CN109970153A - A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant - Google Patents
A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant Download PDFInfo
- Publication number
- CN109970153A CN109970153A CN201910331960.9A CN201910331960A CN109970153A CN 109970153 A CN109970153 A CN 109970153A CN 201910331960 A CN201910331960 A CN 201910331960A CN 109970153 A CN109970153 A CN 109970153A
- Authority
- CN
- China
- Prior art keywords
- wse
- nanometer sheet
- organic pollutant
- piezoelectricity
- catalyst
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, comprising the following steps: (1) take a certain amount of WSe2Nanometer sheet is added in the waste water containing organic pollutant；(2) WSe will be added2The waste water of nanometer sheet carries out being protected from light stirring, makes organic pollutant in WSe2Piece nanometer sheet surface reaches absorption/desorption equilibrium；(3) apply ultrasonic irradiation, solution is subjected to ultrasonotomography.The present invention synthesizes WSe by hydro-thermal method2Nanometer sheet first carries out dark reaction, and organic pollutant is made to reach absorption/desorption equilibrium in catalyst surface, then under the action of ultrasonic wave, catalyst WSe2The mechanical energy of ultrasonic wave is converted chemical energy by nanometer sheet, thus the decomposition of efficient catalytic organic pollutant.The present invention has the advantages that simple and easy, high catalytic efficiency, is conducive to large-scale promotion, efficiently solves the problems such as prior art operation is cumbersome, degradation speed is fast, good degrading effect, has good application value.
Description
Technical field
The present invention relates to novel piezoelectric catalyst degradation organic pollutant technical field more particularly to a kind of WSe2Nanometer sheet
The method of piezoelectricity catalyst efficient degradation organic pollutant.
Background technique
With the growth of world economy, problem of environmental pollution causes the extensive concern of researcher.The mankind live in production
In dynamic, discharge all kinds of organic pollutants into nature, for example, lavo-ofloxacin, occrycetin, tetracycline, bisphenol-A and
Cephalo etc..Stability is good under field conditions (factors) for these organic pollutants, is difficult to degrade, and has serious poison to human body
Evil property, has severely compromised the life security of the people.Therefore a kind of technology for capableing of the such organic pollutant of efficient degradation is found
It is extremely urgent.Currently, also some researchs, including chemical treatment method, biological treatment of the biodegrading process of Organic Pollutants In Water
Method and physical treatment method etc., however more or less there are certain disadvantages in bioremediation and physical treatment method, still
Generally existing reaction rate is slow, degradation is not complete etc. enough；More importantly these methods are easy to be influenced by environment, operate
Process is complicated, it is difficult to be promoted in practical applications.Therefore, seek that a kind of operating process is simple, degradation speed is fast, degradation
The good organic pollutant degradation method of effect has great importance.
The coupling of piezoelectricity and semiconductor produces a new subject-piezoelectron, it can effectively adjust piezoelectricity
The internal electric field as caused by piezoelectric polarization charge transports in semiconductor.It being effectively facilitated by piezoelectric polarization technology
Catalysis reaction is learned, and can the limit beyond chemistry or structural modification.It is strong that piezoelectricity is catalyzed the degradation emerging as one
Technology has many advantages, such as that environmentally protective, condition temperature, non-selectivity and degradation are thorough.Therefore degradation capability is prepared efficiently to press
Elctro-catalyst is of great significance.
Piezoelectric material can convert electric energy for the mechanical energy in environment.When their works by certain fixed-direction external force
It is used time, internal just to generate polarization, while the opposite charge of symbol is generated on certain two surface, it is discharged into environment
Electronics, and then the pollutant in water generation hydrogen and degradation environment can be decomposed.Two-dimentional (2D) material is as high performance piezoelectric
Material, it is in itself and technically all very attractive.In recent years, stratiform two dimension transition metal chalcogenide (TMDs) is because of it
Unique electronics, mechanically and chemically property and by extensive research interest.Pass through theoretical prediction, most two dimension in the recent period
TMDs nano material is all piezoelectric material.In addition, researcher constantly has found piezoelectricity in two-dimensional TM Ds by experimental demonstration
Effect.For example, due to MoS2The non-centrosymmetric structure of layer, can prove its piezoelectric response.According to Jyh Ming Wu,
Advanced Materials, 2016 report, the MoS in TMDs2Have very excellent piezoelectric property, is working as organic dyestuff
Rhodamine B, can be by MoS under ultrasonic activation2Efficiently degrade.Meanwhile the seminar also reports single layer or few layer
MoSe2Nanometer sheet also has similar excellent degradation property.In recent years, the laterally excitation scanning probe microscopy conceptions of technology are utilized
It observes in WSe2 surprise layer there are stronger piezoelectric response, but there are no demonstrations in testing.
In the prior art required for the decomposition of organic pollutant generally
It is prepared for a kind of thin layer WSe2 nanometer sheet herein, makes full use of WSe2The easy deformation of nanometer sheet and piezoelectric constant are higher
Advantage, ultrasonic wave effect under degrade the organic pollutants such as tetracycline and rhodamine B.
Summary of the invention
The problems such as, degradation speed cumbersome for prior art operation be fast, good degrading effect, the present invention provides a kind of simple
It is easy, be conducive to large-scale promotion, the high WSe2 nanometer sheet degradation of contaminant piezoelectricity catalysis technique of catalytic activity.
To achieve the above object, the present invention can be achieved by the following technical programs:
A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, comprising the following steps:
(1) a certain amount of WSe is taken2Nanometer sheet (catalyst) is added in the waste water containing organic pollutant；
(2) WSe will be added2The waste water of nanometer sheet carries out being protected from light stirring, makes organic pollutant in WSe2(the catalysis of piece nanometer sheet
Agent) surface reaches absorption/desorption equilibrium；
(3) apply ultrasonic irradiation, solution is subjected to ultrasonotomography.
Further, in step (1), the WSe2Nanometer sheet the preparation method is as follows:
A. in molar ratio, 1 part of tungsten carbonyl (W (CO) is weighed6), 1.9~2 parts of selenium powders (Se), 470~480 parts are anhydrous right
Dimethylbenzene；
B. tungsten carbonyl, selenium powder are added in the container equipped with anhydrous paraxylene；
C. magnetic agitation, until solute is completely dispersed；
D. the solution after stirring is put into the polytetrafluoroethyllining lining of autoclave, and liner is put into autoclave, 200~300
Hydro-thermal 12~30 hours at DEG C；
E. it after being cooled to room temperature, is cleaned more than three times with distilled water and ethyl alcohol, vacuum drying obtains black product, as
WSe2Nanometer sheet.
Further, the time of magnetic agitation is 20~60 minutes in sub-step c.
Further, in step (1), WSe2The addition weight of nanometer sheet is the 5 of organic waste organic pollutants net weight
~25 times.
Further, in step (2), the mixing time for being protected from light stirring is 1~2 hour.
Further, in step (3), apply ultrasonic wave in organic wastewater system using probe type ultrasonic wave producer
Irradiation, the time for applying ultrasonic irradiation is 90~180min.
Further, in step (3), while applying ultrasonic irradiation, appropriate ice cube is added, makes the temperature of organic wastewater
Degree is maintained at 20~30 DEG C.
The beneficial effects of the present invention are: synthesizing WSe by hydro-thermal method2Nanometer sheet utilizes WSe2The piezoelectric effect of nanometer sheet,
By WSe2Nanometer sheet is used as the catalyst of degradable organic pollutant；Dark reaction is first carried out, makes organic pollutant in catalyst
Surface reaches absorption/desorption equilibrium, then under the action of ultrasonic wave, catalyst WSe2Nanometer sheet is by the mechanical energy of ultrasonic wave
It is converted into chemical energy, thus the decomposition of efficient catalytic organic pollutant.The present invention has simple and easy, high catalytic efficiency, advantageous
In the large-scale promotion the advantages of, the problems such as prior art operation is cumbersome, degradation speed is fast, good degrading effect, tool are efficiently solved
There is good application value.
Detailed description of the invention
Fig. 1 is WSe prepared by the embodiment of the present invention 12The XRD diagram of nanometer sheet；
Fig. 2 is WSe prepared by the embodiment of the present invention 12The scanning electron microscope (SEM) photograph of nanometer sheet；
Fig. 3 is WSe in the embodiment of the present invention 12Nanometer sheet is having ultrasound condition and without rhodamine B degradation under ultrasound condition
Degradation rate comparison diagram；
Fig. 4 is WSe in the embodiment of the present invention 22Nanometer sheet is having ultrasound condition and without tetracycline of degrading under ultrasound condition
Degradation rate comparison diagram.
Specific embodiment
In order to which the objects, technical solutions and advantages of the invention patent are more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the invention patent.It should be appreciated that specific embodiment described herein is only used to solve
The invention patent is released, patent is not intended to limit the present invention.
Embodiment 1:
A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, steps are as follows:
Step (1): preparation WSe2Nanometer sheet (catalyst), the specific steps are as follows:
A. mole is pressed, the tungsten carbonyl (W (CO) of 7.5m mol is weighed6), the selenium powder (Se) of 14.5m mol；470~
480 parts of anhydrous paraxylene；
B. by W (CO)6, Se powder be added equipped with the anhydrous paraxylene of 50mL 100mL beaker in；
C. the beaker is placed on magnetic stirring apparatus and is stirred 30 minutes, so far solute is completely dispersed；
D. the solution after stirring is put into the polytetrafluoroethyllining lining of autoclave, and liner is put into the autoclave of 100mL,
Hydro-thermal 24 hours at 250 DEG C；
E. after being cooled to room temperature, more than three times with distilled water and ethyl alcohol centrifuge washing, vacuum drying obtains black product,
As WSe2Nanometer sheet.
Step (2): the WSe of 10mg is taken2Nanometer sheet (catalyst), which is put into, fills 100mL rhodamine B solution beaker
In (200mL beaker) (concentration of rhodamine B is 10mg/L),
Step (3): WSe will be added2The solution of nanometer sheet is first protected from light stirring 1 hour, reaches dyestuff in catalyst surface
Absorption/desorption equilibrium (dark reaction)；
Step (4): apply ultrasonic irradiation, solution is subjected to ultrasonotomography, while appropriate ice cube is added, makes organic waste
The temperature of water is maintained at 25 DEG C or so.
Experiment 1:
It is operated by above step (1)-(3), prepares two parts of steps and WSe is added2Sieve that nanometer sheet and dark reaction finish
Red bright B solution；A (100mL) rhodamine B solution is reacted under room temperature normality and (is not applied), a (100mL) rhodamine B
Solution reacts under ultrasonic conditions, uses ultrasonic cleaner (BRANSONIC, CPX2800H-C) (power: 110W, frequency
Rate: 40kHz) carry out the test of piezoelectricity catalytic degradation；Appropriate ice cube is added while applying ultrasonic irradiation, makes organic wastewater
Temperature is maintained at 20~30 DEG C.
As shown in Figure 1, the WSe prepared in step (1)2The XRD diagram of nanometer sheet, it can be seen that compared with XRD standard card,
The WSe prepared in the present embodiment 12Nanometer sheet pure phase；
As shown in Fig. 2, preparing WSe in step (1)2Nanometer sheet is assembled into flower-shaped, activity under SEM observation for nanometer sheet
It is high；
Specifically, a sample is taken every 30min, takes 3mL anti-every time during two parts of solution reactions in step (4)
Solution is answered, filters, then clear liquid is placed in quartz glass ware, is tested with ultraviolet-uisible spectrophotometer.According to
Lambert-Beer law, the variation of organic matter characteristic absorption peak intensity can quantitatively calculate the variation of its concentration.When extinction object
When matter is identical, thickness is identical, the variation of solution concentration can be directly indicated with the variation of absorbance.Because rhodamine B exists
There is a characteristic absorption peak at 540nm, it is possible to which the concentration that rhodamine B in solution is measured using the variation of absorbance is become
Change.
Specifically, WSe in experiment 12Degradation of the nanometer sheet there is ultrasound condition and without rhodamine B degradation under ultrasound condition
Rate comparison figure is as shown in Figure 3；From the upper (abscissa: degradation time of figure；Ordinate: it is measured after for a period of time by ultrasonotomography
Rhodamine B concentration value and rhodamine B initial concentration ratio.) can be seen that degradation time to 90min, rhodamine B drop
Solve 81%.
Embodiment 2:
Compared with Example 1, the step of embodiment 2 (1) is identical, and difference is only that step (2)~(4), specifically such as
Under:
Step (2) takes the WSe of 10mg2Nanometer sheet (catalyst), which is put into, fills 100mL tetracycline beaker (200mL
Beaker) in (concentration of tetracycline be 1.0 × 10-5mol/L)；
Step (3): WSe will be added2The solution of nanometer sheet is first protected from light stirring 1 hour, reaches tetracycline in catalyst surface
To absorption/desorption equilibrium (dark reaction)；
Step (4): apply ultrasonic irradiation, solution is subjected to ultrasonotomography, while appropriate ice cube is added, makes organic waste
The temperature of water is maintained at 25 DEG C or so.
Experiment 2:
It is operated by above step (1)-(3), prepares two parts of steps and WSe is added2Nanometer sheet and dark reaction finish four
Ring element solution；A (100mL) tetracycline is reacted under room temperature normality and (is not applied), and a (100mL) tetracycline is super
It reacts, uses ultrasonic cleaner (BRANSONIC, CPX2800H-C) (power: 110W, frequency: 40kHz) under the conditions of sound wave
Carry out the test of piezoelectricity catalytic degradation；Appropriate ice cube is added while applying ultrasonic irradiation, is maintained at the temperature of organic wastewater
20~30 DEG C.
Specifically, a sample is taken every 30min, takes 3mL anti-every time during two parts of solution reactions in step (4)
Solution is answered, filters, then clear liquid is placed in quartz glass ware, is tested with ultraviolet-uisible spectrophotometer.According to
Lambert-Beer law, the variation of organic matter characteristic absorption peak intensity can quantitatively calculate the variation of its concentration.When extinction object
When matter is identical, thickness is identical, the variation of solution concentration can be directly indicated with the variation of absorbance.Because tetracycline is in 350nm
There is a characteristic absorption peak at place, it is possible to which the concentration that tetracycline in solution is measured using the variation of absorbance is changed.
Specifically, WSe in experiment 22Degradation speed of the nanometer sheet there is ultrasound condition and without degradation tetracycline under ultrasound condition
Rate comparison diagram is as shown in Figure 3；From the upper (abscissa: degradation time of figure；Ordinate: it is measured after for a period of time by ultrasonotomography
The ratio of the initial concentration of tetracycline concentration value and tetracycline.) can be seen that degradation time to 120min, tetracycline degrades
82%.
The beneficial effects of the present invention are: synthesizing WSe by hydro-thermal method2Nanometer sheet utilizes WSe2The piezoelectric effect of nanometer sheet,
By WSe2Nanometer sheet is used as the catalyst of degradable organic pollutant；Dark reaction is first carried out, makes organic pollutant in catalyst
Surface reaches absorption/desorption equilibrium, then under the action of ultrasonic wave, catalyst WSe2Nanometer sheet is by the mechanical energy of ultrasonic wave
It is converted into chemical energy, thus the decomposition of efficient catalytic organic pollutant.The present invention has simple and easy, high catalytic efficiency, advantageous
In the large-scale promotion the advantages of, the problems such as prior art operation is cumbersome, degradation speed is fast, good degrading effect, tool are efficiently solved
There is good application value.
Embodiment described above and other legends only express one embodiment of the present invention, only indicate that and
It is not the limitation present invention.For those of ordinary skill in the art, without departing from the inventive concept of the premise, may be used also
To make several modifications and improvements, such as change time of dark reaction, the ultrasonic irradiation time, temperature, applied to different organic
Degradation of pollution etc..Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is characterised in that: including following step
It is rapid:
(1) a certain amount of WSe is taken2Nanometer sheet is added in the waste water containing organic pollutant；
(2) WSe will be added2The waste water of nanometer sheet carries out being protected from light stirring, makes organic pollutant in WSe2Piece nanometer sheet surface reaches suction
Attached/desorption equilibrium；
(3) apply ultrasonic irradiation, solution is subjected to ultrasonotomography.
2. a kind of WSe according to claim 12The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is: in step (1), the WSe2Nanometer sheet the preparation method is as follows:
A. in molar ratio, 1 part of tungsten carbonyl, 1.9~2 parts of selenium powders, 470~480 parts of anhydrous paraxylene are weighed；
B. tungsten carbonyl, selenium powder are added in the container equipped with anhydrous paraxylene；
C. magnetic agitation, until solute is completely dispersed；
D. the solution after stirring is put into the polytetrafluoroethyllining lining of autoclave, and liner is put into autoclave, at 200~300 DEG C
Hydro-thermal 12~30 hours；
E. it after being cooled to room temperature, is cleaned more than three times with distilled water and ethyl alcohol, vacuum drying obtains black product, as WSe2It receives
Rice piece.
3. a kind of WSe according to claim 22The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is that the time of magnetic agitation is 20~60 minutes in sub-step c.
4. a kind of WSe according to claim 12The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is: in step (1), WSe2The addition weight of nanometer sheet is 5~25 times of organic waste organic pollutants net weight.
5. a kind of WSe according to claim 12The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is, in step (2), the mixing time for being protected from light stirring is 1~2 hour.
6. a kind of WSe according to claim 12The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is, in step (3), applies ultrasonic irradiation in organic wastewater system using probe type ultrasonic wave producer, applies super
The time of sound wave irradiation is 90~180min.
7. a kind of WSe according to claim 62The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant, it is special
Sign is, in step (3), while applying ultrasonic irradiation, appropriate ice cube is added, make the temperature of organic wastewater be maintained at 20~
30℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331960.9A CN109970153A (en) | 2019-04-24 | 2019-04-24 | A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910331960.9A CN109970153A (en) | 2019-04-24 | 2019-04-24 | A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109970153A true CN109970153A (en) | 2019-07-05 |
Family
ID=67086019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910331960.9A Pending CN109970153A (en) | 2019-04-24 | 2019-04-24 | A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109970153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842949A (en) * | 2021-09-29 | 2021-12-28 | 西安理工大学 | m-MoSe2/PVDF/h-WSe2Preparation method of double-heterojunction flexible piezoelectric catalyst |
| CN115028234A (en) * | 2022-06-20 | 2022-09-09 | 常州大学 | Mixed phase 1T/2H MoSe 2 Application of nanosheet in piezoelectric catalysis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896222A (en) * | 2012-12-24 | 2014-07-02 | 中国科学技术大学 | Ultrathin nanosheet semiconductor material and preparation method and application thereof |
| WO2016122741A2 (en) * | 2014-11-11 | 2016-08-04 | William March Rice University | A new class of electrocatalysts |
| WO2017053466A1 (en) * | 2015-09-21 | 2017-03-30 | The Board Of Trustees Of The Leland Stanford Junior University | Molybdenum disulfide and related materials for water treatment |
| CN107815663A (en) * | 2017-10-19 | 2018-03-20 | 深圳大学 | A kind of effectively lifting individual layer two dimension Transition-metal dichalcogenide yield, the method for quality |
| CN108483412A (en) * | 2018-06-14 | 2018-09-04 | 西南大学 | The method for preparing metal selenide nano material based on one step of hydro-thermal method |
| CN108479748A (en) * | 2018-02-09 | 2018-09-04 | 南方科技大学 | Organic pollutant degradation piezoelectricity photoelectron material and biodegrading process |
-
2019
- 2019-04-24 CN CN201910331960.9A patent/CN109970153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896222A (en) * | 2012-12-24 | 2014-07-02 | 中国科学技术大学 | Ultrathin nanosheet semiconductor material and preparation method and application thereof |
| WO2016122741A2 (en) * | 2014-11-11 | 2016-08-04 | William March Rice University | A new class of electrocatalysts |
| WO2017053466A1 (en) * | 2015-09-21 | 2017-03-30 | The Board Of Trustees Of The Leland Stanford Junior University | Molybdenum disulfide and related materials for water treatment |
| CN107815663A (en) * | 2017-10-19 | 2018-03-20 | 深圳大学 | A kind of effectively lifting individual layer two dimension Transition-metal dichalcogenide yield, the method for quality |
| CN108479748A (en) * | 2018-02-09 | 2018-09-04 | 南方科技大学 | Organic pollutant degradation piezoelectricity photoelectron material and biodegrading process |
| CN108483412A (en) * | 2018-06-14 | 2018-09-04 | 西南大学 | The method for preparing metal selenide nano material based on one step of hydro-thermal method |
Non-Patent Citations (2)
| Title |
|---|
| 吴思佳等: "WSe2 的制备及其电化学性能研究", 《当代化工》 * |
| 黄克靖等: "《二维过渡金属二硫属化合物的电化学储能应用》", 30 September 2018, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842949A (en) * | 2021-09-29 | 2021-12-28 | 西安理工大学 | m-MoSe2/PVDF/h-WSe2Preparation method of double-heterojunction flexible piezoelectric catalyst |
| CN113842949B (en) * | 2021-09-29 | 2023-08-22 | 西安理工大学 | m-MoSe 2 /PVDF/h-WSe 2 Preparation method of double heterojunction flexible piezoelectric catalyst |
| CN115028234A (en) * | 2022-06-20 | 2022-09-09 | 常州大学 | Mixed phase 1T/2H MoSe 2 Application of nanosheet in piezoelectric catalysis |
| CN115028234B (en) * | 2022-06-20 | 2023-11-14 | 常州大学 | Mixed phase 1T/2H MoSe 2 Application of nanosheets in piezoelectric catalysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107552033B (en) | Preparation method of oxygen vacancy-containing strontium titanate photocatalyst | |
| CN107597166B (en) | A kind of carbon dots/cadmiumsulfide quantum dot/carbon nitride catalyst and preparation method thereof | |
| CN107486152B (en) | A kind of preparation method and application of leaf based biomass carbon aerogels | |
| CN104475140A (en) | Silver-modified carbon nitride composite photocatalytic material and preparation method thereof | |
| CN109970153A (en) | A kind of WSe2The method of nanometer sheet piezoelectricity catalyst efficient degradation organic pollutant | |
| CN107159295A (en) | A kind of inverse opal materials derived of visible light photocatalytic degradation of organic pollutants and preparation method thereof | |
| CN108479748A (en) | Organic pollutant degradation piezoelectricity photoelectron material and biodegrading process | |
| CN103657619A (en) | Preparation method of titanium dioxide nanosheet photocatalytic material with controllable size | |
| CN107265434A (en) | A kind of bamboo nano-cellulose/redox graphene is combined the preparation method and applications of carbon aerogels | |
| CN108187718A (en) | A kind of Preparation method and use of carbonitride/tantalic acid calcium potassium nanosheet composite material | |
| CN109806889A (en) | A kind of molybdenum disulfide/ferroferric oxide magnetic nano composite material and preparation method and application | |
| CN106492863B (en) | The method for preparing base metal molybdenum carbide catalyst using cold plasma | |
| CN106732508A (en) | A kind of photochemical catalyst alkali metal CNB and preparation method thereof | |
| CN114588890B (en) | Preparation of vanadium doped sodium niobate piezoelectric catalyst and application of vanadium doped sodium niobate piezoelectric catalyst in preparation of hydrogen peroxide and hydrogen by catalytic cracking of intermediate water | |
| CN107029791B (en) | A kind of fenton catalyst and preparation method thereof, the application in lignocellulosic pretreatment | |
| CN108358245A (en) | A kind of rose shape MoS2The preparation method of nano flower | |
| CN101284670B (en) | Organic surface modification halloysite nano-tube and method for making same | |
| CN110560064A (en) | Preparation method and application of magnetic carbon sphere loaded cobaltosic oxide catalyst | |
| CN102583304A (en) | Method for preparing carbon microsphere by utilizing waste cotton fibre | |
| CN105618005A (en) | Preparation method of magnetic chitosan | |
| CN108636439A (en) | A kind of nitrogen-doped carbon quantum dot-three-dimensional grapheme aerogels and its preparation and application | |
| CN111847498A (en) | Cadmium sulfide nanorod and method for tribocatalytically degrading organic pollutants | |
| CN109824035A (en) | A kind of method that cellulose prepares graphene quantum dot | |
| Bayram et al. | Efficient decolorization of anionic dye (Methyl Blue) by natural-based biosorbent (nano-Magnetic Sophora Japonica Fruit Seed Biochar) | |
| CN108837798A (en) | A kind of middle space stage core-shell structure biomass carbon aeroge and preparation method and application |
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: 20190705 |