CN103920518A - High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst - Google Patents
High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst Download PDFInfo
- Publication number
- CN103920518A CN103920518A CN201410148267.5A CN201410148267A CN103920518A CN 103920518 A CN103920518 A CN 103920518A CN 201410148267 A CN201410148267 A CN 201410148267A CN 103920518 A CN103920518 A CN 103920518A
- Authority
- CN
- China
- Prior art keywords
- photochemical catalyst
- synthetic method
- sulphur modification
- high visible
- carbonitride photochemical
- 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
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Catalysts (AREA)
Abstract
The invention relates discloses a high-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as a synthetic method and application of photocatalyst, relating to the technical fields of material preparation and photocatalysis and solving the problem of low activity of an existing graphite-phase carbon nitride catalyst caused by the low visible light absorption coefficient and the large electron hole recombination rate. The synthetic method comprises the following steps: (1) grinding melamine and sublimed sulfur, and uniformly mixing the melamine with the sublimed sulfur so as to obtain mixed powder; (2) filling a combustion boat with the mixed powder obtained in the step (1), putting the combustion boat into a tube furnace, heating the tube furnace from the room temperature to 550-650 DEG C according to a heating rate of 5 DEG C/minute-15 DEG C/minute in the presence of argon, keeping the temperature for 1-4 hours, and cooling the tube furnace to room temperature so as to obtain the sulfur-modified carbon nitride photocatalyst. The sulfur-modified carbon nitride photocatalyst disclosed by the invention can be applied to the fields of producing hydrogen by decomposing water by virtue of visible light and degrading pollutants.
Description
Technical field
The present invention relates to material preparation and light-catalysed technical field, relate in particular to a kind of synthetic method and application with the sulphur modification carbonitride photochemical catalyst of high visible activity.
Background technology
Along with the appearance of energy crisis and the deterioration of global environment, the energy and environment are 21 century facing mankinds and significant problem urgently to be resolved hurrily.Problem in the urgent need to address is the utilization rate of exploring new forms of energy and improving the energy at present.In numerous new forms of energy, solar energy is the inexhaustible disposable energy; Solar energy be converted into storable electric energy, chemical energy is one of most interested research topic of people.Hydrogen Energy is the regenerative resource of clean and effective, is generally considered to desirable green energy resource of a kind of new century.Utilize decomposing water with solar energy hydrogen manufacturing, energy density is low, dispersed strong solar energy is converted into Hydrogen Energy, becomes the desirable countermeasure that solves current increasingly serious environmental pollution and energy shortage problem.
Recently, novel graphite-phase carbonitride photochemical catalyst is subject to researcher's a favor with its suitable energy gap and good chemical stability, yet this graphite-phase carbonitride photochemical catalyst is because its visible absorption coefficient is little and electron-hole recombination rate causes its activity low greatly.
Summary of the invention
The present invention is for solving existing graphite-phase carbonitride photochemical catalyst because its visible absorption coefficient is little and electron-hole recombination rate causes greatly its active low problem, and a kind of synthetic method and application with the sulphur modification carbonitride photochemical catalyst of high visible activity is provided.
A kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity of the present invention is carried out according to the following steps:
One, melamine and sublimed sulfur are placed in to agate mortar and are ground to and mix, obtain mixed powder; Described melamine and the mass ratio of sublimed sulfur are 1:(0.5～2);
Two, mixed powder step 1 being obtained packs into after porcelain boat, put into tube furnace, under argon gas atmosphere, by tube furnace heating rate, be 5 ℃/min～15 ℃/min, after tube furnace is warming up to temperature and is 550～650 ℃ by room temperature, in temperature, be constant temperature 1h～4h at 550～650 ℃, then under argon gas atmosphere, be cooled to room temperature, obtain sulphur modification carbonitride photochemical catalyst.
A kind of sulphur modification carbonitride photocatalyst applications with high visible activity of the present invention is in using visible light to decompose water and make hydrogen and degradation of contaminant field.
Beneficial effect of the present invention:
Sulphur is common light yellow crystal, because of its unique physical property and multivalence redox characteristic be widely used in inorganic material synthetic in.The present invention to the modification of graphite-phase carbonitride, can improve visible absorption scope and the separation of charge efficiency of graphite-phase carbonitride photochemical catalyst by sulphur, increases its visible absorption, thereby significantly improves the visible light catalysis activity of carbonitride photochemical catalyst.The present invention, with raw material cheap and easy to get, has prepared sulphur modification carbonitride visible light catalyst by simple heat treating process.Simple to operate, synthetic convenient, and successful, sulphur modification carbonitride photochemical catalyst of the present invention is compared with graphite-phase carbonitride photochemical catalyst, and the product hydrogen activity of sulphur modification carbonitride photochemical catalyst obviously improves, and hydrogen-producing speed has improved 5 times.Sulphur modification carbonitride photochemical catalyst of the present invention is compared with graphite-phase carbonitride photochemical catalyst, and fluorescence intensity obviously reduces, and the separative efficiency that has effectively improved electric charge by sulphur modification carbonitride photochemical catalyst is described.
Accompanying drawing explanation
Fig. 1 is the SEM photo of the test one sulphur modification carbonitride photochemical catalyst obtaining;
Fig. 2 is three times (one) middle photocatalytic hydrogen production by water decomposition performance comparison curve maps of test; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, and 2 is existing graphite-phase carbonitride photochemical catalyst;
Fig. 3 is three times visible diffuse reflection spectrograms of (two) medium ultraviolet of test; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, and 2 is existing graphite-phase carbonitride photochemical catalyst;
Fig. 4 is three times (three) middle fluorescence spectrum figure of test; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, and 2 is existing graphite-phase carbonitride photochemical catalyst;
Fig. 5 is Photocatalytic activity curve map in test four; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, and 2 is existing graphite-phase carbonitride photochemical catalyst.
The specific embodiment
The specific embodiment one: a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity of present embodiment is carried out according to the following steps:
One, melamine and sublimed sulfur are placed in to agate mortar and are ground to and mix, obtain mixed powder; Described melamine and the mass ratio of sublimed sulfur are 1:(0.5～2);
Two, mixed powder step 1 being obtained packs into after porcelain boat, put into tube furnace, under argon gas atmosphere, by tube furnace heating rate, be 5 ℃/min～15 ℃/min, after tube furnace is warming up to temperature and is 550～650 ℃ by room temperature, in temperature, be constant temperature 1h～4h at 550～650 ℃, then under argon gas atmosphere, be cooled to room temperature, obtain sulphur modification carbonitride photochemical catalyst.
The raw material adopting in present embodiment is the pure raw material of commercially available analysis.
Sulphur is common light yellow crystal, because of its unique physical property and multivalence redox characteristic be widely used in inorganic material synthetic in.Present embodiment to the modification of graphite-phase carbonitride, can improve visible absorption scope and the separation of charge efficiency of graphite-phase carbonitride photochemical catalyst by sulphur, increases its visible absorption, thereby significantly improves the visible light catalysis activity of carbonitride photochemical catalyst.Present embodiment, with raw material cheap and easy to get, has been prepared sulphur modification carbonitride visible light catalyst by simple heat treating process.Simple to operate, synthetic convenient, and successful, the sulphur modification carbonitride photochemical catalyst of present embodiment is compared with graphite-phase carbonitride photochemical catalyst, and the product hydrogen activity of sulphur modification carbonitride photochemical catalyst obviously improves, and hydrogen-producing speed has improved 5 times.The sulphur modification carbonitride photochemical catalyst of present embodiment is compared with graphite-phase carbonitride photochemical catalyst, and fluorescence intensity obviously reduces, and the separative efficiency that has effectively improved electric charge by sulphur modification carbonitride photochemical catalyst is described.
The specific embodiment two: present embodiment is different from the specific embodiment one: the mass ratio of the melamine described in step 1 and sublimed sulfur is 1:1.Other steps and parameter are identical with the specific embodiment one.
The specific embodiment three: present embodiment is different from the specific embodiment one or two: in step 1, melamine and sublimed sulfur are placed in to agate mortar and grind 25min～35min.Other steps and parameter are identical with the specific embodiment one or two.
The specific embodiment four: present embodiment is different from one of specific embodiment one to three: in step 1, melamine and sublimed sulfur are placed in to agate mortar and grind 30min.Other steps and parameter are identical with one of specific embodiment one to three.
The specific embodiment five: present embodiment is different from one of specific embodiment one to four: be 5 ℃/min～10 ℃/min by tube furnace heating rate under argon gas atmosphere in step 2.Other steps and parameter are identical with one of specific embodiment one to four.
The specific embodiment six: present embodiment is different from one of specific embodiment one to five: in step 2, tube furnace being warming up to temperature by room temperature is 600～650 ℃.Other steps and parameter are identical with one of specific embodiment one to five.
The specific embodiment seven: present embodiment is different from the specific embodiment six: be constant temperature 2h～4h at 600～650 ℃ in temperature in step 2.Other steps and parameter are identical with the specific embodiment to six.
The specific embodiment eight: present embodiment is different from one of specific embodiment one to seven: in step 2, argon gas flow velocity is 150mL/min～300mL/min.Other steps and parameter are identical with one of specific embodiment one to seven.
The specific embodiment nine: present embodiment is different from one of specific embodiment one to eight: in step 2, argon gas flow velocity is 200mL/min～300mL/min.Other steps and parameter are identical with one of specific embodiment one to eight.
The specific embodiment ten: a kind of sulphur modification carbonitride photocatalyst applications with high visible activity of present embodiment is in using visible light to decompose water and make hydrogen and degradation of contaminant field.
With following verification experimental verification beneficial effect of the present invention:
A kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity of test one, this test is carried out according to the following steps:
One, 2g poly cyanamid and 2g sublimed sulfur are placed in to agate mortar and grind 30min, obtain mixed powder;
Two, mixed powder step 1 being obtained packs into after porcelain boat, put into tube furnace, under argon gas atmosphere, by tube furnace heating rate, be 5 ℃/min, after tube furnace is warming up to temperature and is 650 ℃ by room temperature, in temperature, be constant temperature 2h at 650 ℃, then under argon gas atmosphere, be cooled to room temperature, obtain sulphur modification carbonitride photochemical catalyst.
In this test, argon gas flow velocity is 200mL/min.
(1) adopt FEIQUANTA200F field emission scanning electron microscope to carry out electron-microscope scanning to testing a sulphur modification carbonitride photochemical catalyst obtaining, obtain the SEM figure of sulphur modification carbonitride photochemical catalyst as shown in Figure 1.Testing as can be seen from Figure 1 a sulphur modification carbonitride photochemical catalyst obtaining is lamella pattern.
Test two, the sulphur modification carbonitride photochemical catalyst photocatalytic hydrogen production by water decomposition that utilizes test one to prepare, detailed process is as follows:
Take the sulphur modification carbonitride photochemical catalyst powder of 0.1g test one preparation, be scattered in the aqueous solution of 300mL triethanolamine, ultrasonic processing 5min under the condition that is 40KHz in supersonic frequency, then take 300W xenon lamp as light source, under the 300W xenon source irradiation in light path by optical filter (λ >400nm), react 1h.
In the aqueous solution of the triethanolamine described in this test, triethanolamine volume fraction is 10%.
Test three, utilize existing graphite-phase carbonitride photochemical catalyst photocatalytic hydrogen production by water decomposition as a control group, detailed process is as follows:
Take the existing graphite-phase carbonitride of 0.1g photochemical catalyst powder, be scattered in the aqueous solution of 300mL triethanolamine, ultrasonic processing 5min under the condition that is 40KHz in supersonic frequency, then take 300W xenon lamp as light source, under the 300W xenon source irradiation in light path by optical filter (λ >400nm), react 1h.
In the aqueous solution of the triethanolamine described in this test, triethanolamine volume fraction is 10%.
(1) adopt U.S. Agilent company 7890 gas-chromatography testing experiments two of producing and the amount of testing the angry body of tertiary industry, obtain photocatalytic hydrogen production by water decomposition performance comparison curve map as shown in Figure 2; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, 2 is existing graphite-phase carbonitride photochemical catalyst, as can be seen from Figure 2 sulphur modification carbonitride photochemical catalyst is compared with graphite-phase carbonitride photochemical catalyst, the product hydrogen activity of sulphur modification carbonitride photochemical catalyst obviously improves, and hydrogen-producing speed has improved 5 times.
(2) adopt TU-1900 spectrophotometer to carry out UV-vis DRS test to testing a sulphur modification carbonitride photochemical catalyst obtaining and existing graphite-phase carbonitride photochemical catalyst, obtain UV-vis DRS spectrogram as shown in Figure 3; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, and 2 is existing graphite-phase carbonitride photochemical catalyst, compares as can be seen from Figure 3 with graphite-phase carbonitride, and the absorption of sulphur modification carbonitride strengthens, and absorbs generation red shift.
(3) adopt Perkin-Elmer, LS-55 XRF carries out fluorescence spectrum detection to testing a sulphur modification carbonitride photochemical catalyst obtaining and existing graphite-phase carbonitride photochemical catalyst, obtains fluorescence spectrum figure as shown in Figure 4; Wherein 1 is the test one sulphur modification carbonitride photochemical catalyst obtaining, 2 is existing graphite-phase carbonitride photochemical catalyst, testing as can be seen from Figure 4 a sulphur modification carbonitride photochemical catalyst obtaining compares with graphite-phase carbonitride photochemical catalyst, fluorescence intensity obviously reduces, and the separative efficiency that has effectively improved electric charge by sulphur modification carbonitride photochemical catalyst is described.
Test four, the sulphur modification carbonitride photocatalyst for degrading pollutant that utilizes test one to prepare, with graphite-phase carbonitride as a control group, detailed process is as follows:
Take the sulphur modification carbonitride photochemical catalyst powder of 0.05g test one preparation, being scattered in 100mL initial concentration is in the RhB solution of 10mgL 1, ultrasonic processing 5min under the condition that is 40KHz in supersonic frequency, at lucifuge place, stir 1h, reach the adsorption-desorption balance between catalyst and dyestuff, then take 300W xenon lamp as light source, under the 300W xenon source irradiation in light path by optical filter (λ >400nm), react.
Take the existing graphite-phase carbonitride of 0.05g, being scattered in 100mL initial concentration is in the RhB solution of 10mgL 1, ultrasonic processing 5min under the condition that is 40KHz in supersonic frequency, at lucifuge place, stir 1h, reach the adsorption-desorption balance between catalyst and dyestuff, then take 300W xenon lamp as light source, under the 300W xenon source irradiation in light path by optical filter (λ >400nm), react.
Every 10min, get 1mL reactant liquor centrifugal rear by its absorbance of TU-1900 spectrophotometric instrumentation.Obtain Photocatalytic activity curve map as shown in Figure 5, wherein 1 for testing the sulphur modification carbonitride photochemical catalyst of a preparation, 2 is existing graphite-phase carbonitride, as can be seen from Figure 5, after the sulphur modification carbonitride photochemical catalyst illumination 60min of test one preparation, RhB degradation rate can reach 100%, than existing graphite-phase carbonitride degradation rate, has improved nearly 1 times.
Claims (10)
1. a synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity, is characterized in that a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity carries out according to the following steps:
One, melamine and sublimed sulfur are placed in to agate mortar and are ground to and mix, obtain mixed powder; Described melamine and the mass ratio of sublimed sulfur are 1:(0.5～2);
Two, mixed powder step 1 being obtained packs into after porcelain boat, put into tube furnace, under argon gas atmosphere, by tube furnace heating rate, be 5 ℃/min～15 ℃/min, after tube furnace is warming up to temperature and is 550～650 ℃ by room temperature, in temperature, be constant temperature 1h～4h at 550～650 ℃, then under argon gas atmosphere, be cooled to room temperature, obtain sulphur modification carbonitride photochemical catalyst.
2. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 1, the mass ratio that it is characterized in that the melamine described in step 1 and sublimed sulfur is 1:1.
3. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 1 and 2, is placed in agate mortar by melamine and sublimed sulfur in its characterization step one and grinds 25min～35min.
4. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 3, is characterized in that in step 1 that melamine and sublimed sulfur are placed in to agate mortar grinds 30min.
5. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 3, is characterized in that in step 2 that under argon gas atmosphere by tube furnace heating rate be 5 ℃/min～10 ℃/min.
6. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 3, is characterized in that in step 2, tube furnace being warming up to temperature by room temperature is 600～650 ℃.
7. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 6, is characterized in that in step 2 being constant temperature 2h～4h at 600～650 ℃ in temperature.
8. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 3, is characterized in that in step 2, argon gas flow velocity is 150mL/min～300mL/min.
9. a kind of synthetic method with the sulphur modification carbonitride photochemical catalyst of high visible activity according to claim 3, is characterized in that in step 2, argon gas flow velocity is 200mL/min～300mL/min.
10. there is an application for the sulphur modification carbonitride photochemical catalyst of high visible activity, it is characterized in that a kind of sulphur modification carbonitride photocatalyst applications with high visible activity is in using visible light to decompose water and make hydrogen and degradation of contaminant field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148267.5A CN103920518A (en) | 2014-04-14 | 2014-04-14 | High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410148267.5A CN103920518A (en) | 2014-04-14 | 2014-04-14 | High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103920518A true CN103920518A (en) | 2014-07-16 |
Family
ID=51139051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410148267.5A Pending CN103920518A (en) | 2014-04-14 | 2014-04-14 | High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103920518A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126908A (en) * | 2015-08-24 | 2015-12-09 | 福州大学 | Sulfur-doped covalent triazine organic polymer visible photocatalyst, and preparation method and application thereof |
| CN106311306A (en) * | 2016-08-22 | 2017-01-11 | 大连工业大学 | Method for preparing lithium-doped graphite phase carbon nitride material |
| CN106505183A (en) * | 2015-09-08 | 2017-03-15 | 中国科学院宁波材料技术与工程研究所 | Carbonitride-sulphur composite and its preparation method and application |
| CN106549157A (en) * | 2015-09-18 | 2017-03-29 | 中国科学院宁波材料技术与工程研究所 | Hollow ball shape class graphite-phase C3N4With elemental sulfur composite material and its preparation method and application |
| CN107511160A (en) * | 2017-08-07 | 2017-12-26 | 锡林郭勒职业学院 | A kind of MOX/g C3N4@SiO2The preparation method and applications of catalyst |
| CN107732208A (en) * | 2017-10-16 | 2018-02-23 | 河源广工大协同创新研究院 | The preparation method of nano-sulfur/nitridation carbon composite anode material |
| CN108320857A (en) * | 2018-01-30 | 2018-07-24 | 上海大学 | The method for preparing MgB 2 superconductor wire material using class graphite phase carbon nitride in-stiu coating boron powder |
| CN109772414A (en) * | 2019-02-26 | 2019-05-21 | 江苏大学 | A kind of preparation method of the red carbon nitride photocatalyst of wide spectrum response |
| CN109772409A (en) * | 2019-02-15 | 2019-05-21 | 江苏大学 | B, S codope azotized carbon nano pipe photochemical catalyst and preparation method and application |
| CN111330616A (en) * | 2020-03-05 | 2020-06-26 | 江苏海洋大学 | Preparation of graphite-like phase carbon nitride |
| CN116371441A (en) * | 2023-02-22 | 2023-07-04 | 武汉工程大学 | Sulfur-containing carbon nitride material, preparation method thereof and application thereof in photocatalytic hydrogen production |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502540A (en) * | 2011-11-24 | 2012-06-20 | 重庆工商大学 | C3N4 preparation method |
| CN103170358A (en) * | 2013-04-08 | 2013-06-26 | 清华大学 | Porous g-C3N4 photocatalyst and preparation method thereof |
-
2014
- 2014-04-14 CN CN201410148267.5A patent/CN103920518A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502540A (en) * | 2011-11-24 | 2012-06-20 | 重庆工商大学 | C3N4 preparation method |
| CN103170358A (en) * | 2013-04-08 | 2013-06-26 | 清华大学 | Porous g-C3N4 photocatalyst and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| GANG LIU等: "Unique Electronic Structure Induced High Photoreactivity of Sulfur-Doped Graphitic C3N4", 《JOURNAL OF THE AMERICAN CHEMICAL SOCIETY》 * |
| JINSHUI ZHANG等: "Synthesis of Carbon Nitride Semiconductors in Sulfur Flux for Water Photoredox Catalysis", 《ACS CATALYSIS》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126908B (en) * | 2015-08-24 | 2017-09-22 | 福州大学 | Sulfur doping covalent triazine organic polymer visible light catalyst and its preparation and application |
| CN105126908A (en) * | 2015-08-24 | 2015-12-09 | 福州大学 | Sulfur-doped covalent triazine organic polymer visible photocatalyst, and preparation method and application thereof |
| CN106505183A (en) * | 2015-09-08 | 2017-03-15 | 中国科学院宁波材料技术与工程研究所 | Carbonitride-sulphur composite and its preparation method and application |
| CN106549157A (en) * | 2015-09-18 | 2017-03-29 | 中国科学院宁波材料技术与工程研究所 | Hollow ball shape class graphite-phase C3N4With elemental sulfur composite material and its preparation method and application |
| CN106311306B (en) * | 2016-08-22 | 2019-02-19 | 大连工业大学 | A method of preparing lithium doping graphite phase carbon nitride material |
| CN106311306A (en) * | 2016-08-22 | 2017-01-11 | 大连工业大学 | Method for preparing lithium-doped graphite phase carbon nitride material |
| CN107511160A (en) * | 2017-08-07 | 2017-12-26 | 锡林郭勒职业学院 | A kind of MOX/g C3N4@SiO2The preparation method and applications of catalyst |
| CN107511160B (en) * | 2017-08-07 | 2020-06-23 | 锡林郭勒职业学院 | MOX/g-C3N4@SiO2Preparation method and application of catalyst |
| CN107732208A (en) * | 2017-10-16 | 2018-02-23 | 河源广工大协同创新研究院 | The preparation method of nano-sulfur/nitridation carbon composite anode material |
| CN107732208B (en) * | 2017-10-16 | 2020-05-12 | 河源广工大协同创新研究院 | Preparation method of nano sulfur/carbon nitride composite anode material |
| CN108320857A (en) * | 2018-01-30 | 2018-07-24 | 上海大学 | The method for preparing MgB 2 superconductor wire material using class graphite phase carbon nitride in-stiu coating boron powder |
| CN109772409A (en) * | 2019-02-15 | 2019-05-21 | 江苏大学 | B, S codope azotized carbon nano pipe photochemical catalyst and preparation method and application |
| CN109772409B (en) * | 2019-02-15 | 2022-04-26 | 江苏大学 | B, S co-doped carbon nitride nanotube photocatalyst and preparation method and application thereof |
| CN109772414A (en) * | 2019-02-26 | 2019-05-21 | 江苏大学 | A kind of preparation method of the red carbon nitride photocatalyst of wide spectrum response |
| CN111330616A (en) * | 2020-03-05 | 2020-06-26 | 江苏海洋大学 | Preparation of graphite-like phase carbon nitride |
| CN116371441A (en) * | 2023-02-22 | 2023-07-04 | 武汉工程大学 | Sulfur-containing carbon nitride material, preparation method thereof and application thereof in photocatalytic hydrogen production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103920518A (en) | High-visible-light-activity sulfur-modified carbon nitride photocatalyst as well as synthetic method and application of photocatalyst | |
| CN104128184B (en) | A kind of float type CoFe2O4/TiO2/ float bead composite photochemical catalyst and preparation method thereof | |
| CN107469851B (en) | Ultrathin porous N-doped g-C3N4Photocatalyst and preparation method thereof | |
| CN105032468A (en) | Cu2O-TiO2/g-C3N4 ternary complex and preparation and application method thereof | |
| CN103480353A (en) | Method for synthesis of carbon quantum dot solution by hydrothermal process to prepare composite nano-photocatalyst | |
| CN104190445B (en) | BiOBr base heterojunction of a kind of visible light catalysis activity and preparation method thereof | |
| CN101947463B (en) | Preparation method and application of high-efficiency ultraviolet visible full-spectrum photocatalytic material | |
| CN104056648A (en) | Preparation method of sulfur doped graphite-phase carbon nitride visible-light catalyst and product obtained by using method | |
| CN105749893A (en) | Preparation method of modified active carbon fiber with surface-loaded nanometer titanium dioxide (TiO2) | |
| CN103611551B (en) | Preparation method of bismuth sulfide/bismuth molybdenum oxide heterojunction photocatalytic composite material | |
| CN109590006A (en) | A kind of preparation method of triazine/seven piperazine homoatomic hetero-junctions carbon nitride photocatalysts | |
| CN106622293B (en) | A kind of H-TiO2/CdS/Cu2-xThe preparation method of S nanobelt | |
| CN106513017A (en) | Compound photocatalytic material and preparation method and application thereof | |
| CN103170358A (en) | Porous g-C3N4 photocatalyst and preparation method thereof | |
| CN109759082A (en) | A kind of preparation method of the hollow porous hexagonal prisms composite photo-catalyst of indium oxide-indium sulfide | |
| CN112023972B (en) | Composite photocatalytic material and preparation method and application thereof | |
| CN105148964A (en) | Three-dimensional reduced graphene oxide-Mn3O4/MnCO3 nanocomposite and preparation method thereof | |
| CN108543542B (en) | Preparation method and application of three-dimensional porous composite photocatalyst | |
| CN105905940A (en) | Preparation method of nickel titanate/titanium dioxide composite nanomaterial | |
| CN105771953B (en) | A kind of preparation method of zinc titanate/titanium dioxide composite nano material | |
| CN107352519B (en) | A kind of C3N4The preparation method of nano wire | |
| CN103721699A (en) | NaInO2 photocatalyst and preparation method thereof | |
| CN105126821A (en) | Flower-like Bi2MoO6 preparation and applications of flower-like Bi2MoO6 in photocatalytic reduction of CO2 | |
| CN104096555A (en) | Preparation method for rare earth doped silicon dioxide-titanium dioxide photocatalytic material | |
| CN113976164A (en) | Preparation method of hydrogen-producing graphite-phase carbon nitride photocatalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140716 |