CN107876069A - BiOCl photochemical catalysts and its synthetic method with highlight catalytic active - Google Patents

BiOCl photochemical catalysts and its synthetic method with highlight catalytic active Download PDF

Info

Publication number
CN107876069A
CN107876069A CN201711222753.7A CN201711222753A CN107876069A CN 107876069 A CN107876069 A CN 107876069A CN 201711222753 A CN201711222753 A CN 201711222753A CN 107876069 A CN107876069 A CN 107876069A
Authority
CN
China
Prior art keywords
biocl
synthetic method
aqueous solution
photochemical catalysts
catalytic active
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
Application number
CN201711222753.7A
Other languages
Chinese (zh)
Inventor
彭银
毛艳鸽
刘婷
徐健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Normal University
Original Assignee
Anhui Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Normal University filed Critical Anhui Normal University
Priority to CN201711222753.7A priority Critical patent/CN107876069A/en
Publication of CN107876069A publication Critical patent/CN107876069A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06Halogens; Compounds thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G29/00Compounds of bismuth
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/10One-dimensional structures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/10Particle morphology extending in one dimension, e.g. needle-like
    • C01P2004/16Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/308Dyes; Colorants; Fluorescent agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/34Organic compounds containing oxygen
    • C02F2101/345Phenols
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a kind of BiOCl photochemical catalysts and its synthetic method with highlight catalytic active, the photocatalytic activity of the BiOCl photochemical catalysts is higher, and its pattern is not reported with synthetic method.In addition, Bi will be contained3+、[C6O7H5]3‑And ClThe aqueous solution carry out heating response the step of, wherein, Bi in the aqueous solution3+With [C6O7H5]3‑The ratio between the amount of material be 6:15, you can obtaining this has the BiOCl photochemical catalysts of highlight catalytic active, and synthetic method is simple, has higher application value.

Description

BiOCl photochemical catalysts and its synthetic method with highlight catalytic active
Technical field
The present invention relates to nano material, in particular it relates to a kind of BiOCl photochemical catalysts with highlight catalytic active and its Synthetic method and application.
Background technology
Fossil fuel is all indispensable in the links that we live, and the non-renewable and reserves that gradually decrease are Through causing energy crisis, and also along with serious environmental pollution during consumption.At present, Photocatalitic Technique of Semiconductor is considered as It is to solve the more promising technology of the two problems, by generation of hydrogen by dissociation of water, photocatalytic reduction of carbon oxide produces hydrocarbon Fuel, and light degradation is carried out to toxic pollutant to make up problem of environmental pollution.
In recent years, BiOCl synthesis and photocatalytic activity research cause the great interest of people, main cause one: BiOCl has [Bi2O2] and two dimension (2D) crystal structure for interlocking of double halogen atom.Spontaneous interior electricity be present in this layer structure , be advantageous to quick separating and the transmission of photo-generated charge carriers, activity is urged so as to effectively improve light;Reason two:BiOCl has Preferable photostability, valence band hole position and conduction band electron position are Strong oxdiative also original position.Its photocatalytic activity it is remote by force with Star's material TiO2
Therefore, the patterns such as BiOCl nanometer sheets, the micron ball of hierarchy, micro-flowers and their photocatalytic activity are all There are numerous studies.But the claimed BiOCl micro/nano materials of this patent, its pattern have no report with synthetic method.Separately Outside, the higher photocatalytic activity of product is also the outstanding person in the bismuthino compound photochemical catalyst reported at present.
The content of the invention
, should it is an object of the invention to provide a kind of BiOCl photochemical catalysts and its synthetic method with highlight catalytic active The photocatalytic activity of BiOCl photochemical catalysts is higher, equal better than in general bismuthino compound photochemical catalyst, its pattern and synthetic method Have no report.In addition, Bi will be contained3+、[C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, in the aqueous solution Bi3+With [C6O7H5]3-The ratio between the amount of material be 6:1-5, you can obtaining this has the BiOCl photocatalysis of highlight catalytic active Agent, synthetic method is simple, has higher application value.
To achieve these goals, the invention provides a kind of conjunction of the BiOCl photochemical catalysts with highlight catalytic active Into method, including Bi will be contained3+、[C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, Bi in the aqueous solution3 +With [C6O7H5]3-The ratio between the amount of material be 6:1-5.
The present invention also provides a kind of BiOCl light with highlight catalytic active synthesized according to previously described synthetic method Catalyst.
Pass through above-mentioned technical proposal, there is provided a kind of BiOCl photochemical catalysts and its synthetic method with highlight catalytic active, The photocatalytic activity of the BiOCl photochemical catalysts is higher, better than in general bismuthino compound photochemical catalyst, its pattern and synthetic method It is not reported.In addition, Bi will be contained3+、[C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, the aqueous solution Middle Bi3+With [C6O7H5]3-The ratio between the amount of material be 6:1-5, you can obtaining this has the BiOCl photocatalysis of highlight catalytic active Agent, synthetic method is simple, has higher application value.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is to detect the X-ray diffractogram in example 1;
Fig. 2 is to detect ESEM (SEM) figure in example 2;
Fig. 3 is ESEM (SEM) figure of the product in embodiment 3;
Fig. 4 is ESEM (SEM) figure of the product in embodiment 4;
Fig. 5 is MO (10mg/L) degradation curve in the presence of the different catalysts in application examples 1;
Fig. 6 be application examples 2 in BiOCl-0.2g as photochemical catalyst, to the degradation curve of various concentrations MO solution;
Fig. 7 is RhB (10mg/L) degradation curve in the presence of the different catalysts in application examples 3;
Fig. 8 is the degradation curve of phenol (10mg/L) in the presence of the different catalysts in application examples 4;
Fig. 9 is the BiOCl-0.2g in application examples 5 to 10mg/L Photocatalytic Degradation of Methyl Orange recycling rate of waterused figures;
Figure 10 is the X-ray diffractogram in application examples 5.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more New number range, these number ranges should be considered as specific open herein.
To achieve these goals, the invention provides a kind of conjunction of the BiOCl photochemical catalysts with highlight catalytic active Into method, including Bi will be contained3+、[C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, Bi in the aqueous solution3 +With [C6O7H5]3-The ratio between the amount of material be 6:1-5.
Pass through above-mentioned technical proposal, there is provided a kind of BiOCl photochemical catalysts and its synthetic method with highlight catalytic active, The photocatalytic activity of the BiOCl photochemical catalysts is higher, better than in general bismuthino compound photochemical catalyst, its pattern and synthetic method It is not reported.In addition, Bi will be contained3+、[C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, the aqueous solution Middle Bi3+With [C6O7H5]3-The ratio between the amount of material be 6:1-5, you can obtaining this has the BiOCl photocatalysis of highlight catalytic active Agent, synthetic method is simple, has higher application value.
In a kind of preferred embodiment of the present invention, in order to obtain the BiOCl photochemical catalysts with highlight catalytic active, Preferably, Bi in the aqueous solution3+、[C6O7H5]3-And Cl-The ratio between the amount of material be 6:1-5:6.
In a kind of preferred embodiment of the present invention, in order to obtain the BiOCl photochemical catalysts with highlight catalytic active, Preferably, Bi in the aqueous solution3+Concentration be 20-30mmol/L.
In a kind of preferred embodiment of the present invention, in order to obtain the BiOCl photochemical catalysts with highlight catalytic active, Preferably, the temperature of heating response is 120-180 DEG C.
In a kind of preferred embodiment of the present invention, in order to obtain the BiOCl photochemical catalysts with highlight catalytic active, Preferably, the time of heating response is 8-12h.
Pass through above-mentioned technical proposal is the BiOCl photochemical catalysts that can obtain having highlight catalytic active, in order to be had The BiOCl photochemical catalysts of highlight catalytic active, it is preferable that the formation of the aqueous solution includes:Cl will be provided-Material and offer [C6O7H5]3-Material be pre-dissolved in water, then ultrasonic disperse is added dropwise to be pre-dissolved and is provided with Bi3+Material the aqueous solution in, mix Close.
It is the BiOCl photochemical catalysts that can obtain that there is highlight catalytic active according to above-mentioned synthetic method, further, is The higher BiOCl photochemical catalysts with highlight catalytic active of photocatalytic activity are obtained, the formation of the aqueous solution includes:Will Cl is provided-Material and offer [C6O7H5]3-Material be pre-dissolved in water, then ultrasonic disperse is added dropwise to be pre-dissolved and is provided with Bi3+ Material the aqueous solution in, mixing.
In the above-mentioned technical solutions, it is pre-dissolved and is provided with Cl-Material and offer [C6O7H5]3-Material the aqueous solution with it is pre- Dissolving is provided with Bi3+The volume ratio of the aqueous solution of material can be adjusted in relative broad range, as long as meet above-mentioned concentration or The amount requirement of material, in order to obtain the BiOCl micron bars of the regular exposure of crystalline form (110) crystal face, it is preferable that in advance dissolved with carrying For Cl-Material and offer [C6O7H5]3-Material the aqueous solution and be pre-dissolved and be provided with Bi3+Material the aqueous solution volume ratio For 1:0.8-1.2.
In the above-mentioned technical solutions, those skilled in the art are for providing Cl-Material can be adjusted in relative broad range It is whole, such as, there is provided Cl-Material to contain Cl-Salt or contain Cl-Acid, can be achieved the present invention.In order to further make original Expect simple and easy to get, it is preferable that Cl is provided-Material be sodium chloride, potassium chloride and hydrochloric acid in one or more.
In the above-mentioned technical solutions, those skilled in the art are for providing [C6O7H5]3-Material can enter in relative broad range Row adjustment, in order to further make raw material simple and easy to get, it is preferable that [C is provided6O7H5]3-Material be citrate and/or lemon Acid.
In the above-mentioned technical solutions, those skilled in the art are for providing Bi3+Material can be adjusted in relative broad range It is whole, in order to further make raw material simple and easy to get, it is preferable that provide Bi3+Material be bismuth nitrate and/or bismuth oxalate.
Terminate the processing of rear product for reaction, those skilled in the art can be adjusted flexibly, it is preferable that the synthetic method It is additionally included in after heating response terminates and naturally cools to room temperature, product is washed with water and/or ethanol afterwards, then dried The step of.
The present invention also provides a kind of BiOCl light with highlight catalytic active synthesized according to previously described synthetic method Catalyst.
The photocatalytic activity of the BiOCl photochemical catalysts is better than in general bismuthino compound photochemical catalyst, its pattern and synthesis Method is not reported.
Further, BiOCl photochemical catalysts have the one-dimensional rod-like structure accumulated and formed by BiOCl nanometer sheets.
The present invention also provides a kind of method of photocatalytic pollutant degradation, including by pollutant under illumination condition and above The step of described BiOCl photochemical catalysts with highlight catalytic active are contacted.
The method of photocatalytic pollutant degradation has the characteristics of efficiency high, BiOCl photochemical catalysts are easily recycled.
In the above-mentioned technical solutions, pollutant has the one or more in methyl orange, phenol and rhodamine B.
In such scheme, enter in the one or more that the condition of photocatalytic degradation is included in soil, water, organic solvent The row contact.
The present invention will be described in detail by way of examples below.
In following examples, all raw materials are commercially available product.
Embodiment 1
By 1mmol Bi (NO3)3·5H2O and 1mmol KCl are added separately in 20mL distilled water, are connected at 20 DEG C of room temperature Continuous stirring forms solution, 0.68mmol (0.2g) sodium citrate is added in above-mentioned KCl solution, ultrasonic disperse, then by it Mixed solution is added drop-wise to above-mentioned Bi (NO3)3·5H2In O solution, stir 30 minutes;
It is then transferred in autoclave, 160 DEG C are heated 8 hours, after reaction terminates, naturally cool to room temperature;
Product distilled water, ethanol washing, is dried to constant weight.Product Labeling is BiOCl-0.2g.
Embodiment 2
By 1mmol Bi (NO3)3·5H2O is added in 25mL distilled water, and 1mmol KCl are added separately into 25mL distillations In water, continuously stir to form solution respectively at 20 DEG C of room temperature, 0.83mmol sodium citrates be added in above-mentioned KCl solution, Ultrasonic disperse, then it is mixed solution and is added drop-wise to above-mentioned Bi (NO3)3·5H2In O solution, stir 30 minutes;
It is then transferred in autoclave, 120 DEG C are heated 12 hours, after reaction terminates, naturally cool to room temperature;
Product distilled water, ethanol washing, is dried to constant weight.
Embodiment 3
By 1mmol Bi (NO3)3·5H2O is added in 18mL distilled water, and 1mmol KCl are added separately into 17mL distillations In water, continuously stir to form solution respectively at 20 DEG C of room temperature, 0.17mmol (0.05g) sodium citrate is added to above-mentioned KCl In solution, ultrasonic disperse, then it is mixed solution and is added drop-wise to above-mentioned Bi (NO3)3·5H2In O solution, stir 30 minutes;
It is then transferred in autoclave, 180 DEG C are heated 10 hours, after reaction terminates, naturally cool to room temperature;
Product distilled water, ethanol washing, is dried to constant weight.Product Labeling is BiOCl-0.05g.
Embodiment 4
By 1mmol Bi (NO3)3·5H2O and 1mmol KCl are added separately in 20mL distilled water, are connected at 20 DEG C of room temperature Continuous stirring forms solution, 0.34mmol (0.1g) sodium citrate is added in above-mentioned KCl solution, ultrasonic disperse, then by it Mixed solution is added drop-wise to above-mentioned Bi (NO3)3·5H2In O solution, stir 30 minutes;
It is then transferred in autoclave, 160 DEG C are heated 8 hours, after reaction terminates, naturally cool to room temperature;
Product distilled water, ethanol washing, is dried to constant weight.Product Labeling is BiOCl-0.1g
Comparative example 1
BiOCl is synthesized according to the method for embodiment 1, the difference is that being added without sodium citrate, keeps obtaining under the same terms Sample be labeled as BiOCl-001 (BiOCl-0g).
Detect example 1
The BiOCl photochemical catalysts obtained in X-ray diffraction analysis embodiment 1, embodiment 3, embodiment 4, in corresponding diagram BiOCl-001 (0g curve in corresponding diagram) in 0.2g, 0.05g, 0.1g curve, and comparative example 1, and and standard card BiOCl (JCPDS No.06-0249) is compareed, and obtained X-ray diffractogram (XRD) is as shown in Figure 1.
It will be seen from figure 1 that BiOCl photochemical catalysts (001) crystal face diffracted intensity substantially subtracts than BiOCl-001 diffracted intensity It is weak, and the BiOCl-001 of (110) crystal face diffracted intensity is strong.
Detect example 2
The BiOCl photochemical catalysts that ESEM (SEM) analysis embodiment 1 obtains, as a result as shown in Figure 2.Can from Fig. 2 Go out, product BiOCl is accumulated by substantial amounts of BiOCl nanometer sheets, forms one-dimensional rod-like structure.
Similarly, the BiOCl photochemical catalysts obtained in ESEM (SEM) analysis embodiment 3, embodiment 4, it is as a result right respectively It should show that product BiOCl is accumulated by substantial amounts of BiOCl nanometer sheets such as Fig. 3, Fig. 4, form one-dimensional rod-like structure.
Application examples 1
In the case where temperature is 30 DEG C and illumination condition by the BiOCl in embodiment 1, embodiment 3, embodiment 4 and comparative example 1 Photochemical catalyst 0.04g is contacted with the aqueous solution 40mL containing methyl orange (MO) (10mg/L).As shown in figure 5, BiOCl- 0.2g samples show highest photocatalytic activity, and 100% MO (10mg/L) can be complete in 4 minutes under sunshine irradiation Degraded.BiOCl-0.1g, BiOCl-0.05g degradation efficiency are also superior to the sample in comparative example.
It can be seen that BiOCl of the invention light urges agent to have preferable photocatalytic activity, photocatalytic degradation of the invention pollution The method of thing has the characteristics of efficiency high.
Application examples 2
It it is 30 DEG C and under the conditions of sunshine irradiation by temperature, by methyl orange (MO) water of 40mL various concentrations Solution is contacted to evaluate the work of BiOCl-0.2g photochemical catalysts in embodiment 1 with applying BiOCl-0.2g photochemical catalysts 0.04g in example 1 Property, the concentration of wherein methyl orange (MO) aqueous solution are 10mg/L, 20mg/L, 30mg/L and 40mg/L, as a result as shown in fig. 6, BiOCl-0.2g samples also have extraordinary degradation capability to the MO of high concentration, as 40mg/L MO can be complete at 30 minutes Degradable, degradation efficiency are higher.
Application examples 3
In the case where temperature is 30 DEG C and illumination condition, by embodiment 1, embodiment 3, embodiment 4 and comparative example 1 BiOCl photochemical catalysts 0.04g is contacted to evaluate embodiment with the 40mL aqueous solution for containing rhodamine B (RhB) (10mg/L) 1st, in embodiment 3, embodiment 4 and comparative example 1 BiOCl photocatalytic activity.As shown in fig. 7, BiOCl-0.05g, BiOCl- 0.1g and BiOCl-0.2g is compared to BiOCl-0g, under showing that more preferable photocatalytic activity, sunshine irradiate, 10mg/L's RhB is degradable in 3 minutes, 6 minutes and 7 minutes respectively.
It can be seen that BiOCl of the invention light urges agent to have preferable photocatalytic activity, photocatalytic degradation of the invention pollution The method of thing has the characteristics of efficiency high.
Application examples 4
In the case where temperature is 30 DEG C and illumination condition, by embodiment 1, embodiment 3, embodiment 4 and comparative example 1 BiOCl photochemical catalysts 0.04g is contacted to evaluate embodiment 1, embodiment with the 40mL aqueous solution for containing phenol (10mg/L) 3rd, in embodiment 4 and comparative example 1 BiOCl photocatalytic activity.As shown in figure 8, BiOCl-0.05g, BiOCl-0.1g and BiOCl-0.2g shows more preferable photocatalytic activity, under sunshine irradiation, 10mg/L phenol divides compared to BiOCl-0g It is degradable interior degradable not in 30 minutes, 35 minutes and 30 minutes.
It can be seen that BiOCl of the invention light urges agent to have preferable photocatalytic activity, photocatalytic degradation of the invention pollution The method of thing has the characteristics of efficiency high.
Application examples 5
According to the method for application examples 1, using the BiOCl-0.2g samples in 0.04g embodiments 1 to 40mL10mg/L methyl Orange aqueous solution photocatalytic degradation carries out repeating degraded 5 times, and the degradation efficiency after observation recycling as a result as shown in figure 9, can See, BiOCl-0.2g stability in photocatalytic process is preferable, and recycling rate of waterused is higher.
Five forward and backward diffraction patterns of circulation are being carried out using X-ray diffraction analysis BiOCl-0.2 photochemical catalysts, as a result such as Shown in Figure 10, BiOCl-0.2 photochemical catalysts circulate for five times forward and backward diffraction maximum change substantially it is small, it is seen then that BiOCl-0.2g Stability is preferable in photocatalytic process, and recycling rate of waterused is higher.
As can be seen here, BiOCl photochemical catalysts of the invention have excellent photocatalytic activity and reusing;And because Product is one-dimensional micro/nano structure, has larger size, and recovery is beneficial in actual sewage degradation process.Therefore, this product It is the high efficiency photocatalyst with practical value.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should equally be considered as content disclosed in this invention.

Claims (10)

1. a kind of synthetic method of the BiOCl photochemical catalysts with highlight catalytic active, it is characterised in that including Bi will be contained3+、 [C6O7H5]3-And Cl-The aqueous solution carry out heating response the step of, wherein, Bi in the aqueous solution3+With [C6O7H5]3-Material amount The ratio between be 6:1-5.
2. synthetic method according to claim 1, wherein, Bi in the aqueous solution3+、[C6O7H5]3-And Cl-Material amount it Than for 6:1-5:6.
3. synthetic method according to claim 1, wherein, Bi in the aqueous solution3+Concentration be 20-30mmol/L.
4. synthetic method according to claim 1, wherein, the temperature of heating response is 120-180 DEG C;And/or
The time of heating response is 8-12h.
5. according to the synthetic method described in claim any one of 1-4, wherein, the formation of the aqueous solution includes:Cl will be provided- Material and offer [C6O7H5]3-Material be pre-dissolved in water, then ultrasonic disperse is added dropwise to be pre-dissolved and is provided with Bi3+Material The aqueous solution in, mixing.
6. synthetic method according to claim 5, wherein, it is pre-dissolved and is provided with Cl-Material and offer [C6O7H5]3-Thing The aqueous solution of matter is provided with Bi with being pre-dissolved3+Material the aqueous solution volume ratio be 1:0.8-1.2.
7. synthetic method according to claim 5, wherein, there is provided Cl-Material to contain Cl-Salt or contain Cl-'s Acid;And/or
[C is provided6O7H5]3-Material be citrate and/or citric acid.
8. synthetic method according to claim 5, wherein, there is provided Bi3+Material be bismuth nitrate and/or bismuth oxalate.
9. the BiOCl photocatalysis with highlight catalytic active of the synthetic method synthesis according to claim any one of 1-8 Agent.
10. BiOCl photochemical catalysts according to claim 9, wherein, BiOCl photochemical catalysts have by BiOCl nanometer sheet heaps The one-dimensional rod-like structure that product is formed.
CN201711222753.7A 2017-11-29 2017-11-29 BiOCl photochemical catalysts and its synthetic method with highlight catalytic active Pending CN107876069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711222753.7A CN107876069A (en) 2017-11-29 2017-11-29 BiOCl photochemical catalysts and its synthetic method with highlight catalytic active

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711222753.7A CN107876069A (en) 2017-11-29 2017-11-29 BiOCl photochemical catalysts and its synthetic method with highlight catalytic active

Publications (1)

Publication Number Publication Date
CN107876069A true CN107876069A (en) 2018-04-06

Family

ID=61775777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711222753.7A Pending CN107876069A (en) 2017-11-29 2017-11-29 BiOCl photochemical catalysts and its synthetic method with highlight catalytic active

Country Status (1)

Country Link
CN (1) CN107876069A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857333A (en) * 2017-11-29 2018-03-30 安徽师范大学 The method of photocatalytic pollutant degradation
CN108579770A (en) * 2018-05-15 2018-09-28 安徽师范大学 A method of carrying out degradation of contaminant using BiOCl nano-rings
CN108940323A (en) * 2018-07-09 2018-12-07 王子韩 A kind of preparation method and applications of BiOBr nanometer rods
TWI776041B (en) * 2019-04-08 2022-09-01 鋐錕實業股份有限公司 Method for reducing carbon dioxide to manufacture carbon compound

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104386746A (en) * 2014-11-19 2015-03-04 北京大学 Method for preparing small-size bismuth oxychloride wafer by use of hydrothermal method
CN105032452A (en) * 2015-07-14 2015-11-11 聊城大学 Preparation method for high-visible-light-activity K-doped BiOCl photocatalyst
CN107215894A (en) * 2017-06-09 2017-09-29 北京华腾新材料股份有限公司 A kind of heat-insulated granules of pigments of bismoclite near-infrared high reflection and preparation method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104386746A (en) * 2014-11-19 2015-03-04 北京大学 Method for preparing small-size bismuth oxychloride wafer by use of hydrothermal method
CN105032452A (en) * 2015-07-14 2015-11-11 聊城大学 Preparation method for high-visible-light-activity K-doped BiOCl photocatalyst
CN107215894A (en) * 2017-06-09 2017-09-29 北京华腾新材料股份有限公司 A kind of heat-insulated granules of pigments of bismoclite near-infrared high reflection and preparation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XIULANHU ET.AL: "Controllable hydrothermal synthesis of BiOCl nanoplates with high exposed {001} facets", 《MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107857333A (en) * 2017-11-29 2018-03-30 安徽师范大学 The method of photocatalytic pollutant degradation
CN107857333B (en) * 2017-11-29 2021-03-16 安徽师范大学 Method for photocatalytic degradation of pollutants
CN108579770A (en) * 2018-05-15 2018-09-28 安徽师范大学 A method of carrying out degradation of contaminant using BiOCl nano-rings
CN108579770B (en) * 2018-05-15 2020-03-24 安徽师范大学 Method for degrading pollutants by using BiOCl nanoring
CN108940323A (en) * 2018-07-09 2018-12-07 王子韩 A kind of preparation method and applications of BiOBr nanometer rods
CN108940323B (en) * 2018-07-09 2021-04-09 王子韩 Preparation method and application of BiOBr nanorod
TWI776041B (en) * 2019-04-08 2022-09-01 鋐錕實業股份有限公司 Method for reducing carbon dioxide to manufacture carbon compound

Similar Documents

Publication Publication Date Title
Li et al. In situ anion exchange strategy to construct flower-like BiOCl/BiOCOOH pn heterojunctions for efficiently photocatalytic removal of aqueous toxic pollutants under solar irradiation
Guo et al. Highly efficient activation of peroxymonosulfate by Co3O4/Bi2MoO6 pn heterostructure composites for the degradation of norfloxacin under visible light irradiation
Cai et al. Novel Cd0. 5Zn0. 5S/Bi2MoO6 S-scheme heterojunction for boosting the photodegradation of antibiotic enrofloxacin: Degradation pathway, mechanism and toxicity assessment
Sharma et al. Recent advances in enhanced photocatalytic activity of bismuth oxyhalides for efficient photocatalysis of organic pollutants in water: a review
Li et al. Constructing hierarchical ZnIn2S4/g-C3N4 S-scheme heterojunction for boosted CO2 photoreduction performance
Prasad et al. An overview of semiconductors/layered double hydroxides composites: Properties, synthesis, photocatalytic and photoelectrochemical applications
Xu et al. Visible-light photocatalytic reduction of Cr (Ⅵ) using nano-sized delafossite (CuFeO2) synthesized by hydrothermal method
Jing et al. Direct Z-scheme red carbon nitride/rod-like lanthanum vanadate composites with enhanced photodegradation of antibiotic contaminants
Ye et al. ZnIn2S4 nanosheets decorating WO3 nanorods core-shell hybrids for boosting visible-light photocatalysis hydrogen generation
Ghosh et al. Graphitic carbon nitride based Z scheme photocatalysts: design considerations, synthesis, characterization and applications
Bilal Tahir et al. Role of fullerene to improve the WO3 performance for photocatalytic applications and hydrogen evolution
Song et al. Photocatalytic activities of Mo-doped Bi2WO6 three-dimensional hierarchical microspheres
CN107876069A (en) BiOCl photochemical catalysts and its synthetic method with highlight catalytic active
Chen et al. Facile synthesis of visible-light-active BiOI modified Bi2MoO6 photocatalysts with highly enhanced photocatalytic activity
CN108502926B (en) BiOCl nano-rings and its synthetic method
Li et al. Carbon dots decorated three-dimensionally ordered macroporous bismuth-doped titanium dioxide with efficient charge separation for high performance photocatalysis
Su et al. One-step synthesis of Cu2O@ carbon nanocapsules composites using sodium alginate as template and characterization of their visible light photocatalytic properties
CN105384193A (en) Preparation method of niobium (V) pentoxide urchin-like nano sphere and application of nano sphere as photocatalyst
CN105148955A (en) Preparation process of complex photocatalyst with multiwalled carbon nanotube loading silver/silver phosphate core-shell structure
Chala et al. RbxWO3/Ag3VO4 nanocomposites as efficient full-spectrum (UV, visible, and near-infrared) photocatalysis
Jang et al. CO2 reduction by photocatalytic and photoelectrocatalytic approaches over Eu (III)-ZnGa2O4 nanoparticles and Eu (III)-ZnGa2O4/ZnO nanorods
Li et al. Photocatalytic reduction of Cr (VI) by WO3@ PVP with elevated conduction band level and improved charge carrier separation property
CN105126885A (en) Composite visible light photocatalytic material and preparation method and application thereof
Zou et al. Oxalic acid modified hexagonal ZnIn2S4 combined with bismuth oxychloride to fabricate a hierarchical dual Z-scheme heterojunction: Accelerating charge transfer to improve photocatalytic activity
CN103785429A (en) Silver phosphate/graphene/titanium dioxide nano composite 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: 20180406