CN103586061A - Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof - Google Patents

Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof Download PDF

Info

Publication number
CN103586061A
CN103586061A CN201310553476.3A CN201310553476A CN103586061A CN 103586061 A CN103586061 A CN 103586061A CN 201310553476 A CN201310553476 A CN 201310553476A CN 103586061 A CN103586061 A CN 103586061A
Authority
CN
China
Prior art keywords
agcl
catalyst
visible light
composite photo
responded
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
CN201310553476.3A
Other languages
Chinese (zh)
Inventor
姚霞喜
刘孝恒
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.)
Nanjing University of Science and Technology
Original Assignee
Nanjing University of Science and Technology
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 Nanjing University of Science and Technology filed Critical Nanjing University of Science and Technology
Priority to CN201310553476.3A priority Critical patent/CN103586061A/en
Publication of CN103586061A publication Critical patent/CN103586061A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Catalysts (AREA)

Abstract

The invention discloses a visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and a preparation method and application thereof. The composite photocatalyst is formed by compounding the following materials by mass percent: 30 to 60 percent of AgCl, 5 to 15 percent of Ag and 25 to 65 percent of Ag2CO3. The preparation method comprises the following steps: taking a certain volume of thermal spring water and stirring at the room temperature; slowly adding a certain volume of AgNO3 solution into the solution; after dropwise addition is finished, continuously stirring for 1 to 2 hours; centrifugally washing the obtained product by using deionized water; and drying to obtain the AgCl-Ag-Ag2CO3 composite photocatalyst. The method provided by the invention is simple in operating process and short in period; the used raw material thermal spring water is clean, cheap, distributed widely and low in cost; the synthesized AgCl-Ag-Ag2CO3 has high dispersibility. The AgCl-Ag-Ag2CO3 composition serves as a photocatalyst for degrading pollutants through photocatalysis, and the result shows that the AgCl-Ag-Ag2CO3 composite photocatalyst has excellent visible light degradation activity, can completely degrade methylene blue within 15 minutes, and has a good application prospect in the environmental protection fields of waste water treatment and the like.

Description

Visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst, preparation method and application
Technical field
The invention belongs to technical field of function materials, the present invention relates to a kind of visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst and preparation method thereof and photocatalytic applications.
Background technology
Along with the fast development of human society and economic increasing rapidly, caused take being doubled and redoubled of energy-consuming that oil and coal are representative.China's energy resource structure is faced with the double pressure of economic development and environmental protection, and the problem of environmental pollution bringing in life and production process is restricting the development of Chinese national economy and new forms of energy equally.Especially the content of organics discharging in industrial processes is high, and toxicity is large, and difficult degradation easily causes that animal and the mankind are carcinogenic, teratogenesis etc., and controlling organic pollution becomes one of China's problem demanding prompt solution.Exploitation is efficient, low energy consumption, applied widely and to have the poisonous difficult degradation pollutant clearance technique of deep oxidation ability be the target that green technology is pursued always.Research shows, by photocatalytic degradation pollutant, makes full use of the sunshine of cheapness and " green ", is an important channel that solves global ecological deterioration and energy crisis.Catalysis material is that photocatalysis technology develops the part of core the most, also be the principal element that determines its performance, conventionally there is the shortcoming that quantum efficiency is low, only absorb ultraviolet light in traditional conductor photocatalysis material, sunshine medium ultraviolet light part only accounts for 4% left and right, and major part is still visible ray.Therefore, finding efficient, stable and economic visible light-responded catalysis material is the practical key of photocatalysis technology.
In numerous catalysis materials, there is visible light-responded Ag based compound and receive in recent years people's concern and shown good photocatalytic activity and good application prospect.For example, and Ag/AgCl plasma photochemical catalyst (C.An, S.Peng, Y.Sun, Adv.Mater.2010,22,2570-2574), Ag 3pO 4(Y.Bi, S.Ouyang, N.Umezawa, J.Cao, J.Ye, J.Am.Chem.Soc.2011,133,6490-6492), Ag 2cO 3(H.Dong, G.Chen, J.Sun, C.Li, Y.Yu, D.Chen, Appl.Catal.B:Environ, 2013,134-135,46-54.), AgSbO 3(J.Singh, S.Uma, J.Phys.Chem.C2009,113,12483-12488) etc., their degradable organic pollutant effectively under the irradiation of visible ray, but there is the poor defect of photostability in single Ag based compound, under illumination condition, easily occur to decompose to generate simple substance silver, and photocatalytic activity can decrease.In addition, China's thermal water aboundresources, widely distributed, thermal water is the water resource of a kind of cheapness, cleaning, has been widely used in life and industrial generation, heat supply, physiotherapy etc.In thermal water, contain more Cl -, HCO 3 -, SO 4 2-and Na +, Mg 2+deng.Utilize the anion in thermal water at room temperature to adopt a step direct precipitation method to prepare visible light-responded AgCl-Ag-AgCO 3ternary complex, be applied to Photocatalytic Activity for Degradation organic pollution, can greatly reduce cost, there is better actual application value, and this ternary complex has shown good photostability and recyclability, overcome the poor defect of single Ag based compound photostability.
Summary of the invention
The object of the present invention is to provide a kind of visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst and preparation method thereof and photocatalytic applications.The method mild condition, raw material is easy to get, easy and simple to handle, and the cycle is short, and cost is low, can at room temperature synthesize visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst, and there is excellent photocatalysis performance.
Realizing technical solution of the present invention is:
A kind of visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst, described AgCl-Ag-Ag 2cO 3composite photo-catalyst is by AgCl, Ag and Ag 2cO 3tri compound forms, and wherein AgCl mass fraction is that 30-60%, Ag mass fraction are 5-15% and Ag 2cO 3mass fraction is 25-65%.
A kind of visible light-responded AgCl-Ag-Ag 2cO 3the preparation method of composite photo-catalyst comprises the following steps: get under the thermal water room temperature of certain volume and stir, then to the AgNO that slowly adds certain volume in above-mentioned solution 3solution, dropwises rear continuation and stirs 1～2 hour, finally by the product of gained through deionized water centrifuge washing, then obtain after drying described AgCl-Ag-Ag 2cO 3composite photo-catalyst.
Wherein, described thermal water comes from numerous Cl of containing such as The Hot Spring at Mt．Changbai, Yunnan Re Hai hot spring -and HCO 3 -thermal water.
Described AgNO 3solution concentration is 0.01-0.1 mol/L, AgNO 3the volume ratio of solution and thermal water is 1:1-1:10.
AgCl-Ag-Ag 2cO 3the photocatalytic applications of composite photo-catalyst comprises following content: by 0.01 gram of AgCl-Ag-Ag 2cO 3powder is dispersed in the 10 mg/litre methylene blue solutions of 20 milliliters, first stir and make half an hour methylene blue and photocatalyst powder reach adsorption-desorption balance, then photocatalytic degradation methylene blue under radiation of visible light, light source used is 300W xenon lamp, and is furnished with 400nm optical filter.
Remarkable advantage of the present invention is:
The present invention utilizes cleaning, cheapness, widely distributed thermal water as raw material, under room temperature, adopts and adds wherein Ag source (AgNO 3) method of Direct precipitation prepares AgCl-Ag-Ag 2cO 3ternary complex.The method is easy and simple to handle, and cost is low, and the cycle is short, the AgCl-Ag-Ag of synthesized 2cO 3there is excellent Visible Light Induced Photocatalytic activity and good recyclability, stability.
In visible ray During Illumination, Ag transfers on the conduction band of AgCl because plasma resonance excites the electronics of generation; While Ag 2cO 3under radiation of visible light, also can be excited, the electron transition in valence band is to conduction band, and Ag 2cO 3hole in electronics on conduction band and plasma resonance Ag particle occurs compound, makes electronics and the Ag of Ag excitation of plasma 2cO 3there is effectively separation and separately for light-catalysed redox reaction, promoted the carrying out of light-catalyzed reaction in the hole in valence band, thereby AgCl-Ag-Ag 2cO 3composite photo-catalyst has shown better photocatalytic activity.In addition, because effective transfer in electronics, hole in this process is with separated, has overcome the decomposition that the electronics that produces in single catalyst During Illumination brings to self and caused the poor problem of photostability, so AgCl-Ag-Ag 2cO 3composite photo-catalyst has shown again good cyclicity and photostability.
Accompanying drawing explanation
Fig. 1 is the obtained AgCl-Ag-Ag of embodiment 1 2cO 3x-ray diffraction pattern.
Fig. 2 is the obtained AgCl-Ag-Ag of embodiment 1 2cO 3scanning electron microscope diagram.
Fig. 3 is the obtained AgCl-Ag-Ag of embodiment 1 2cO 3the activity of composite photo-catalyst Visible Light Induced Photocatalytic methylene blue.
Fig. 4 is the activity of the obtained Ag/AgCl photochemical catalyst of comparative example 1 Visible Light Induced Photocatalytic methylene blue.
The specific embodiment
A kind of visible light-responded AgCl-Ag-Ag 2cO 3the preparation method of composite photo-catalyst comprises the following steps: get under the thermal water room temperature of certain volume and stir, then to the AgNO that slowly adds certain volume in above-mentioned solution 3solution, dropwises rear continuation and stirs 1～2 hour, finally by the product of gained through deionized water centrifuge washing, then obtain after drying described AgCl-Ag-Ag 2cO 3composite photo-catalyst.Wherein, thermal water comes from numerous Cl of containing such as The Hot Spring at Mt．Changbai, Yunnan Re Hai hot spring -and HCO 3 -thermal water, such thermal water is wider at distribution in China, and aboundresources; AgNO 3solution concentration is 0.01-0.1 mol/L, AgNO 3the volume ratio of solution and thermal water is 1:1-1:10.Owing to containing certain density Cl in thermal water -and HCO 3 -ion, when slowly adding wherein Ag +time, Ag +can with Cl -and HCO 3 -ionic reaction forms AgCl and Ag gradually 2cO 3this reaction is at room temperature carried out under normal laboratory condition, existence due to natural daylight, small part AgCl decomposition has obtained simple substance Ag, and appropriate simple substance Ag is because plasma resonance effect has obvious absorption at visible region, and this plasma resonance is absorbed in visible light photocatalysis pollutant and plays a major role, therefore utilize this easy method a step to obtain visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst.
Embodiment 1:
Step 1, gets under 20 milliliters of The Hot Spring at Mt．Changbai hydroecium temperature and stirs;
Step 2 dropwise adds 20 milliliter of 0.01 mol/L AgNO by constant pressure funnel in above-mentioned solution 3solution;
Step 3, dropwises rear continuation and stirs 1 hour, makes its crystallization complete;
Step 4, by products therefrom, through deionized water centrifuge washing, more drying obtains AgCl-Ag-Ag 2cO 3.
AgCl-Ag-Ag 2cO 3the photocatalytic applications of composite photo-catalyst is: by 0.01 gram of AgCl-Ag-Ag 2cO 3powder is dispersed in 20 milliliter of 10 mg/litre methylene blue solution, photocatalytic degradation methylene blue under radiation of visible light; Light source used is 300W xenon lamp, and is furnished with 400nm optical filter.
Prepared AgCl-Ag-Ag 2cO 3the mass fraction that in composite photo-catalyst, AgCl mass fraction is 39%, Ag is 14%, Ag 2cO 3mass fraction be 47%.Its X-ray powder diffraction (XRD) figure as shown in Figure 1, shows that prepared product is AgCl, Ag and Ag 2cO 3compound.SEM (SEM) is to prepared AgCl-Ag-Ag 2cO 3compound carries out morphology observation, and prepared compound pattern is that granule loads on blocks of solid uniformly, and better dispersed, and Fig. 2 is AgCl-Ag-Ag 2cO 3compound scanning electron microscope diagram.
Through Photocatalytic Activity for Degradation methylene blue Contaminant measurement, result shows prepared AgCl-Ag-Ag 2cO 3composite photo-catalyst has shown excellent visible light photocatalysis active, (approximately 15 minutes) quick and complete ground degradation of methylene blue at short notice, and Fig. 3 is AgCl-Ag-Ag 2cO 3the active testing of composite photo-catalyst Visible Light Induced Photocatalytic methylene blue.
Embodiment 2:
Step 1, gets under 100 milliliters long white thermal water room temperatures and stirs;
Step 2 dropwise adds 15 milliliter of 0.05 mol/L AgNO by constant pressure funnel in above-mentioned solution 3solution;
Step 3, dropwises rear continuation and stirs 1 hour, makes its crystallization complete;
Step 4, by products therefrom, through deionized water centrifuge washing, more drying obtains AgCl-Ag-Ag 2cO 3.
AgCl-Ag-Ag 2cO 3the photocatalytic applications of composite photo-catalyst is with embodiment 1.
Prepared AgCl-Ag-Ag 2cO 3the mass fraction that in composite photo-catalyst, AgCl mass fraction is 60%, Ag is 15%, Ag 2cO 3mass fraction be 25%.
Embodiment 3:
Step 1, gets under 50 milliliters of Yunnan Re Hai thermal water room temperatures and stirs;
Step 2 dropwise adds 15 milliliter of 0.1 mol/L AgNO by constant pressure funnel in above-mentioned solution 3solution;
Step 3, dropwises rear continuation and stirs 1 hour, makes its crystallization complete;
Step 4, by products therefrom, through deionized water centrifuge washing, more drying obtains AgCl-Ag-Ag 2cO 3.
AgCl-Ag-Ag 2cO 3the photocatalytic applications of composite photo-catalyst is with embodiment 1.
Prepared AgCl-Ag-Ag 2cO 3the mass fraction that in composite photo-catalyst, AgCl mass fraction is 30%, Ag is 5%, Ag 2cO 3mass fraction be 65%.
Comparative example 1:
Step 1:20 milliliter 0.01 mol/L NaCl solution stirs under room temperature in there-necked flask;
Step 2 dropwise adds 20 milliliter of 0.01 mol/L AgNO by constant pressure funnel in above-mentioned solution 3solution;
Step 3, dropwises rear continuation and stirs 1 hour, makes its crystallization complete;
Step 4, by products therefrom, through deionized water centrifuge washing, more drying obtains Ag/AgCl photochemical catalyst.
The photocatalytic applications of Ag/AgCl photochemical catalyst is: 0.01 gram of Ag/AgCl powder is dispersed in the 10 mg/litre methylene blue solutions of 20 milliliters to photocatalytic degradation methylene blue under radiation of visible light; Light source used is 300W xenon lamp, and is furnished with 400nm optical filter.
Through Photocatalytic Activity for Degradation methylene blue Contaminant measurement, result shows that prepared Ag/AgCl photochemical catalyst can degradation of methylene blue under radiation of visible light, possess certain photocatalytic activity, but its Photocatalytic activity is lower than AgCl-Ag-Ag 2cO 3composite photo-catalyst, Fig. 4 is the active design sketch of Ag/AgCl photochemical catalyst Visible Light Induced Photocatalytic methylene blue.

Claims (10)

1. a visible light-responded AgCl-Ag-Ag 2cO 3composite photo-catalyst, is characterized in that described AgCl-Ag-Ag 2cO 3composite photo-catalyst is by AgCl, Ag and Ag 2cO 3tri compound forms, and wherein AgCl mass fraction is that 30-60%, Ag mass fraction are 5-15% and Ag 2cO 3mass fraction is 25-65%.
2. visible light-responded AgCl-Ag-Ag as claimed in claim 1 2cO 3composite photo-catalyst, is characterized in that described catalyst prepared by following steps: get thermal water and stir in there-necked flask, then in above-mentioned solution, slowly add AgNO 3solution, dropwises rear continuation and stirs 1～2 hour, finally by the product of gained through deionized water centrifuge washing, then obtain after drying described AgCl-Ag-Ag 2cO 3composite photo-catalyst.
3. visible light-responded AgCl-Ag-Ag as claimed in claim 2 2cO 3composite photo-catalyst, is characterized in that described thermal water is for containing Cl -and HCO 3 -the thermal water of ion.
4. visible light-responded AgCl-Ag-Ag as claimed in claim 3 2cO 3composite photo-catalyst, is characterized in that described thermal water is The Hot Spring at Mt．Changbai water or Yunnan Re Hai thermal water.
5. visible light-responded AgCl-Ag-Ag as claimed in claim 2 2cO 3composite photo-catalyst, is characterized in that described AgNO 3solution concentration is 0.01-0.1 mol/L, AgNO 3the volume ratio of solution and thermal water is 1:1-1:10.
6. a visible light-responded AgCl-Ag-Ag 2cO 3the preparation method of composite photo-catalyst, is characterized in that said method comprising the steps of: get thermal water and stir in there-necked flask, then in above-mentioned solution, slowly add AgNO 3solution, dropwises rear continuation and stirs 1～2 hour, finally by the product of gained through deionized water centrifuge washing, then obtain after drying described AgCl-Ag-Ag 2cO 3composite photo-catalyst.
7. visible light-responded AgCl-Ag-Ag as claimed in claim 6 2cO 3the preparation method of composite photo-catalyst, is characterized in that described thermal water is for containing Cl -and HCO 3 -the thermal water of ion.
8. visible light-responded AgCl-Ag-Ag as claimed in claim 7 2cO 3the preparation method of composite photo-catalyst, is characterized in that described thermal water is The Hot Spring at Mt．Changbai water or Yunnan Re Hai thermal water.
9. visible light-responded AgCl-Ag-Ag as claimed in claim 6 2cO 3the preparation method of composite photo-catalyst, is characterized in that described AgNO 3solution concentration is 0.01-0.1 mol/L, AgNO 3the volume ratio of solution and thermal water is 1:1-1:10.
10. a visible light-responded AgCl-Ag-Ag 2cO 3the application of composite photo-catalyst, is characterized in that AgCl-Ag-Ag claimed in claim 1 2cO 30.01 gram, composite photo-catalyst powder is dispersed in the 10 mg/litre methylene blue solutions of 20 milliliters, photocatalytic degradation methylene blue under radiation of visible light; Light source used is 300W xenon lamp, and is furnished with 400nm optical filter.
CN201310553476.3A 2013-11-08 2013-11-08 Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof Pending CN103586061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310553476.3A CN103586061A (en) 2013-11-08 2013-11-08 Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310553476.3A CN103586061A (en) 2013-11-08 2013-11-08 Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN103586061A true CN103586061A (en) 2014-02-19

Family

ID=50076500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310553476.3A Pending CN103586061A (en) 2013-11-08 2013-11-08 Visible light response AgCl-Ag-Ag2CO3 composite photocatalyst, and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN103586061A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106881130A (en) * 2017-03-30 2017-06-23 常州大学 A kind of silver carbonate loads the preparation method of cobalt carbonate/silver chlorate photochemical catalyst
CN107051564A (en) * 2017-03-30 2017-08-18 常州大学 A kind of preparation method of the silver-colored photochemical catalyst of silver carbonate compound phosphoric acid
CN107051563A (en) * 2017-03-30 2017-08-18 常州大学 A kind of silver carbonate is combined the preparation method of cobalt carbonate photochemical catalyst

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009154061A (en) * 2007-12-25 2009-07-16 Asaka Riken:Kk Photocatalyst solution having improved microbial resistance
CN101940937A (en) * 2010-10-21 2011-01-12 武汉理工大学 High-efficiency visible light catalyst silver phosphate and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009154061A (en) * 2007-12-25 2009-07-16 Asaka Riken:Kk Photocatalyst solution having improved microbial resistance
CN101940937A (en) * 2010-10-21 2011-01-12 武汉理工大学 High-efficiency visible light catalyst silver phosphate and preparation method thereof

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
QING ZHU,ET AL: ""Facile Synthesis of the Novel Ag3VO4/AgBr/Ag Plasmonic Photocatalyst with Enhanced Photocatalytic Activity and Stability"", 《THE JOURNAL OF PHYSICAL CHEMISTRY C》, vol. 117, no. 11, 12 March 2013 (2013-03-12) *
徐秀泉: ""新型光催化剂降解盐酸莫西沙星及活病原微生物研究"", 《中国博士学位论文全文数据库工程科技I辑》, no. 07, 15 July 2013 (2013-07-15), pages 52 - 58 *
汪集旸等: "《神奇的地热》", 31 January 2001, article ""温泉水的化学成分"", pages: 74-75 *
王韵芳，等: ""Ag@AgCl/Ag3PO4的可见光光催化性能及机理研究"", 《人工晶体学报》, vol. 41, no. 5, 31 October 2010 (2010-10-31) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106881130A (en) * 2017-03-30 2017-06-23 常州大学 A kind of silver carbonate loads the preparation method of cobalt carbonate/silver chlorate photochemical catalyst
CN107051564A (en) * 2017-03-30 2017-08-18 常州大学 A kind of preparation method of the silver-colored photochemical catalyst of silver carbonate compound phosphoric acid
CN107051563A (en) * 2017-03-30 2017-08-18 常州大学 A kind of silver carbonate is combined the preparation method of cobalt carbonate photochemical catalyst

Similar Documents

Publication Publication Date Title
Lai et al. Facile synthesis of CeO2/carbonate doped Bi2O2CO3 Z-scheme heterojunction for improved visible-light photocatalytic performance: Photodegradation of tetracycline and photocatalytic mechanism
Xue et al. Efficient degradation of atrazine by BiOBr/UiO-66 composite photocatalyst under visible light irradiation: Environmental factors, mechanisms and degradation pathways
Tang et al. One-dimensional core-shell Zn0. 1Cd0. 9S/Snln4S8 heterojunction for enhanced visible light photocatalytic degradation
Lotfi et al. Recent progress on the synthesis, morphology and photocatalytic dye degradation of BiVO4 photocatalysts: A review
CN105597764B (en) A kind of preparation method of carbon quantum dot/zinc ferrite composite photocatalyst material
CN102151577B (en) Ag3PO4/Mg-Al LDO (Layered Double Oxide) visible light composite photo catalyst, preparation and application thereof
Senthil et al. A facile synthesis of nano AgBr attached potato-like Ag2MoO4 composite as highly visible-light active photocatalyst for purification of industrial waste-water
Zhu et al. Fabrication of 3D Bi5O7I/BiOIO3 heterojunction material with enhanced photocatalytic activity towards tetracycline antibiotics
Jiang et al. Preparation of magnetically retrievable flower-like AgBr/BiOBr/NiFe2O4 direct Z-scheme heterojunction photocatalyst with enhanced visible-light photoactivity
CN102698775A (en) BiOI-graphene visible light catalyst and preparation method thereof
CN109395761B (en) Nitrogen-doped BiOIO3Preparation method and application of photocatalyst
CN104128184A (en) Floating type CoFe2O4/TiO2/floating bead composite photocatalyst and preparation method thereof
Ma et al. Self-assembled micro-flowers of ultrathin Au/BiOCOOH nanosheets photocatalytic degradation of tetracycline hydrochloride and reduction of CO2
Zhong et al. Preparation of a novel composite photocatalyst BiOBr/ZIF-67 for enhanced visible-light photocatalytic degradation of RhB
CN103861621B (en) A kind of Bi 7o 9i 3/ Graphene composite visible light catalyst and preparation method thereof
Sun et al. Self-assembled spherical In2O3/BiOI heterojunctions for enhanced photocatalytic CO2 reduction activity
Gao et al. A review on mechanism, applications and influencing factors of carbon quantum dots based photocatalysis
Yang et al. A novel flower-like Z-type heterojunction CuS/Bi 7 O 9 I 3 composite catalyst prepared under mild conditions for degradation of antibiotics and sterilization under visible light
CN103506142A (en) Molybdenum disulfide/silver phosphate composite visible light photocatalytic material and preparation method thereof
CN104941662A (en) Preparation method of Ag/BFeO3 compound photocatalyst
CN112108150A (en) Based on magnetic Fe3O4Modified corncob biomass carbon dot composite Bi2WO6Preparation method and application of photocatalyst
Zhang et al. Novel La3+/Sm3+ co-doped Bi5O7I with efficient visible-light photocatalytic activity for advanced treatment of wastewater: Internal mechanism, TC degradation pathway, and toxicity analysis
CN105148964A (en) Three-dimensional reduced graphene oxide-Mn3O4/MnCO3 nanocomposite and preparation method thereof
CN110624566A (en) CuInS2Preparation method and application of quantum dot/NiAl-LDH composite photocatalyst
Liu et al. The improved spatial charge separation and antibiotic removal performance on Z-scheme Zn-Fe2O3/ZnIn2S4 architectures

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140219