CN104624211A - Preparation method of complex photocatalyst responsive to visible light and application of complex photocatalyst - Google Patents
Preparation method of complex photocatalyst responsive to visible light and application of complex photocatalyst Download PDFInfo
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Abstract
The invention belongs to the technical field of photocatalysts and provides a preparation method of a complex photocatalyst responsive to visible light and application of the complex photocatalyst. The preparation method of the degraded rhodamine B photocatalyst responsive to visible light with a multi-walled carbon nanotube as a carrier comprises the following steps: firstly preparing colloidal silver phosphate by using silver salt and phosphate; and then by using the multi-walled carbon nanotube as the carrier, preparing a photocatalyst responsive to visible light by using a deposition-precipitation method. The catalyst prepared according to the method can be used for degrading RhB dye in aqueous solution and has the characteristics of simple operation and high degradation rate.
Description
Technical field
The invention belongs to photocatalyst technology field, relate to a kind of preparation method and application thereof of visible light-responded composite photo-catalyst, particularly one by multi-walled carbon nano-tubes (MWCNT) as the preparation method of the photochemical catalyst of the visible-light response type rhodamine B degradation of carrier and application thereof.
Background technology
In recent decades, the fast development of society makes the living standard of people be greatly improved and improve, but incident problem of environmental pollution has also badly influenced the environment that people depend on for existence.In in the past 40 years, photocatalysis degradation organic contaminant causes people and more and more pays close attention to, and is considered to one of a kind of effective and practical mode alleviating problem of environmental pollution.The traditional photochemical catalyst of major part can only absorb ultraviolet, such as titanium dioxide, strontium titanates etc.But ultraviolet only accounts for 4% of whole solar spectral, and visible ray accounts for 43%.This only has the sunshine of the ultraviolet light content of 4% totally unfavorable for utilization.Therefore find visible light-responded catalyst, development has visible light-responded photochemical catalyst efficiently and the organic pollution made full use of in solar radiation photocatalytic degradation water becomes the research emphasis of photocatalysis field.
In order to solve problems, people design and have prepared the visible light-responded catalyst of various new.Wherein major part all has visible absorption performance containing silver oxide, receives the extensive concern of people in recent years.Valence band containing silver oxide is made up of the hybridized orbit of Ag 3d and O 2p often, and this makes the valence band containing silver oxide is moved and higher than the valence band of normal oxidation thing semiconductor.Therefore, many silver oxides that contains can absorb visible ray, and have been widely used in photocatalysis Decomposition organic pollution.In recent years, Ag
3pO
4be found to be a kind of novel visible light catalyst, it presents excellent performance in visible photocatalysis water and dye degrades, its photocatalysis efficiency decades of times more taller than efficient visible light catalyst known today.
New Chemical Materials, 2014,42 (5): 108-110, report to adopt two-step method to prepare silver phosphate photocatalyst and decline for visible ray and separate methyl orange.Result shows, two step synthesis silver orthophosphate photocatalysis performance is better than step precipitation method, and 10 min methyl orange degradation rates can reach 98%.Silver orthophosphate photo-catalytic degradation of methyl-orange optimum condition is: catalytic amount is 2.5 g/L, reaction time 10 min, light intensity 16 Klux.But the silver orthophosphate that this experiment obtains easily is reduced into elemental silver in photocatalytic process, causes photocatalysis efficiency to reduce.
Silicate journal, 2013,41 (10): 1354-1365, report Ag
3pO
4owing to having the ability of high quantum efficiency, strong photooxidation ability and high efficiency photocatalysis degradable organic pollutant.From aspect summary Ag such as preparation method, pattern control and photocatalytic activities
3pO
4the research advance and status quo of base optic catalytic material, to Ag
3pO
4base optic catalytic material problems faced is discussed, and proposes corresponding suggestion to the future thrust of such catalysis material.
Chemical research, 2012,23 (5), 61-65, the silver orthophosphate efficient visible light catalyst that the report tri-iron tetroxide that utilized the precipitation method to prepare is coated with photocatalytic degradation methylene blue (MB) for probe reaction, the visible light catalytic performance of catalyst to be investigated. result shows, Fe
3o
4load capacity is 2%(mass fraction) composite catalyst almost 100% is reached when 60 min to the degradation rate of MB; But along with Fe
3o
4the increase of load capacity, the photocatalytic activity of catalyst declines to some extent.
Chemical progress, 2010,22 (5), 868-875, report the preparation TiO progressively set up in recent years
2the method of/CNT, has highlighted mixing method, chemical vapour deposition technique, method of electrostatic spinning, sol-gel process, hydro-thermal solvent-thermal method etc. several than major method.And with TiO
2/ CNT is emphasis in the application study of photocatalysis field, and labor CNT is at promotion TiO
2photo-generate electron-hole is separated, strengthen the synergy of the aspects such as visible absorption.There are one or more deficiencies in existing preparation method, causes TiO
2and the feature of CNT and cooperative effect can not get maximum performance; The TiO that different preparation method obtains
2/ CNT pattern, performance are all different.
Summary of the invention
For the problems referred to above, the invention provides a kind of preparation method of visible light-responded composite photo-catalyst.
One object of the present invention, disclose the preparation method of the photochemical catalyst of rhodamine B in visible light-responded degradation water solution, first obtain gluey silver orthophosphate by silver salt and phosphate, again with multi-walled carbon nano-tubes (MWCNT) for carrier, prepare visible light-responded photochemical catalyst by deposition-precipitation; Then the RhB dyestuff thus in the catalyst degradation aqueous solution.
Technical scheme of the present invention: a kind of visible light-responded composite photo-catalyst preparation method, comprises the steps:
Under A, normal temperature, add phosphate and silver salt successively in deionized water, mix and blend 0.5-5 h, obtain gluey silver orthophosphate system;
Add multi-walled carbon nano-tubes in B, the gluey silver orthophosphate system that obtains to steps A, at room temperature stir 0.5 ~ 10h;
C, the product that obtained by step B filter, washing and at 20 ~ 100 DEG C dry 1 ~ 24 h dewater.
Wherein in steps A, described phosphate is dipotassium hydrogen phosphate, potassium dihydrogen phosphate, sodium hydrogen phosphate, sodium dihydrogen phosphate or ammonium phosphate, and described silver salt is silver sulfate, silver nitrate or silver acetate; In described deionized water, phosphatic concentration is 24 ~ 71.6g/L, and the consumption of described silver salt is 10 ~ 300% of phosphate quality;
Wherein in steps A, described phosphate preferably phosphoric acid disodium hydrogen, the preferred silver nitrate of silver salt, the consumption of described silver salt is preferably 47.5% of phosphate quality.
Wherein in steps A, described mixing time is 1h.
In step B, the tube wall diameter of described multi-walled carbon nano-tubes is 5 ~ 200 nm, and its consumption is 5 ~ 200% of described phosphate quality;
In step B, the tube wall diameter of described multi-walled carbon nano-tubes is 30 nm, and its consumption is 40% of described phosphate quality.
In step B, described mixing time is 3h.
Baking temperature described in step C is 70 DEG C, and drying time is 12 h.
By the photochemical catalyst of preparation of the present invention, be applied to the degraded of rhdamine B in the aqueous solution (RhB).According to the photochemical catalyst that said method prepares, the RhB of the photocatalytic degradation aqueous solution under visible light conditions.
In the certain density rhodamine B aqueous solution of 100mL, add photochemical catalyst, at dark place absorption certain hour to guarantee to reach balance.Regulate pH value of solution to be 2 ~ 10 with HCl or NaOH, in visible light catalytic reactor, light at room temperature catalytic degradation 10 ~ 180 min, sampling, centrifugation, gets its clear liquid, adopts UV-spectrophotometry to detect the concentration of RhB solution.Its degradation rate (R) calculates by following formula (1):
R(%)=(C
0-C
t)*100%/C
0 (1)
Wherein,
c 0 with
c t concentration respectively in solution before and after RhB degraded.
In degradation experiment, the volume ratio of used photocatalysis agent quality and rhodamine B solution is 0.1 ~ 10g/L, preferably 1 g/L;
RhB concentration of aqueous solution used can be 1 ~ 100 mg/L, preferably 10 mg/L;
Adsorption time 10 ~ 150 min, preferably 30 min;
Regulating pH value of solution can be 2 ~ 10, preferred pH with HCl or NaOH be 7;
Photocatalytic degradation time 10 ~ 180 min, preferably 20 min.
Dipotassium hydrogen phosphate, potassium dihydrogen phosphate, sodium hydrogen phosphate, sodium dihydrogen phosphate, ammonium phosphate, hydrochloric acid and NaOH that the present invention is used, Chemical Reagent Co., Ltd., Sinopharm Group; Silver sulfate, silver acetate, silver nitrate, Aladdin reagent Co., Ltd.
Beneficial effect of the present invention is:
The present invention obtains gluey silver orthophosphate by the concentration controlling phosphate and silver salt in reactant liquor, then adds multi-wall carbon nano-tube, prepares visible light-responded photochemical catalyst by deposition-precipitation.The present invention is by obtained visible light-responded photochemical catalyst, and degrade using rhodamine B as degraded object, experimental result shows this catalyst and has good degradation effect.Apply the rhdamine B in this photocatalyst treatment water, there is simple to operate, that degradation rate is high feature, there is in organic dye pollutant of degrading under visible light conditions very large development & application prospect.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail, but the present invention is not limited to following instance.
embodiment 1
Under normal temperature, in there-necked flask, add the sodium dihydrogen phosphate of 2.4 g and the mixed liquor of 240mg silver sulfate formation 100mL successively, and uniform stirring 0.5 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 120 mg diameters are 5 nm, at room temperature stir 0.5h; After completion of the reaction products therefrom is filtered, washing and at 20 DEG C dry 1h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-1).
In the rhodamine B aqueous solution of the 1mg/L of 100mL, add the photochemical catalyst of 10 mg.At dark place absorption 10 min, to reach balance.Regulate solution to be 2 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 10 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 8.6 %.
embodiment 2
Under normal temperature, in there-necked flask, add the potassium dihydrogen phosphate of 2.7 g and the mixed liquor of 500 mg silver acetates formation 100mL successively, and uniform stirring 1 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 3g diameter is 50 nm, at room temperature stir 1h; After completion of the reaction products therefrom is filtered, washing and at 30 DEG C dry 2h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-2).
In the rhodamine B aqueous solution of the 5mg/L of 100mL, add the photochemical catalyst of 20 mg.At dark place absorption 20 min, to reach balance.Regulate solution to be 3 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 20 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 11.5 %.
embodiment 3
Under normal temperature, in there-necked flask, add the sodium dihydrogen phosphate of 7.16 g and the mixed liquor of 1 g silver acetate formation 100mL successively, and uniform stirring 1.5 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 250 mg diameters are 20 nm, at room temperature stir 2h; After completion of the reaction products therefrom is filtered, washing and at 40 DEG C dry 3h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-3).
In the rhodamine B aqueous solution of the 10mg/L of 100mL, add the photochemical catalyst of 30 mg.At dark place absorption 25 min, to reach balance.Regulate solution to be 4 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 30 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 53.5 %.
embodiment 4
Under normal temperature, in there-necked flask, add the sodium dihydrogen phosphate of 7.16 g and the mixed liquor of 1.5 g silver sulfates formation 100mL successively, and uniform stirring 2 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 4 g diameters are 30 nm, at room temperature stir 3h; After completion of the reaction products therefrom is filtered, washing and at 50 DEG C dry 4h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-4).
In the rhodamine B aqueous solution of the 20mg/L of 100mL, add the photochemical catalyst of 40 mg.At dark place absorption 30 min, to reach balance.Regulate solution to be 5 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 40 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 75.6 %.
embodiment 5
Under normal temperature, in there-necked flask, add the dipotassium hydrogen phosphate of 4.56 g and the mixed liquor of 1.5 g silver acetates formation 100mL successively, and uniform stirring 3 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 5 g diameters are 100 nm, at room temperature stir 5h; After completion of the reaction products therefrom is filtered, washing and at 60 DEG C dry 10h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-5).
In the rhodamine B aqueous solution of the 30mg/L of 100mL, add the photochemical catalyst of 50 mg.At dark place absorption 40 min, to reach balance.Regulate solution to be 6 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 50 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 82.3 %.
embodiment 6
Under normal temperature, in there-necked flask, add the dipotassium hydrogen phosphate of 4.56 g and the mixed liquor of 2 g silver sulfates formation 100mL successively, and uniform stirring 4 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 8 g diameters are 100 nm, at room temperature stir 6h; After completion of the reaction products therefrom is filtered, washing and at 70 DEG C dry 12h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-6).
In the rhodamine B aqueous solution of the 40mg/L of 100mL, add the photochemical catalyst of 60 mg.At dark place absorption 50 min, to reach balance.Regulate solution to be 7 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 60 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 88.4 %.
embodiment 7
Under normal temperature, in there-necked flask, add the sodium hydrogen phosphate of 7.16 g and the mixed liquor of 3.4g silver nitrate formation 100mL successively, and uniform stirring 1 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 2.86 g diameters are 30 nm, at room temperature stir 3h; After completion of the reaction products therefrom is filtered, washing and at 70 DEG C dry 12h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-7).
In the rhodamine B aqueous solution of the 10mg/L of 100mL, add the photochemical catalyst of 100 mg.At dark place absorption 30 min, to reach balance.Regulate solution to be 7 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 20 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 99.8 %.
embodiment 8
Under normal temperature, in there-necked flask, add the sodium hydrogen phosphate of 7.16 g and the mixed liquor of 21.48 g silver acetates formation 100mL successively, and uniform stirring 5 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 14.32 g diameters are 200 nm, at room temperature stir 3h; After completion of the reaction products therefrom is filtered, washing and at 100 DEG C dry 24h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-8).
In the rhodamine B aqueous solution of the 100mg/L of 100mL, add the photochemical catalyst of 1000 mg.At dark place absorption 150 min, to reach balance.Regulate solution to be 10 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 180 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 62.8 %.
embodiment 9
Under normal temperature, in there-necked flask, add the sodium hydrogen phosphate of 7.16 g and the mixed liquor of 1.50 g silver acetates formation 100mL successively, and uniform stirring 5 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 10 g diameters are 100 nm, at room temperature stir 10h; After completion of the reaction products therefrom is filtered, washing and at 80 DEG C dry 12h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-9).
In the rhodamine B aqueous solution of the 80mg/L of 100mL, add the photochemical catalyst of 100 mg.At dark place absorption 30 min, to reach balance.Regulate solution to be 8 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 30 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 92.4 %.
embodiment 10
Under normal temperature, in there-necked flask, add the dipotassium hydrogen phosphate of 4.56 g and the mixed liquor of 2 g silver sulfates formation 100mL successively, and uniform stirring 3 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 6 g diameters are 150 nm, at room temperature stir 8h; After completion of the reaction products therefrom is filtered, washing and at 90 DEG C dry 15h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-10).
In the rhodamine B aqueous solution of the 90mg/L of 100mL, add the photochemical catalyst of 150 mg.At dark place absorption 40 min, to reach balance.Regulate solution to be 10 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 80 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 78.4 %.
embodiment 11
Under normal temperature, in there-necked flask, add the ammonium phosphate of 4.06 g and the mixed liquor of 1.50 g silver acetates formation 100mL successively, and uniform stirring 3 h; In above-mentioned system, add the multi-walled carbon nano-tubes that 800 mg diameters are 200 nm, at room temperature stir 5h; After completion of the reaction products therefrom is filtered, washing and at 60 DEG C dry 10h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-11).
In the rhodamine B aqueous solution of the 60mg/L of 100mL, add the photochemical catalyst of 150 mg.At dark place absorption 40 min, to reach balance.Regulate solution to be 7 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 100 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 65.3 %.
embodiment 12
In order to compare, do not add multi-walled carbon nano-tubes in the implementation case, be blank assay, step is as follows:
Under normal temperature, in there-necked flask, add the sodium hydrogen phosphate of 7.16 g and the mixed liquor of 3.4g silver nitrate formation 100mL successively, and uniform stirring 1 h; After completion of the reaction products therefrom is filtered, washing and at 70 DEG C dry 12h, obtained visible light-responded photochemical catalyst (CAP/MWCNT-12).
In the rhodamine B aqueous solution of the 10mg/L of 100mL, add the photochemical catalyst of 100 mg.At dark place absorption 30 min, to reach balance.Regulate solution to be 7 to pH with HCl or NaOH, in visible light catalytic reactor, room temperature is degraded 20 min, sampling, centrifugation.Get its clear liquid, adopt UV-spectrophotometry to detect the concentration of RhB solution, the degradation rate recording RhB is 52.8 %.
Result shows, the carbon multi-wall nano tube loaded silver phosphate composite photocatalyst prepared by deposition-precipitation has good Photocatalytic Degradation Property under visible light.Can 99.8% be reached in 20 min to the 10mg/L rhodamine B solution degradation rate of 100mL.So visible light catalyst prepared by the present invention is degraded in organic dye pollutant and is had very large development & application prospect under visible light conditions.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or the conversion of equivalent flow process, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a visible light-responded composite photo-catalyst preparation method, is characterized in that: comprise the steps:
Under A, normal temperature, add phosphate and silver salt successively in deionized water, mix and blend 0.5-5h, obtain gluey silver orthophosphate system;
Add multi-walled carbon nano-tubes in B, the gluey silver orthophosphate system that obtains to steps A, at room temperature stir 0.5 ~ 10h;
C, the product obtained by step B, filter, washing, and at 20 ~ 100 DEG C, dry 1 ~ 24 h dewaters.
2. preparation method according to claim 1, is characterized in that, in steps A, described phosphate is dipotassium hydrogen phosphate, potassium dihydrogen phosphate, sodium hydrogen phosphate, sodium dihydrogen phosphate or ammonium phosphate; Described silver salt is silver sulfate, silver nitrate or silver acetate; In described deionized water, phosphatic concentration is 24 ~ 71.6g/L, and the consumption of described silver salt is 10 ~ 300% of phosphate quality.
3. preparation method according to claim 1 and 2, is characterized in that, in steps A, described phosphate is sodium hydrogen phosphate, and described silver salt is silver nitrate, and the consumption of described silver salt is 47.5% of phosphate quality.
4. preparation method according to claim 1, is characterized in that, in steps A, the described mix and blend time is 1h.
5. preparation method according to claim 1, is characterized in that, in step B, the tube wall diameter of described multi-walled carbon nano-tubes is 5 ~ 200 nm, and its consumption is 5 ~ 200% of described phosphate quality.
6. preparation method according to claim 1 or 5, it is characterized in that, in step B, the tube wall diameter of described multi-walled carbon nano-tubes is 30 nm, and its consumption is 40% of described phosphate quality.
7. preparation method according to claim 1, is characterized in that, in step B, described mixing time is 3h.
8. preparation method according to claim 1, is characterized in that, in step C, described baking temperature is 70 DEG C, and drying time is 12h.
9. the visible light-responded composite photo-catalyst that method prepares according to aforementioned arbitrary claim.
10. composite photo-catalyst according to claim 9, is characterized in that, it is applied under visible light conditions the photocatalytic degradation of the RhB in the aqueous solution.
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Cited By (6)
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| CN105396619A (en) * | 2015-12-11 | 2016-03-16 | 华南理工大学 | MIL-100(Fe) silver phosphate composite photocatalyst, preparation and applications |
| CN106732790A (en) * | 2016-12-02 | 2017-05-31 | 东华大学 | A kind of fiber/CNT/Ag3PO4 three-dimensional recyclable efficient catalytic material and its preparation and application |
| CN106807414A (en) * | 2017-01-06 | 2017-06-09 | 华南理工大学 | A kind of silver orthophosphate/bromination silver/carbon nanotube composite photo-catalyst and preparation and application |
| CN106944107A (en) * | 2017-03-30 | 2017-07-14 | 常州大学 | A kind of preparation method of silver phosphate photocatalyst film |
| CN107029777A (en) * | 2017-05-26 | 2017-08-11 | 长沙学院 | Composite visible light catalyst and its preparation method and application |
| CN108906093A (en) * | 2018-06-07 | 2018-11-30 | 湖南大学 | A kind of preparation method using carbon nanotube control silver orthophosphate crystal particle diameter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396619A (en) * | 2015-12-11 | 2016-03-16 | 华南理工大学 | MIL-100(Fe) silver phosphate composite photocatalyst, preparation and applications |
| CN106732790A (en) * | 2016-12-02 | 2017-05-31 | 东华大学 | A kind of fiber/CNT/Ag3PO4 three-dimensional recyclable efficient catalytic material and its preparation and application |
| CN106807414A (en) * | 2017-01-06 | 2017-06-09 | 华南理工大学 | A kind of silver orthophosphate/bromination silver/carbon nanotube composite photo-catalyst and preparation and application |
| CN106944107A (en) * | 2017-03-30 | 2017-07-14 | 常州大学 | A kind of preparation method of silver phosphate photocatalyst film |
| CN107029777A (en) * | 2017-05-26 | 2017-08-11 | 长沙学院 | Composite visible light catalyst and its preparation method and application |
| CN107029777B (en) * | 2017-05-26 | 2019-05-14 | 长沙学院 | Composite visible light catalyst and its preparation method and application |
| CN108906093A (en) * | 2018-06-07 | 2018-11-30 | 湖南大学 | A kind of preparation method using carbon nanotube control silver orthophosphate crystal particle diameter |
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