CN107570191A - A kind of Preparation method and use of visible light catalyst - Google Patents
A kind of Preparation method and use of visible light catalyst Download PDFInfo
- Publication number
- CN107570191A CN107570191A CN201710636545.5A CN201710636545A CN107570191A CN 107570191 A CN107570191 A CN 107570191A CN 201710636545 A CN201710636545 A CN 201710636545A CN 107570191 A CN107570191 A CN 107570191A
- Authority
- CN
- China
- Prior art keywords
- visible light
- preparation
- solution
- light catalyst
- powder
- 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.)
- Granted
Links
Landscapes
- Catalysts (AREA)
Abstract
The present invention relates to a kind of Preparation method and use of visible light catalyst, belongs to environmentally conscious materialses preparation field.Refer in particular to the nano-particle modified g C of Au and Ag3N4Catalyst（Au/Ag/g‑C3N4）Preparation method and its sterilize under visible light illumination, its step mainly includes：（1）g‑C3N4The preparation of powder；（2）Au/Ag/g‑C3N4The preparation of powder；（3）Visible light catalytic is sterilized.The present invention is by Au and Ag nano particles in g C3N4The load on surface, improve it and absorb the ability of visible ray, with this by the way that catalyst can be made to produce good catalytic effect under the irradiation of sunshine, so as to reduce the consumption of the energy, while reach preferable bactericidal effect.
Description
Technical field
The present invention relates to a kind of Preparation method and use of visible light catalyst, refers in particular to the nano-particle modified g- of Au and Ag
C3N4Catalyst (Au/Ag/g-C3N4) preparation method and its sterilize under visible light illumination, belong to environmentally conscious materialses preparation field.
Background technology
Photocatalysis technology is a kind of green technology for having important application prospect in the energy and environmental area.Photocatalysis conduct
A kind of natural phenomena is widely studied and applied in the fields such as electrochemistry, photochemistry, catalytic chemistry and biochemistry.
1972, Fujiehima etc. delivered " Electrochemical photolysis of water at a on Nature
Semiconductor electrode ", the prelude of photocatalysis New Times is opened.In decades afterwards, photocatalysis technology obtains
To extensive concern, multiple important research directions, such as photo-catalyst, water process and purification air are formd.
g-C3N4It is that it possesses by carbon and nitrogen sp2 without metal semiconductor in polymer with intermediate band gap (2.65eV)
The two-dimensional layered structure in the pi-conjugated graphite face that hydridization is formed.g-C3N4Due to its unique performance, such as physical and chemical stability,
Response to visible ray, it is easily prepared the features such as, cause the application of photocatalysis field, such as various pollutions light degradation, moisture
The hydrogen of solution produces and CO2 photo catalytic reduction.However, pure g-C3N4In, it is seen that light utilization ratio is low and Pair production is replied immediately soon
The shortcomings of conjunction, still limits the further raising of its photocatalytic activity.Therefore, g-C is improved using certain methods3N4's
Photocatalytic activity, such as nano/mesoporous structural design, doping metals or nonmetalloid, surface are modified, and heterogeneous structural nano is compound
Material preparation, etc..Surface plasma body resonant vibration (SPR) effect of the noble metal of collective's coherent oscillation derived from surface electronic
So that noble metal nano particles (NPs) turn into the promising candidate of harvest ultraviolet light and visible ray.Therefore, noble metal-half
Conductor composite has been widely deployed as effective visible light-inducing plasma exciatiaon photochemical catalyst.For example, Au/TiO2
System and Ag/AgX (X=Cl, Br) system have been well used as this plasma photocatalysis agent.In such systems,
Novel metal NPs is considered light absorbing Effective medium, and then caused thermoelectron increase luminous energy goes forward side by side one on NPs
Step moves to the conduction band of semiconductor.In addition, two kinds of different novel metal NP combination is many heavy in catalytic field
Excellent bimetallic collective effect is shown in reacting.
Therefore, the present invention is in g-C3N4Upper load Au and Ag NPs, its SPR is adjusted to visible region by Au NPs,
So as to improve its visible absorption efficiency.Promote charge carrier to separate by Ag NPs and receive the light induced electron of separation, from
And improve its photocatalysis efficiency.Catalyst after load can be very good to absorb visible ray, produce more preferable photocatalysis efficiency, and
Photo-catalyst field can be preferably applied to.
The content of the invention
The present invention passes through the nano-particle modified g-C of Au and Ag3N4It is prepared for visible light catalyst Au/Ag/g-C3N4, and should
For being sterilized under visible light illumination.It the advantage is that prepared catalyst can obtain catalysis effect under visible light
Fruit, and germicidal applications can be carried out well.
Technical scheme is as follows：
A kind of visible light catalyst (Au/Ag/g-C3N4) preparation method, follow the steps below：
Step 1, prepare class graphitic nitralloy carbon (g-C3N4)：A certain amount of urea is weighed in porcelain boat, and with formed objects
Porcelain boat, which tips upside down on, above, makes urea be in the environment of opposing seal.Then porcelain boat is positioned in tube furnace, protected in nitrogen
Under be warming up to 550 DEG C with certain heating rate and calcined.Room temperature is finally naturally cooled to, obtains faint yellow solid, then
Ground in agate mortar, you can obtain g-C3N4Powder.
Step 2, prepare visible light catalyst Au/Ag/g-C3N4：Measure the silver nitrate (AgNO of certain volume3) solution and
Gold chloride (HAuCl4) solution is added in beaker, then measures quantitative polyvinyl alcohol (PVA) solution and be added in beaker together, room
The lower magnetic agitation of temperature, is allowed to obtain uniform solution.Then the g-C prepared in quantitative step (1) is weighed3N4Powder, it is added to
Continue to be stirred 1 hour in solution.Then the sodium borohydride solution of certain density frozen water configuration is measured, while stirring slowly
It is added drop-wise in solution, continues thereafter with stirring 3 hours.Last filtering and washing, 40 DEG C of oven for drying, agate mortar grinding, obtain Au/
Ag/g-C3N4Powder.In step 1, heating rate is 5-10 DEG C/min, calcination time 2-4h.
In step 2, the concentration of silver nitrate is 1g/10mL, and the volume measured is 0.079-0.314mL, i.e., final Ag and g-
C3N4Mass fraction be 0.25-1wt.%.
In step 2, the concentration of gold chloride is 1g/10mL, and the volume measured is 0.418-1.672mL, i.e., final Au and g-
C3N4Mass fraction be 1-4wt.%.
In step 2, Au and Ag mass fraction are 5.3wt.%.
In step 2, the concentration of polyvinyl alcohol used is 1%, i.e. 1g polyvinyl alcohol is dissolved in 99mL deionized waters.Measure
The volume of polyvinyl alcohol be 5mL.
In step 2, the g-C that is weighed3N4The quality of powder is 2g.
In step 2, the concentration 0.1mol/L of sodium borohydride used, volume 5mL.
A kind of visible light catalyst (Au/Ag/g-C3N4) purposes, for photo-catalyst：Weigh a certain amount of Au/Ag/
g-C3N4Powder is added in the centrifuge tube containing 5mL bacterium dispersion liquids, and is sealed with sealed membrane, is then entered with simulated solar irradiation
Row irradiation certain time.Then, take the bacterial solution after 5 μ L illumination to dilute 10000 times with phosphate buffer solution (PBS), take
Solution after 100 μ L dilutions is coated onto on solid LB media, is positioned over CO237 DEG C of culture 12h, then count bacterium colony in incubator
Number, calculates its germicidal efficiency.
In step 3, the amount of the catalyst weighed is 50-200 μ g, i.e., the concentration of final catalyst is 10-40 μ g/mL.
In step 3, irradiation time 1-3h.
In step 3, bacterium used is gram-positive bacteria staphylococcus aureus (S.aureus, ATCC 25923) or leather
One kind in Lan Shi negative bacterium E. colis (E.coil, IFO 3301), provided by life science institute of Jiangsu University.
Silver nitrate and gold chloride described in above-mentioned technical scheme, it act as providing Ag+And Au3+。
Poly-vinyl alcohol solution described in above-mentioned technical scheme, it act as surfactant.
Sodium borohydride solution described in above-mentioned technical scheme, it act as reducing agent.
Phosphate buffer solution described in above-mentioned technical scheme, it act as simulating liquid environment in body.
This technology invention is by Au and Ag nano particles in g-C3N4The load on surface, improve it and absorb the ability of visible ray,
With this by the way that catalyst can be made to produce good catalytic effect under the irradiation of sunshine, so as to reduce the consumption of the energy, together
When reach preferable bactericidal effect.
Embodiment
Catalyst prepared by above-mentioned technical proposal is sterilized applied to visible light catalytic, with reference to specific implementation example pair
The present invention is described further.
Embodiment 1
(1)g-C3N4Preparation
A certain amount of urea is weighed in porcelain boat, and is tipped upside down on above with the porcelain boat of formed objects, urea is in relative
In the environment of sealing.Then porcelain boat is positioned in tube furnace, be warming up under nitrogen protection with 5 DEG C/min heating rate
550 DEG C, calcine 4h.Room temperature is finally naturally cooled to, faint yellow solid is obtained, is then ground in agate mortar, you can obtained
G-C3N4 powder.
(2)Au/Ag/g-C3N4Preparation
Measure 0.157mL silver nitrate (AgNO3) and 0.836mL gold chloride (HAuCl4) solution is added to beaker together
In, then measure 5ml polyvinyl alcohol (PVA) solution and be added in beaker, magnetic agitation, is allowed to obtain uniform solution at room temperature.
Then the g-C prepared in 2g steps (1) is weighed3N4Powder, it is added in solution and continues to be stirred 1 hour.Then measure certain
The sodium borohydride solution 5ml of the frozen water configuration of concentration, is slowly added drop-wise in solution, continues thereafter with stirring 3 hours while stirring.Most
Filtering and washing afterwards, 40 DEG C of oven for drying, agate mortar grinding, obtain Au/Ag/g-C3N4Powder.
(3) catalytically bactericidal process
Weigh 200 μ g Au/Ag/g-C3N4Powder is added to be disperseed containing 5mL gram-positive bacteria staphylococcus aureuses
In the centrifuge tube of liquid, and sealed with sealed membrane, be then irradiated 3h with simulated solar irradiation.Then, the bacterium after 5 μ L illumination is taken
Solution dilutes 10000 times with phosphate buffer solution (PBS), takes the solution after 100 μ L dilutions to be coated onto on solid LB media, puts
It is placed in CO237 DEG C of culture 12h, then count clump count, calculate its germicidal efficiency in incubator.Gained germicidal efficiency is shown in Table 1.
Embodiment 2
With embodiment 1, the volume for only changing the silver nitrate solution measured in the step of embodiment 1 (2) is 0.079mL,
0.314mL；The volume of corresponding chlorauric acid solution is 0.418mL, 1.672mL.I.e. prepared Au/Ag/g-C3N4In powder
Ag and g-C3N4Mass fraction be 0.25wt.% and 1wt.%；Corresponding Au and g-C3N4Mass fraction for 1wt.% and
4wt.%.The germicidal efficiency of prepared catalyst is shown in Table 1.As a result show, the load capacity of Ag and Au nano particles is bigger, and it can
See that the efficiency of photo-catalyst is better.
The different noble metal nano particles load capacity of table 1 influence on gained visible light catalyst catalytically bactericidal process efficiency
| Noble-metal-supported amount (Ag, Au, wt.%) | Germicidal efficiency (%) |
| 0.25,1 | 70 |
| 0.5,2 | 85 |
| Isosorbide-5-Nitrae | 92 |
Embodiment 3
With embodiment 1, only change the amount of catalyst used in the step of embodiment 1 (3) as 0,50,100 μ g, i.e., it is final
The concentration of catalyst is 0,10,20 μ g/mL.Resulting germicidal efficiency is shown in Table 2.As a result show, with catalyst usage amount
Increase, the efficiency of its visible light catalytic sterilization are consequently increased.Because the amount increase of catalyst, is discharged after illumination therewith
ROS it is more, therefore be easier kill bacterium.
The different catalysts concentration of table 2 influences on visible light catalytic germicidal efficiency
| Catalyst concn (μ g/mL) | Germicidal efficiency (%) |
| 0 | 5 |
| 10 | 62 |
| 20 | 73 |
| 40 | 85 |
Embodiment 4
With embodiment 1, it is 0,1,2h only to change the light application time in the step of embodiment 1 (3).The germicidal efficiency of gained is shown in Table
3.As a result show, with the extension of light application time, the efficiency of its visible light catalytic sterilization increases therewith.
3 different light application times of table influence on visible light catalytic germicidal efficiency
Embodiment 5
With embodiment 1, the bacterium only changed used in the step of embodiment 1 (3) is Gram-negative bacteria Escherichia coli.Institute
The germicidal efficiency obtained is shown in Table 4.As a result show, the catalyst is under visible light illumination to gram-positive bacteria and Gram-negative bar
Bacterium has good bactericidal effect.But by contrast, to the bactericidal effect of gram-positive bacteria more preferably.This is probably because leather is blue
The cell wall structure of family name's negative bacillus is increasingly complex compared to gram-positive bacteria, so causing its anti-ROS ability stronger.
Catalytically bactericidal process efficiency comparative of the visible light catalyst of table 4 to variety classes bacterium
| Bacterial species | Germicidal efficiency (%) |
| S.aureus | 85 |
| E.coil | 80 |
Claims (10)
1. a kind of preparation method of visible light catalyst, it is characterised in that follow the steps below：
Step 1, prepare class graphitic nitralloy carbon（g-C3N4）：A certain amount of urea is weighed in porcelain boat, and with the porcelain boat of formed objects
Tipping upside down on above, makes urea be in the environment of opposing seal；Then porcelain boat is positioned in tube furnace, under nitrogen protection with
Certain heating rate is warming up to 550 DEG C and calcined；Room temperature is finally naturally cooled to, faint yellow solid is obtained, then in agate
Ground in Nao mortars, you can obtain g-C3N4Powder；
Step 2, prepare visible light catalyst Au/Ag/g-C3N4：Measure the silver nitrate of certain volume（AgNO3）Solution and chlorine gold
Acid（HAuCl4）Solution is added in beaker together, then measures quantitative polyvinyl alcohol（PVA）Solution is added in beaker, at room temperature
Magnetic agitation, it is allowed to obtain uniform solution；Then quantitative step is weighed（1）The g-C of middle preparation3N4Powder, it is added to solution
In continue to be stirred 1 hour；Then the sodium borohydride solution of certain density frozen water configuration is measured, is slowly added dropwise while stirring
Into solution, stirring 3 hours is continued thereafter with；Last filtering and washing, 40 DEG C of oven for drying, agate mortar grinding, obtain Au/Ag/
g-C3N4Powder.
A kind of 2. preparation method of visible light catalyst according to claim 1, it is characterised in that in step 1, heating speed
Rate is 5-10 DEG C/min, and calcination time is 2-4 h.
A kind of 3. preparation method of visible light catalyst according to claim 1, it is characterised in that in step 2, silver nitrate
Concentration be 1g/10mL, i.e., final Ag and g-C3N4Mass fraction be 0.25-1 wt.%.
A kind of 4. preparation method of visible light catalyst according to claim 1, it is characterised in that in step 2, gold chloride
Concentration be 1g/10mL, i.e., final Au and g-C3N4Mass fraction be 1-4 wt.%.
A kind of 5. preparation method of visible light catalyst according to claim 1, it is characterised in that in step 2, Au and Ag
Mass fraction be 5.3 wt.%.
6. the preparation method of a kind of visible light catalyst according to claim 1, it is characterised in that used poly- in step 2
The concentration of vinyl alcohol is 1%, i.e. 1g polyvinyl alcohol is dissolved in 99mL deionized waters；The volume of the polyvinyl alcohol measured is 5mL.
7. the preparation method of a kind of visible light catalyst according to claim 1, it is characterised in that in step 2, weighed
G-C3N4The quality of powder is 2g.
A kind of 8. preparation method of visible light catalyst according to claim 1, it is characterised in that in step 2, boron used
The concentration 0.1mol/L of sodium hydride, volume 5mL.
9. the purposes of a kind of visible light catalyst described in claim 1-7, it is characterised in that for photo-catalyst, under
State step progress：Weigh a certain amount of Au/Ag/g-C3N4Powder is added in the centrifuge tube containing 5mL bacterium dispersion liquids, is used in combination
Sealed membrane seals, and is then irradiated certain time with simulated solar irradiation；Then, the bacterial solution phosphoric acid after 5 μ L illumination is taken
Salt buffer solution（PBS）10000 times of dilution, take the solution after 100 μ L dilutions to be coated onto on solid LB media, be positioned over CO2Training
37 DEG C of culture 12h in case are supported, clump count is then counted, calculates its germicidal efficiency.
A kind of 10. purposes of visible light catalyst according to claim 8, it is characterised in that the concentration of i.e. final catalyst
For 10-40 μ g/m；In step 3, irradiation time is 1-3 h；Bacterium used is gram-positive bacteria staphylococcus aureus
（S.aureus, ATCC 25923）Or Gram-negative bacteria Escherichia coli（E.coil, IFO 3301）In one kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636545.5A CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636545.5A CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107570191A true CN107570191A (en) | 2018-01-12 |
| CN107570191B CN107570191B (en) | 2020-05-01 |
Family
ID=61035254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710636545.5A Active CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107570191B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435249A (en) * | 2018-03-29 | 2018-08-24 | 江苏大学 | g-C3N4/ Ni-HRP composite photo-catalysts and its preparation method and application |
| CN108704657A (en) * | 2018-05-31 | 2018-10-26 | 广东工业大学 | A kind of red phosphorus/graphite phase carbon nitride composite nano plate and its preparation method and application |
| CN109550049A (en) * | 2018-12-03 | 2019-04-02 | 浙江大学 | Application of the carbon quantum dot-class graphite phase carbon nitride catalysis material in preparation sterilization and the drug for promoting skin scar healing |
| CN110339859A (en) * | 2019-07-12 | 2019-10-18 | 河南省口岸食品检验检测所 | A kind of preparation method and applications of the highmulti paper based composites of supported bi-metallic nanometer |
| CN112375804A (en) * | 2020-09-30 | 2021-02-19 | 长春理工大学 | Au/g-C3N4All-weather photocatalytic antibacterial material and bright-dark dual-mode antibacterial mechanism thereof |
-
2017
- 2017-07-31 CN CN201710636545.5A patent/CN107570191B/en active Active
Non-Patent Citations (3)
| Title |
|---|
| KARL STRIEGLER: "《Modified graphitic carbon nitrides for photocatalytic hydrogen evolution from water》", 31 December 2015, SPRINGER * |
| MOHAMMED A. GONDAL, ET AL.: "Facile synthesis, characterization and photocatalytic performance of Au-Ag alloy nanoparticles dispersed on graphitic carbon nitride under visible light irradiations", 《JOURNAL OF MOLECULAR CATALYSIS A: CHEMICAL》 * |
| WEI BING, ET AL.: "Visible-light-driven enhanced antibacterial and biofilm elimination activity of graphitic carbon nitride by embedded Ag nanoparticles", 《NANO RESEARCH》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108435249A (en) * | 2018-03-29 | 2018-08-24 | 江苏大学 | g-C3N4/ Ni-HRP composite photo-catalysts and its preparation method and application |
| CN108704657A (en) * | 2018-05-31 | 2018-10-26 | 广东工业大学 | A kind of red phosphorus/graphite phase carbon nitride composite nano plate and its preparation method and application |
| CN108704657B (en) * | 2018-05-31 | 2020-12-11 | 广东工业大学 | Red phosphorus/graphite phase carbon nitride composite nanosheet and preparation method and application thereof |
| CN109550049A (en) * | 2018-12-03 | 2019-04-02 | 浙江大学 | Application of the carbon quantum dot-class graphite phase carbon nitride catalysis material in preparation sterilization and the drug for promoting skin scar healing |
| CN109550049B (en) * | 2018-12-03 | 2021-06-18 | 浙江大学 | Application of carbon quantum dot-graphite-like phase carbon nitride photocatalytic material in preparation of medicines for sterilizing and promoting healing of skin scars |
| CN110339859A (en) * | 2019-07-12 | 2019-10-18 | 河南省口岸食品检验检测所 | A kind of preparation method and applications of the highmulti paper based composites of supported bi-metallic nanometer |
| CN112375804A (en) * | 2020-09-30 | 2021-02-19 | 长春理工大学 | Au/g-C3N4All-weather photocatalytic antibacterial material and bright-dark dual-mode antibacterial mechanism thereof |
| CN112375804B (en) * | 2020-09-30 | 2023-12-12 | 长春理工大学 | Au/g-C 3 N 4 All-weather photocatalytic antibacterial material and light-dark dual-mode antibacterial mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107570191B (en) | 2020-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107570191A (en) | A kind of Preparation method and use of visible light catalyst | |
| Murugesan et al. | Photocatalytic disinfection efficiency of 2D structure graphitic carbon nitride-based nanocomposites: a review | |
| Yuan et al. | Design of core-shelled g-C3N4@ ZIF-8 photocatalyst with enhanced tetracycline adsorption for boosting photocatalytic degradation | |
| Zhang et al. | Sterilization of Escherichia coli by photothermal synergy of WO3–x/C nanosheet under infrared light irradiation | |
| Liu et al. | Two‐dimensional nanomaterials for photocatalytic water disinfection: recent progress and future challenges | |
| Yuan et al. | Research progress on photocatalytic reduction of Cr (VI) in polluted water | |
| Liu et al. | Thermal-sprayed photocatalytic coatings for biocidal applications: A review | |
| CN108160093B (en) | Silver orthophosphate/nitrogen-doped carbon quantum dot/pucherite Z-type photochemical catalyst and its preparation method and application | |
| Bano et al. | Sunlight driven photocatalytic degradation of organic pollutants using a MnV 2 O 6/BiVO 4 heterojunction: Mechanistic perception and degradation pathways | |
| CN107950570A (en) | A kind of preparation method of graphene/titanium dioxide/nano silver composite material | |
| CN102698775A (en) | BiOI-graphene visible light catalyst and preparation method thereof | |
| Xu et al. | Preparation of Ag3PO4/CoWO4 S-scheme heterojunction and study on sonocatalytic degradation of tetracycline | |
| Swain et al. | Photocatalytic dye degradation by BaTiO3/zeolitic imidazolate framework composite | |
| CN105435847B (en) | A kind of Bi2WO6/ BiOI@quaternary ammonium salts are inorganic/organic composite photo-catalyst agent and preparation method thereof | |
| CN106964379B (en) | Has the function of photocatalysis antibacterial containing ZnI2The preparation method of-I/ZnO composite material | |
| Yang et al. | Two-dimensional layered organic hybrid selenidostannate coupled with polyaniline for high efficient photocatalytic Cr (VI) reduction | |
| Yao et al. | Construction of a np type Bi12O15Cl6@ BiOI-CQDs junction with core-shell structure for boosting photocatalytic degradation and antibacterial performance | |
| CN108816265B (en) | Bismuth vanadate/nitrogen-doped carbon quantum dot/cuprous oxide double-Z-type photocatalyst and preparation method and application thereof | |
| Chen et al. | In situ ion exchange synthesis of Ag2S/AgVO3 graphene aerogels for enhancing photocatalytic antifouling efficiency | |
| Xu et al. | The effective photocatalysis and antibacterial properties of AgBr/Ag2MoO4@ ZnO composites under visible light irradiation | |
| CN113398914A (en) | Preparation method of visible light catalyst synthesized by one-pot hydrothermal method | |
| CN108144599A (en) | A kind for the treatment of process of bismuthino composite photocatalyst for degrading dyeing waste water | |
| CN108855170B (en) | A kind of preparation method and nanocomposite of the graphene-based bismuth system nanocomposite of carnation sample | |
| Li et al. | Embedding defective tin oxide quantum dots into flake Bi4O5I2 for antibacterial and degradation by LED light irradiation | |
| CN108786873A (en) | A kind of MoS2/Ag2CO3The synthesis and application of heterojunction photocatalysis material |
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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Yonghai Inventor after: Wu Rongrong Inventor after: Liu Lei Inventor after: Zhang Jie Inventor after: Dong Mingdong Inventor before: Zhang Jie Inventor before: Feng Yonghai Inventor before: Liu Lei Inventor before: Wu Rongrong Inventor before: Dong Mingdong |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Yonghai Inventor after: Wu Rongrong Inventor after: Liu Lei Inventor after: Zhang Jie Inventor before: Feng Yonghai Inventor before: Wu Rongrong Inventor before: Liu Lei Inventor before: Zhang Jie Inventor before: Dong Mingdong |
|
| CB03 | Change of inventor or designer information |