CN103466584A - Method for preparing silver phosphate nanometer material by solid phase chemical reaction - Google Patents
Method for preparing silver phosphate nanometer material by solid phase chemical reaction Download PDFInfo
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- CN103466584A CN103466584A CN2013104438631A CN201310443863A CN103466584A CN 103466584 A CN103466584 A CN 103466584A CN 2013104438631 A CN2013104438631 A CN 2013104438631A CN 201310443863 A CN201310443863 A CN 201310443863A CN 103466584 A CN103466584 A CN 103466584A
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- nanometer material
- silver phosphate
- chemical reaction
- phosphate nanometer
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Abstract
The invention aims at providing a preparation method of a silver phosphate nanometer material. In the method, by employing cheap raw materials and a simple operation method, the silver phosphate nanometer material is synthesized by using a solid phase chemical reaction. Silver nitrate and a phosphate are taken as reactants and grinded at room temperature, and subsequently washed for synthesis of the silver phosphate nanometer material. According to the method of the invention, based on the solid-phase chemical reaction, the silver phosphate nanometer material can be prepared by employing the cheap raw materials and performing simple grinding and washing. The method provided by the invention has the characteristics of being simple, high in product yield, environment friendly, easy in realization of batch production, and the like, and thus the method has extremely wide application prospect.
Description
Technical field
The present invention relates to a kind of method for preparing the Trisilver phosphate nano material by solid state reaction.
Background technology
2010, " nature " magazine was reported a kind of visible-light photocatalyst-Trisilver phosphate (Ag with strong oxidizing property
3pO
4).This Novel phosphoric acid silver photocatalyst can absorbing wavelength be less than the sunlight of 520nm, quantum yield under visible ray is up to 90%, and shown powerful oxidation capacity under radiation of visible light, in multiple degradation of organic dyes experiment, showed extremely superior photocatalytic activity.
Trisilver phosphate is yellow solid, consists of the solubility product K in the aqueous solution silver ions and phosphate anion
spbe 1.4 * 10
-16, can utilize the precipitin reaction of Silver Nitrate and phosphate radical, phosphate anion is carried out quantitatively and qualitative analysis.Trisilver phosphate is cubic, and space group is P-43n (218), lattice parameter a=b=c=6.013, and indirectly energy gap is 2.36eV, direct band gap is 2.43eV, can absorbing wavelength be less than UV-light and the visible ray of 525nm.Energy gap meets the energy thermodynamics standard of water decomposition reaction, and has showed very strong photocatalysis performance in to organic degradation processes such as dyestuffs under visible ray.The light-catalysed research of Trisilver phosphate is a brand-new problem, has larger development prospect.
At present, the synthetic method of Trisilver phosphate mainly contains and adopts oleyl amine to make tensio-active agent, synthetic in toluene solvant, ion exchange method, and in situ Precipitation etc., these method building-up process complexity, cost is high, the material poor heat stability.Therefore, select a kind of simple preparation method, prepare high performance Trisilver phosphate photocatalyst tool and be of great significance.The solid state chemistry synthesis method is not used solvent, has highly selective, high yield, simple technological process and other advantages, has become a kind of important method of nano materials.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of Trisilver phosphate nano material, the method, by using cheap raw material, adopts the simple operation method, through solid state reaction, can synthesize the Trisilver phosphate nano material.
The present invention uses Silver Nitrate and phosphoric acid salt as reactant, at room temperature by grinding the synthetic Trisilver phosphate nano material that obtains.
Phosphoric acid salt of the present invention is ammonium phosphate, sodium phosphate, one or more of potassiumphosphate.
Compared with prior art, the present invention has the following advantages: take solid state reaction as basis, adopt raw material cheap and easy to get, by simple grinding, then, through washing, can make the Trisilver phosphate nano material.The preparation method is simple, and product yield is high, and environmental friendliness is easy to realize that the characteristics such as production in enormous quantities all make the present invention have very wide application prospect.
The accompanying drawing explanation
The powder diagram that Fig. 1 is prepared sample.
The projection Electronic Speculum figure that Fig. 2 is prepared Trisilver phosphate.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.These embodiment are interpreted as only for the present invention is described, is not used in and limits the scope of the invention.After the content of having read the present invention's record, the various changes of the present invention being made based on principle of the present invention or modification fall into the claims in the present invention book limited range equally.
Embodiment mono-:
Accurately weighing 0.03 mol Silver Nitrate and 0.015 mol ammonium phosphate are in different mortars, porphyrize mixing, grind after mixing, fast along with the carrying out of grinding respectively, mixture becomes the powder of yellow thin shape, continues to grind 30 min and guarantees fully carrying out of reaction.By the gained sample, through deionized water wash, drying at room temperature, can obtain the Trisilver phosphate nano material.
Embodiment bis-:
Accurately weighing 0.03 mol Silver Nitrate and 0.02 mol sodium phosphate are in different mortars, porphyrize mixing, grind after mixing, fast along with the carrying out of grinding respectively, mixture becomes the powder of yellow thin shape, continues to grind 30 min and guarantees fully carrying out of reaction.By the gained sample, through deionized water wash, drying at room temperature, can obtain the Trisilver phosphate nano material.
Embodiment tri-:
Accurately weighing 0.03 mol Silver Nitrate and 0.015 mol potassiumphosphate are in different mortars, porphyrize mixing, grind after mixing, fast along with the carrying out of grinding respectively, mixture becomes the powder of yellow thin shape, continues to grind 30 min and guarantees fully carrying out of reaction.By the gained sample, through deionized water wash, drying at room temperature, can obtain the Trisilver phosphate nano material.
Claims (3)
1. a solid state reaction prepares the method for Trisilver phosphate nano material, and it comprises the following steps: Silver Nitrate is mixed with phosphoric acid salt, carry out washing sample after griding reaction, obtain the Trisilver phosphate nano material.
2. prepare the method for Trisilver phosphate nano material according to the described a kind of solid state reaction of claim 1, it is characterized in that: Silver Nitrate and phosphatic ratio are 3:1 ~ 2; The time of griding reaction is 20 ~ 40 minutes; Use deionized water to be washed.
3. prepare the method for Trisilver phosphate nano material according to the described a kind of solid state reaction of claim 1, it is characterized in that: the phosphoric acid salt used is ammonium phosphate, sodium phosphate, one or more of potassiumphosphate.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001604A (en) * | 2016-06-30 | 2016-10-12 | 曲阜师范大学 | Method for synthesizing silver nanoparticles with silica gel loaded polyethyleneimine as template |
| CN106179432A (en) * | 2016-08-03 | 2016-12-07 | 苏州美纳福健康科技有限公司 | A kind of preparation method of nano silver photocatalyst |
| CN106540723A (en) * | 2016-10-19 | 2017-03-29 | 常州大学 | A kind of preparation method of D2EHDTPA silver catalyst |
| CN107260005A (en) * | 2017-08-09 | 2017-10-20 | 泾县信达工贸有限公司 | A kind of resistant electric cooker lid |
| CN107319948A (en) * | 2017-08-09 | 2017-11-07 | 泾县信达工贸有限公司 | It is a kind of not glue nontoxic inner container of electric cooker coating |
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2013
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| CN103263937A (en) * | 2013-06-17 | 2013-08-28 | 南京信息工程大学 | Method for preparing tetrahedral silver phosphate photocatalyst |
| CN103272623A (en) * | 2013-06-20 | 2013-09-04 | 南京信息工程大学 | Preparation method of cubic silver phosphate photocatalyst |
| CN103301861A (en) * | 2013-06-29 | 2013-09-18 | 上海荣富新型材料有限公司 | Preparation method of trace silver phosphate sensitized titanium dioxide photocatalyst |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001604A (en) * | 2016-06-30 | 2016-10-12 | 曲阜师范大学 | Method for synthesizing silver nanoparticles with silica gel loaded polyethyleneimine as template |
| CN106179432A (en) * | 2016-08-03 | 2016-12-07 | 苏州美纳福健康科技有限公司 | A kind of preparation method of nano silver photocatalyst |
| CN106179432B (en) * | 2016-08-03 | 2019-01-01 | 苏州美纳福健康科技有限公司 | A kind of preparation method of nano silver photochemical catalyst |
| CN106540723A (en) * | 2016-10-19 | 2017-03-29 | 常州大学 | A kind of preparation method of D2EHDTPA silver catalyst |
| CN106540723B (en) * | 2016-10-19 | 2019-01-29 | 常州大学 | A kind of preparation method of thiophosphoric acid silver catalyst |
| CN107260005A (en) * | 2017-08-09 | 2017-10-20 | 泾县信达工贸有限公司 | A kind of resistant electric cooker lid |
| CN107319948A (en) * | 2017-08-09 | 2017-11-07 | 泾县信达工贸有限公司 | It is a kind of not glue nontoxic inner container of electric cooker coating |
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