
- 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
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 68
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 67
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910003481 amorphous carbon Inorganic materials 0.000 title claims abstract description 44
- 239000003054 catalyst Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 239000002028 Biomass Substances 0.000 claims abstract description 25
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 23
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001354 calcination Methods 0.000 claims abstract description 17
- 238000003763 carbonization Methods 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 5
- 230000001699 photocatalysis Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 238000007146 photocatalysis Methods 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 238000003786 synthesis reaction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 241000219146 Gossypium Species 0.000 description 28
- 239000001257 hydrogen Substances 0.000 description 20
- 229910052739 hydrogen Inorganic materials 0.000 description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 17
- 230000003197 catalytic effect Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 9
- 238000005245 sintering Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 244000146553 Ceiba pentandra Species 0.000 description 3
- 235000003301 Ceiba pentandra Nutrition 0.000 description 3
- 238000003917 TEM image Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 238000006303 photolysis reaction Methods 0.000 description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910002621 H2PtCl6 Inorganic materials 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical class OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005829 trimerization reaction 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 carbon doping amorphous carbon nitride photochemical catalyst and preparation methods, wherein photochemical catalyst is formed by biomass fiber and melamine by calcining.The present invention uses pure natural carbon source material（Biomass fiber）As template carbon source, presoma of the melamine as synthesis carbonitride can be prepared by efficient photochemical catalyst by calcining.Equipment requirement needed for this preparation method is low, and raw material biomass fiber, melamine are cheap to be easy to get, and without reaction units such as valuable processing synthesis device and high temperature and pressure, process is simple, meets the theory of environmentally protective new energy, is suitable for high-volume and synthesizes.
Description
Technical field
The present invention relates to photocatalytic cleavage water technical fields more particularly to a kind of carbon to adulterate amorphous carbon nitride photochemical catalyst
And preparation method.
Background technique
Clean energy resource hydrogen is generated using sunlight catalytic splitting water, is the effective way for developing sustainable green energy resource.
Realize that highly effective hydrogen yield, photochemical catalyst need to meet following three main aspects：（1）Semiconductor light-catalyst has reasonable bandwidth to inhale
Receive maximum solar radiation；（2）Realize photo-generated carrier efficiently separate and photo-generated carrier is low in conjunction with rate；（3）There is height
Conductivity realize light induced electron effective transmission.In addition, catalysis material should meet and nontoxic, at low cost be easily obtained and be easy to
Preparation etc. requires.
Graphite phase carbon nitride (g-C3N4) it is a kind of organic semiconductor photochemical catalyst by extensive concern and research in recent years.
g-C3N4It is stratiform two-dimensional material, it has reasonable bandwidth（~ 2.7 eV）, constitution element is simple（C and N）, it is easily obtained,
The advantages that chemical and thermal stability is high, nontoxic.But original g-C3N4Photocatalyzed Hydrogen Production efficiency it is still very low, its catalytic efficiency
It is low to visible light utilization efficiency to be limited to it, specific surface area is small and conductive characteristic is poor.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of carbon doping amorphous carbon nitride light to urge
Agent and preparation method, it is intended to solve the problems, such as that existing photochemical catalyst catalytic efficiency is low.
Technical scheme is as follows：
A kind of preparation method of carbon doping amorphous carbon nitride photochemical catalyst, using biomass fiber and melamine by calcining
The carbon doping amorphous carbon nitride photochemical catalyst is prepared.
The preparation method of the carbon doping amorphous carbon nitride photochemical catalyst, wherein the biomass fiber is kapok
Fiber or bamboo pulp fiber.
The preparation method of the described carbon doping amorphous carbon nitride photochemical catalyst, wherein the biomass fiber and described
The mass ratio of melamine is 0.005-0.1：1.
The preparation method of the carbon doping amorphous carbon nitride photochemical catalyst, wherein by the biomass fiber and institute
It states melamine to be scattered in organic solvent, then evaporates the organic solvent, then calcined, the carbon doping is prepared
Amorphous carbon nitride photochemical catalyst.
The preparation method of the carbon doping amorphous carbon nitride photochemical catalyst, wherein the temperature of calcining is 500-700
℃。
The preparation method of the carbon doping amorphous carbon nitride photochemical catalyst, wherein the time of calcining is 2.5-4h.
A kind of carbon doping amorphous carbon nitride photochemical catalyst, including：Biomass fiber after carbonization and it is grown on the carbon
The amorphous carbon nitride of the carbon dope on biomass fiber after change；The carbon doping amorphous carbon nitride photochemical catalyst is by institute as above
The preparation method stated is prepared.
Beneficial effect：The present invention provides a kind of preparation method of photochemical catalyst as described above, the present invention uses pure day
Right carbon source material（Biomass fiber）As template carbon source, presoma of the melamine as synthesis carbonitride is obtained by calcining
A kind of carbon doping amorphous carbon nitride photochemical catalyst is arrived.The carbon doping amorphous carbon nitride of gained epitaxial growth can be effectively sharp
With visible light, light induced electron and hole effectively improve photodestruciton water to can be realized quick separating and be transferred to interface
The performance of renewable energy hydrogen is prepared, realizes that Photocatalyzed Hydrogen Production amount reaches more than ten times of increase.Equipment needed for this preparation method
It is required that low, raw material melamine is cheap to be easy to get, without the reactions such as valuable processing synthesis device and high temperature and pressure dress
It sets, process is simple, meets the theory of environmentally protective new energy, is suitable for high-volume and synthesizes.
Detailed description of the invention
Fig. 1 is the SEM image of 2.5CCN600 prepared by the present invention.
Fig. 2 is the SEM image of carbonitride CN600.
Fig. 3 is the SEM image of bombax cotton.
Fig. 4 is the TEM image of 2.5CCN600 prepared by the present invention.
Fig. 5 is the TEM image of carbonitride CN600.
Fig. 6 is the EDS energy spectrum diagram of 2.5CCN600 prepared by the present invention.
Fig. 7 is the EDS energy spectrum diagram of carbonitride CN600.
Fig. 8 is different bombax cottons of the invention（KF）The carbon doping amorphous carbon nitride of additive amount and the XRD diagram of KF.
Fig. 9 is that the carbon of different bombax cotton additive amounts of the invention adulterates amorphous carbon nitride UV-Vis DRS light
Spectrogram（UV-vis DRS）.
Figure 10 is that the carbon of different bombax cotton additive amounts of the invention adulterates the bandwidth figure of amorphous carbon nitride.
Figure 11 is different bombax cotton additive amounts of the invention in the resulting carbon doping amorphous carbon nitride of 550 DEG C of sintering
Photolysis water hydrogen catalytic performance figure.
Figure 12 is different bombax cotton additive amounts of the invention in the resulting carbon doping amorphous carbon nitride of 600 DEG C of sintering
Photolysis water hydrogen catalytic performance figure.
Specific embodiment
The present invention provides a kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation methods, to make mesh of the invention
, technical solution and effect it is clearer, clear, the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
The present invention provides a kind of preferred embodiments of the preparation method of carbon doping amorphous carbon nitride, by biomass fibre
Peacekeeping melamine is formed by calcining.
By using pure natural carbon source material（Biomass fiber）As template carbon source, melamine is as synthesis carbonitride
Presoma obtained a kind of carbon doping amorphous carbon nitride photochemical catalyst by calcining.Carbon of the invention adulterates amorphous nitrogen
Visible light, light induced electron and hole can be efficiently used to can be realized quick separating and be transferred to interface by changing carbon, and then effectively
Improve the performance of photodestruciton water preparation renewable energy hydrogen, high catalytic efficiency in ground.And equipment requirement needed for preparation method is low,
The prices of raw materials are cheap to be easy to get, and preparation flow is simple, meets the theory of environmentally protective new energy.
Specifically, first dispersing the biomass fiber and the melamine in organic solvent, wherein biomass
Fiber can be bombax cotton or bamboo pulp fiber or other synthesising biological matter fibers, preferably bombax cotton（KF）, bombax cotton
The characteristic for having surface hydrophobicity characteristic and gently floating is the biomass carbon source of lightweight high-ratio surface, can effectively improve amorphous nitridation
The epitaxial growth density of carbon improves catalytic efficiency.Preferably, the mass ratio of the biomass fiber and the melamine is
0.005-0.1：1.Biomass fiber too high levels are readily incorporated excessive carbon fiber, generate shadow effect, and visible light is stopped to shine
It is mapped in carbon nitride catalyst, reduces photon utilization efficiency, hamper utilization of the carbonitride to light.
Then for 24 hours by drying at above-mentioned mixed liquor progress solvent evaporation, such as 60 DEG C.Solid matter is put into sintering furnace again
In, finally calcined.Preferred calcination temperature is 500-700 DEG C, and temperature is too low, and melamine can not aggregate into carbonitride,
And more than 700, carbonitride is unstable, it may occur that disintegrates.Preferred sintering time is 2.5-4h.
The present invention also provides a kind of carbon to adulterate amorphous carbon nitride photochemical catalyst, using the preparation of above-mentioned preparation method
At.The carbon adulterates amorphous carbon nitride photochemical catalyst：Biomass fiber after carbonization and after being grown on the carbonization
The amorphous carbon nitride of carbon dope on biomass fiber.Bombax cotton shows 10 μm of diameter or so of tubulose, trimerization after sintering
Cyanamide, which is put forth effort on, carries out the amorphous carbon nitride that epitaxial growth goes out thin layer carbon dope on the kapok after carbonization.The material is conducive to sufficiently
Visible light, light induced electron and hole is absorbed and utilized to can be realized quick separating and be transferred to interface, and then effectively improves light
The performance of splitting water preparation renewable energy hydrogen.
Below by embodiment, the present invention is described in detail, for the convenience of description, the carbon doping by synthesis is amorphous
The product of carbonitride is named as nCCNx, wherein n is bombax cotton and melamine mass ratio, and ratio is percentage（n%）, x
For calcination temperature；Such as bombax cotton and melamine mass ratio are 0.005:1, i.e. n=0.5,550 DEG C of sintering products obtained therefroms, life
Entitled 0.5CCN550.
Embodiment 1（The preparation of 5CCN550）
The melamine for weighing 0.1g bombax cotton and 2g is placed in crucible, and 2ml ethyl alcohol is then added and stirs, is uniformly dispersed
Afterwards, crucible is placed in 60 DEG C of baking ovens of baking oven and is dried for 24 hours；It is again that crucible is with cover, it is placed in Muffle furnace, heats up（2℃/min）Extremely
550 DEG C of calcining 3h, obtain 5CCN550.
Embodiment 2（The preparation of 2.5CCN600）
The melamine for weighing 0.05g bombax cotton and 2g is placed in crucible, and 2ml ethyl alcohol is then added and stirs, is uniformly dispersed
Afterwards, crucible is placed in 60 DEG C of baking ovens of baking oven and is dried for 24 hours；It is again that crucible is with cover, it is placed in Muffle furnace, heats up（2℃/min）Extremely
600 DEG C of calcining 3h, obtain 2.5CCN600.
Embodiment 3（The preparation of 0.5CCN650）
The melamine for weighing 0.01g bombax cotton and 2g is placed in crucible, and 2ml ethyl alcohol is then added and stirs, is uniformly dispersed
Afterwards, crucible is placed in 60 DEG C of baking ovens of baking oven and is dried for 24 hours；It is again that crucible is with cover, it is placed in Muffle furnace, heats up（2℃/min）Extremely
650 DEG C of calcining 3h, obtain 0.5CCN650.
The reference examples of other ratios and sintering temperature can refer to above method preparation in Figure of description, and the present invention is no longer
It repeats.
Characterization and test
Structural characterization：Use X-ray diffraction（XRD）Analysis crystallization situation, uses scanning electron microscope（SEM）With projection Electronic Speculum（TEM）Observation
Material morphology and energy disperse spectroscopy（EDS）Carry out detection elements component, with UV-vis DRS spectrum（UV-vis DRS）Characterize material
Material strip is wide and to light absorption.
Photocatalysis performance test：By in visible light（λ≥420 nm）Optical intensity density is 100mW/cm2Hydrogen production by water decomposition into
Row assessment.Experimentation is as follows：10mg photochemical catalyst is dispersed in equipped with 90ml H2O, 10 ml triethanolamines, 3wt%
H2PtCl6In solution, golden source hydrogen manufacturing system is taught to be tested in.In entire illumination, every 30min gas-chromatography GC
Automatic sampling detects hydrogen content.
Compare 2.5CCN600 prepared by the present invention（Fig. 1）, carbonitride CN600（Fig. 2）And bombax cotton（Fig. 3）SEM
Image, it can be seen that purity nitrogen coke build-up it is very close, show the structure of block, bombax cotton shows 10 μm of left sides of diameter
Right tubulose, 2.5CCN600 then can see apparent layering, the whole random agaric of topographic image, and thin layer clearly may be used
See.
Compare 2.5CCN600 of the invention（Fig. 4）And carbonitride CN600（Fig. 5）TEM image, it can be seen that carbon dope
Unformed carbonitride（Fig. 4）, pattern is soft very much, layer good dispersion, the side of black, is unformed after bombax cotton is carbonized
Carbon, in sintering process, bombax cotton is first carbonized, outer on the bombax cotton of the melamine being mixed then in the carbonized
Prolong and grow carbonitride, is introduced into bombax cotton and enables to reach good layered effect in melamine heat polymerization process.And
Pure carbonitride（Fig. 5）Show high-crystallinity effect and stacked in layers.
From EDS energy spectrum diagram（Fig. 6, Fig. 7）As can be seen that the essential element of 2.5CCN600 and carbonitride CN600 composition are
C and N is added after bombax cotton, and carbon content increases, and illustrates that catalyst realizes carbon dope.And do not have besides oxygen
Other miscellaneous elements exist.
Fig. 8 is different bombax cottons prepared by the present invention（KF）The carbon of additive amount adulterates unformed carbonitride and KF's
XRD diagram；With the addition of bombax cotton, carbonitride crystallization effect is deteriorated, and amorphization is presented in feature peak broadening, carbonitride.
Fig. 9, Figure 10 be the carbon of different bombax cotton additive amounts prepared by the present invention adulterate that unformed carbonitride is ultraviolet can
See the spectrogram UV-vis DRS that diffuses（Fig. 9）And bandwidth figure（Figure 10）.After introducing kapok fibre, product is to visible absorption
Increase；Catalyst semiconductor bandwidth becomes more and more narrow also with doping increase simultaneously, increases to the utilization rate of visible light.
Figure 11, Figure 12 are different bombax cotton additive amounts prepared by the present invention at 550 DEG C（Figure 11）With 600 DEG C（Figure
12）Resulting carbon adulterates unformed carbonitride photolysis water hydrogen catalytic performance figure.It can be seen that the addition of bombax cotton, i.e. carbon dope
Unformed carbon nitride material system is conducive to improve the Photocatalyzed Hydrogen Production activity of carbon nitride material, and catalyst is mentioned with calcination temperature
It rises, catalytic activity can have a distinct increment.
After tested, in carbon of the invention doping amorphous carbon nitride, hydrogen output is under six hours light conditions of 5CCN550
19.5umol is 12 times of the pure carbonitride CN550 hydrogen output obtained under the conditions of.Six hours hydrogen outputs of 2.5CCN600 are reachable
Nearly 40umol is nearly 7 times of the synthermal lower pure carbonitride CN600 burnt.Six hours hydrogen outputs of 0.5CCN650 are highest, can
It is 3 times of the synthermal lower pure carbonitride CN650 burnt to reach 70 umol, 650 DEG C are calcined, and bombax cotton additive amount is
When 0.5%, i.e. 0.5CCN650 catalytic efficiency is best.
In conclusion the present invention provides a kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method, the present invention
The photochemical catalyst of the carbon doping amorphous carbon nitride of preparation, can efficiently use visible light, light induced electron and hole to can be real
Existing quick separating is simultaneously transferred to interface, and then improves the performance of photodestruciton water preparation renewable energy hydrogen, realizes photocatalysis
Hydrogen output reaches more than ten times of increase.Equipment requirement needed for this preparation method is low, and raw material melamine is cheap to be easy
It arrives, without reaction units such as valuable processing synthesis device and high temperature and pressure, process is simple, meets the reason of environmentally protective new energy
It reads, is suitable for high-volume and synthesizes.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (7)
1. a kind of preparation method of carbon doping amorphous carbon nitride photochemical catalyst, which is characterized in that use biomass fiber and three
The carbon doping amorphous carbon nitride photochemical catalyst is prepared by calcining in poly cyanamid.
2. the preparation method of carbon doping amorphous carbon nitride photochemical catalyst according to claim 1, which is characterized in that described
Biomass fiber is bombax cotton or bamboo pulp fiber.
3. the preparation method of carbon doping amorphous carbon nitride photochemical catalyst according to claim 1, which is characterized in that described
The mass ratio of biomass fiber and the melamine is 0.005-0.1：1.
4. the preparation method of carbon doping amorphous carbon nitride photochemical catalyst according to claim 1, which is characterized in that by institute
It states biomass fiber and the melamine is scattered in organic solvent, then evaporate the organic solvent, then calcined, make
It is standby to obtain the carbon doping amorphous carbon nitride photochemical catalyst.
5. the preparation method of carbon doping amorphous carbon nitride photochemical catalyst according to claim 1 to 4, feature exist
In the temperature of calcining is 500-700 DEG C.
6. the preparation method of carbon doping amorphous carbon nitride photochemical catalyst according to claim 1 to 4, feature exist
In the time of calcining is 2.5-4h.
7. a kind of carbon adulterates amorphous carbon nitride photochemical catalyst, which is characterized in that the carbon adulterates amorphous carbon nitride photocatalysis
Agent includes：The amorphous nitridation of biomass fiber after carbonization and the carbon dope on the biomass fiber being grown on after the carbonization
Carbon；
The carbon doping amorphous carbon nitride photochemical catalyst is prepared by any preparation method of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889288.0A CN108855195A (en) | 2018-08-07 | 2018-08-07 | A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889288.0A CN108855195A (en) | 2018-08-07 | 2018-08-07 | A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108855195A true CN108855195A (en) | 2018-11-23 |
Family
ID=64317194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889288.0A Pending CN108855195A (en) | 2018-08-07 | 2018-08-07 | A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108855195A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735963A (en) * | 2019-01-16 | 2019-05-10 | 江苏理工学院 | A kind of preparation method and applications of azotized carbon nano fiber |
| CN110280289A (en) * | 2019-07-05 | 2019-09-27 | 上海理工大学 | A kind of carbonitride catalysis material and preparation method thereof |
| CN110813353A (en) * | 2019-11-07 | 2020-02-21 | 中国石油大学(北京) | Carbon-doped mesoporous graphitized carbon nitride nanosphere and preparation method and application thereof |
| CN110860274A (en) * | 2019-11-19 | 2020-03-06 | 南京工程学院 | Method for preparing adsorption coke by using waste lile pillow |
| CN111389448A (en) * | 2020-05-06 | 2020-07-10 | 西南科技大学 | Graded porous g-C for photocatalytic degradation3N4Preparation method of @ wood composite material |
| CN111517306A (en) * | 2020-04-29 | 2020-08-11 | 内蒙古民族大学 | Graphene-like/biomass carbon fiber aerogel and preparation method and application thereof |
| CN112138694A (en) * | 2019-06-28 | 2020-12-29 | 河北工业大学 | Graphite phase carbon nitride/silver/biomass charcoal and preparation method and application thereof |
| CN114410177A (en) * | 2022-02-25 | 2022-04-29 | 浙江鱼童新材料股份有限公司 | Low-surface-energy marine antifouling paint and preparation method thereof |
| US11351532B2 (en) * | 2018-07-30 | 2022-06-07 | Suzhou University of Science and Technology | Photocatalytic composite material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032469A (en) * | 2015-08-11 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Biomass base nitrogen-doped graphene/carbon fiber electrocatalyst and preparation method thereof |
-
2018
- 2018-08-07 CN CN201810889288.0A patent/CN108855195A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032469A (en) * | 2015-08-11 | 2015-11-11 | 中国人民解放军国防科学技术大学 | Biomass base nitrogen-doped graphene/carbon fiber electrocatalyst and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| MOHAMAD AZUWA MOHAMED ET AL.，: "Constructing bio-templated 3D porous microtubular C-doped g-C3N4 with tunable band structure and enhanced charge carrier separation", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11351532B2 (en) * | 2018-07-30 | 2022-06-07 | Suzhou University of Science and Technology | Photocatalytic composite material and preparation method and application thereof |
| CN109735963A (en) * | 2019-01-16 | 2019-05-10 | 江苏理工学院 | A kind of preparation method and applications of azotized carbon nano fiber |
| CN109735963B (en) * | 2019-01-16 | 2021-12-21 | 江苏理工学院 | Preparation method and application of carbon nitride nanofiber |
| CN112138694A (en) * | 2019-06-28 | 2020-12-29 | 河北工业大学 | Graphite phase carbon nitride/silver/biomass charcoal and preparation method and application thereof |
| CN112138694B (en) * | 2019-06-28 | 2023-04-14 | 河北工业大学 | Graphite-phase carbon nitride/silver/biomass charcoal and preparation method and application thereof |
| CN110280289A (en) * | 2019-07-05 | 2019-09-27 | 上海理工大学 | A kind of carbonitride catalysis material and preparation method thereof |
| CN110280289B (en) * | 2019-07-05 | 2022-07-29 | 上海理工大学 | Carbon nitride photocatalytic material and preparation method thereof |
| CN110813353A (en) * | 2019-11-07 | 2020-02-21 | 中国石油大学(北京) | Carbon-doped mesoporous graphitized carbon nitride nanosphere and preparation method and application thereof |
| CN110860274A (en) * | 2019-11-19 | 2020-03-06 | 南京工程学院 | Method for preparing adsorption coke by using waste lile pillow |
| CN110860274B (en) * | 2019-11-19 | 2022-06-17 | 南京工程学院 | Method for preparing adsorption coke by using waste lile pillow |
| CN111517306A (en) * | 2020-04-29 | 2020-08-11 | 内蒙古民族大学 | Graphene-like/biomass carbon fiber aerogel and preparation method and application thereof |
| CN111389448A (en) * | 2020-05-06 | 2020-07-10 | 西南科技大学 | Graded porous g-C for photocatalytic degradation3N4Preparation method of @ wood composite material |
| CN114410177A (en) * | 2022-02-25 | 2022-04-29 | 浙江鱼童新材料股份有限公司 | Low-surface-energy marine antifouling paint and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108855195A (en) | A kind of carbon doping amorphous carbon nitride photochemical catalyst and preparation method | |
| Zhang et al. | Synthesis of graphitic carbon nitride by heating mixture of urea and thiourea for enhanced photocatalytic H2 production from water under visible light | |
| CN108465477A (en) | The Preparation method and use of Three-element composite photocatalyst | |
| CN106882787A (en) | A kind of N doping ordered mesoporous carbon material and preparation method thereof | |
| CN109746017B (en) | Preparation method of P-doped solvent thermal graphite phase carbon nitride photocatalyst | |
| CN109999874A (en) | A kind of richness nitrogen azotized carbon nano pipe photochemical catalyst and preparation method and application | |
| CN112076777B (en) | For CO2Reduced photocatalyst and preparation method thereof | |
| CN113318764A (en) | Preparation method and application of nitrogen defect/boron doped tubular carbon nitride photocatalyst | |
| CN110548534A (en) | preparation method of amino-modified flaky carbon nitride photocatalytic material | |
| CN113134381B (en) | Bi 4 O 5 I 2 Carbon nitride boron quantum dot photocatalytic material and preparation method and application thereof | |
| CN111298825A (en) | Carbon nitride-molybdenum disulfide composite material and preparation method thereof | |
| CN111974432A (en) | Preparation method of oxygen-doped graphite-phase carbon nitride-cadmium sulfide composite material | |
| CN110876953A (en) | P and S co-doped carbon nitride homotype heterojunction composite photocatalyst | |
| CN112604690A (en) | Method for preparing rare earth perovskite/biochar composite material by using agricultural and forestry wastes and application thereof | |
| CN113680346A (en) | Core-shell structure reduction carbon dioxide photocatalyst and preparation method and application thereof | |
| CN109701577B (en) | Method for preparing porous graphite phase carbon nitride by using carbon nano tube as hard template | |
| CN111085236A (en) | Preparation method of flexible recyclable photocatalytic film of carbon cloth loaded boron-doped graphite-phase carbon nitride | |
| CN106238077A (en) | A kind of carbon fiber@molybdenum disulfide nano sheet core-shell structure and preparation method thereof | |
| CN105879885B (en) | Visible light photolytic hydrogen production catalyst and preparation method thereof | |
| CN109761207B (en) | 3D graphite phase carbon nitride material and preparation method thereof | |
| CN115418225B (en) | Preparation method of phosphorus doped modified carbon quantum dot and composite photocatalyst thereof | |
| CN111036255A (en) | Preparation method and application of reed-based SiC/C photocatalytic hydrogen production catalytic material | |
| CN114452998B (en) | Preparation method and application of multiwall carbon nanotube and graphitized carbon nitride composite material | |
| CN113694953B (en) | Preparation method of carbon cloth/large-area two-dimensional graphite-phase carbon nitride nanosheet hydrogen production photocatalytic film | |
| CN113441165B (en) | VN/g-C 3 N 4 Composite photocatalyst 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |