CN108892174A - A kind of synthetic method of nanometer of bismuth tantalate - Google Patents
A kind of synthetic method of nanometer of bismuth tantalate Download PDFInfo
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- CN108892174A CN108892174A CN201810750127.3A CN201810750127A CN108892174A CN 108892174 A CN108892174 A CN 108892174A CN 201810750127 A CN201810750127 A CN 201810750127A CN 108892174 A CN108892174 A CN 108892174A
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- Prior art keywords
- bismuth
- synthetic method
- nanometer
- bismuth tantalate
- washing
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
Abstract
The present invention provides the synthetic method of a kind of nanometer of bismuth tantalate, which is characterized in that includes the following steps：N is added in tantalum pentoxide powder, in dinethylformamide, mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again after mixing evenly, bismuth salt, ammonium tartrate, hydrazine hydrate is added, reaction kettle tightens sealing, is put into 200~220 DEG C of constant temperature ovens and stands reaction 6~12 hours；Washing is dried to obtain final product bismuth tantalate nano particle.Raw material of the present invention is cheap, and synthetic method is full liquid-phase chemical reaction process, and simple process, pattern, which controls, to be stablized, and product can be used for photocatalysis field.
Description
Technical field
The invention belongs to material chemistry technical fields, are related to the synthetic method of a kind of nanometer of bismuth tantalate.
Background technique
Bismuth tantalate material has unique physicochemical properties, can be used for the fields such as piezoelectricity, ferroelectricity, optoacoustic, has to many
Machine pollutant has the activity of photocatalytic degradation, while can also be used in photolysis water hydrogen gas.Bismuth tantalate synthesis in solid state needs higher
Temperature, for carrying out broken ball milling nanosizing when catalytic field, sol-gal process can prepare the bismuth tantalate of cubic structure
(CN201510003017.7), the present invention is using solvent-thermal method for synthesizing bismuth tantalate nano material.
Summary of the invention
The purpose of the present invention is to provide the synthetic methods of a kind of nanometer of bismuth tantalate, which is characterized in that includes the following steps：
Tantalum pentoxide powder is added in n,N-Dimethylformamide, mixed liquor is moved into again have polytetrafluoroethylene (PTFE) after mixing evenly
In the hydrothermal reaction kettle of liner, bismuth salt, ammonium tartrate, hydrazine hydrate is added, reaction kettle tightens sealing, is put into 200~220 DEG C of constant temperature
Reaction 6~12 hours are stood in baking oven；Washing is dried to obtain final product bismuth tantalate nano particle.
Equivalent concentration of the tantalum pentoxide in suspension is 0.05~0.1mol/L, and the bismuth salt includes borontrifluoride
One of bismuth, bismuth trichloride, concentration is identical as tantalum pentoxide, and ammonium tartrate concentration is 0.1~0.15mol/L, and water is added
Close 1/20~1/10 that hydrazine is n,N-Dimethylformamide volume.
The washing is alternately to be washed after precipitating is obtained by filtration with deionized water and ethyl alcohol, uses centrifuge each time after washing
Precipitating or pumping and filtering device are filtered, and filtration product is dispersed in deionized water or ethyl alcohol again, are repeatedly filtered until filtrate pH
Value is 7, and for the last time with ethanol washing with convenient and dry, dry be placed in 50~70 DEG C of baking oven is dried.
Raw material of the present invention is cheap, and synthetic method is full liquid-phase chemical reaction process, simple process, pattern control stabilization, nothing
Impurity, product can be used for photocatalysis field.
The contents of the present invention and feature have revealed that as above, however the present invention that describes of front only briefly or pertains only to this
The specific part of invention, feature of the invention may be more than what content disclosed herein was related to.Therefore, protection model of the invention
The revealed content of embodiment should be not limited to by enclosing, and should include the combination of all the elements embodied in different piece, with
And it is various without departing substantially from replacement and modification of the invention, and covered by claims of the present invention.
Detailed description of the invention
Fig. 1 synthesizes nanometer bismuth tantalate scanning electron microscope pattern using (embodiment 1) of the invention.
Specific embodiment
Embodiment 1
The tantalum pentoxide powder that equivalent concentration is 0.05mol/L is added in n,N-Dimethylformamide, is stirred evenly
Mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again afterwards, addition 0.05mol/L bismuth fluoride,
0.1mol/L ammonium tartrate and hydrazine hydrate, reaction kettle tighten sealing, are put into 220 DEG C of constant temperature ovens and stand reaction 6 hours；?
It alternately washs, is filtered each time after washing using centrifuge precipitating or pumping and filtering device, mistake to precipitating deionized water and ethyl alcohol
Filter product disperse in deionized water or ethyl alcohol again, repeated filtration until filtrate pH value be 7, for the last time with ethanol washing with
Convenient and dry is placed on drying in 50 DEG C of baking oven and obtains final product bismuth tantalate nano particle as shown in Figure 1.
Embodiment 2
The tantalum pentoxide powder that equivalent concentration is 0.1mol/L is added in n,N-Dimethylformamide, after mixing evenly
Mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again, 0.1mol/L bismuth trichloride, 0.15mol/L is added
Ammonium tartrate and hydrazine hydrate, reaction kettle tighten sealing, are put into 200 DEG C of constant temperature ovens and stand reaction 12 hours；It is precipitated
It is alternately washed, is filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product with deionized water and ethyl alcohol
Again disperse in deionized water or ethyl alcohol, repeated filtration is 7 until filtrate pH value, dry to facilitate with ethanol washing for the last time
It is dry, it is placed on drying in 70 DEG C of baking oven and obtains final product bismuth tantalate nano particle.
Embodiment 3
The tantalum pentoxide powder that equivalent concentration is 0.05mol/L is added in n,N-Dimethylformamide, is stirred evenly
Mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again afterwards, addition 0.05mol/L bismuth trichloride,
0.15mol/L ammonium tartrate and hydrazine hydrate, reaction kettle tighten sealing, are put into 200 DEG C of constant temperature ovens and stand reaction 10 hours；
It obtains precipitating deionized water and ethyl alcohol alternately washs, be filtered each time after washing using centrifuge precipitating or pumping and filtering device,
Filtration product is dispersed in deionized water or ethyl alcohol again, and repeated filtration is 7 until filtrate pH value, uses ethanol washing for the last time
With convenient and dry, it is placed on drying in 60 DEG C of baking oven and obtains final product bismuth tantalate nano particle.
Embodiment 4
The tantalum pentoxide powder that equivalent concentration is 0.1mol/L is added in n,N-Dimethylformamide, after mixing evenly
Mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again, 0.1mol/L bismuth fluoride, 0.1mol/L is added
Ammonium tartrate and hydrazine hydrate, reaction kettle tighten sealing, are put into 220 DEG C of constant temperature ovens and stand reaction 6 hours；Precipitating is obtained to use
Deionized water and ethyl alcohol alternately wash, and are filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product weight
Newly disperse in deionized water or ethyl alcohol, repeated filtration is 7 until filtrate pH value, dry to facilitate with ethanol washing for the last time
It is dry, it is placed on drying in 60 DEG C of baking oven and obtains final product bismuth tantalate nano particle.
Claims (4)
1. the synthetic method of a kind of nanometer of bismuth tantalate, which is characterized in that include the following steps：N is added in tantalum pentoxide powder,
In dinethylformamide, mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again after mixing evenly, is added
Enter bismuth salt, ammonium tartrate, hydrazine hydrate, reaction kettle tightens sealing, and it is small to be put into standing reaction 6~12 in 200~220 DEG C of constant temperature ovens
When；Washing is dried to obtain final product bismuth tantalate nano particle.
2. the synthetic method of a kind of nanometer of bismuth tantalate according to claim 1, it is characterised in that：The tantalum pentoxide is outstanding
Equivalent concentration in turbid is 0.05~0.1mol/L, and the bismuth salt includes one of bismuth fluoride, bismuth trichloride, concentration with
Tantalum pentoxide is identical, and ammonium tartrate concentration is 0.1~0.15mol/L, and addition hydrazine hydrate is n,N-Dimethylformamide volume
1/20~1/10.
3. the synthetic method of a kind of nanometer of bismuth tantalate according to claim 1, it is characterised in that：The washing is to be obtained by filtration
It is alternately washed, is filtered each time after washing using centrifuge precipitating or pumping and filtering device, mistake with deionized water and ethyl alcohol after precipitating
Filter product disperse in deionized water or ethyl alcohol again, repeated filtration until filtrate pH value be 7, for the last time with ethanol washing with
Convenient and dry, dry be placed in 50~70 DEG C of baking oven are dried.
4. prepared by a kind of synthetic method of the synthetic method of the nanometer bismuth tantalate as described in claims 1 to 3 any one
Nanometer bismuth tantalate.
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| CN201810750127.3A CN108892174A (en) | 2018-07-02 | 2018-07-02 | A kind of synthetic method of nanometer of bismuth tantalate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501504A (en) * | 2021-07-21 | 2021-10-15 | 苏州普轮电子科技有限公司 | Novel semiconductor material with micro-nano structure and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612560A (en) * | 2009-07-19 | 2009-12-30 | 桂林理工大学 | Compound oxide photocatalyst Bi 4M 2O 11Preparation method and application thereof |
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2018
- 2018-07-02 CN CN201810750127.3A patent/CN108892174A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101612560A (en) * | 2009-07-19 | 2009-12-30 | 桂林理工大学 | Compound oxide photocatalyst Bi 4M 2O 11Preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501504A (en) * | 2021-07-21 | 2021-10-15 | 苏州普轮电子科技有限公司 | Novel semiconductor material with micro-nano structure and preparation method thereof |
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Application publication date: 20181127 |