CN108892173A - A kind of synthetic method of caesium doping sodium tantalate - Google Patents
A kind of synthetic method of caesium doping sodium tantalate Download PDFInfo
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- CN108892173A CN108892173A CN201810722180.2A CN201810722180A CN108892173A CN 108892173 A CN108892173 A CN 108892173A CN 201810722180 A CN201810722180 A CN 201810722180A CN 108892173 A CN108892173 A CN 108892173A
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- caesium
- sodium tantalate
- synthetic method
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- tantalum pentoxide
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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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- 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
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- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The purpose of the present invention is to provide a kind of synthetic methods of caesium doping sodium tantalate, which is characterized in that includes the following steps：Sodium hydroxide, cesium hydroxide and tantalum pentoxide powder are added in deionized water, tantalum pentoxide powder after mixing evenly again moves into mixed liquor in the hydrothermal reaction kettle with polytetrafluoroethylliner liner, reaction kettle tightens sealing, is put into 180~220 DEG C of constant temperature ovens and stands reaction 6~12 hours；Washing is dried to obtain final product caesium doping sodium tantalate powder.Present invention process process is simple, and synthesis temperature is low, and particle size is uniform, and there is good photocatalysis performance to apply also for the fields such as photoelectric device, fuel cell in addition to catalytic field.
Description
Technical field
The invention belongs to material chemistry technical fields, are related to a kind of synthetic method of caesium doping sodium tantalate.
Background technique
Sodium tantalate NaTaO3It is a kind of catalysis material of function admirable, can be used for photocatalysis degradation organic contaminant and light
Solve water hydrogen.Load hetero-junctions particle can significantly promote catalytic performance, and NiO loads NaTaO3It is catalyzed photocatalytic water efficiency afterwards
Increase substantially (J.Phys.Chem.B (2001), 105,4285；It is catalyzed journal (2011), 12,1822).Element doping is also
The important channel of catalytic performance is promoted, A triad (La, Bi, In) doping and B rare earth element (Ce, Eu) doping have
Research, A caesiums adulterate synthesis and the rare report of photocatalysis degradation organic contaminant performance of sodium tantalate.
Summary of the invention
The purpose of the present invention is to provide a kind of synthetic methods of caesium doping sodium tantalate, which is characterized in that including walking as follows
Suddenly：Sodium hydroxide, cesium hydroxide and tantalum pentoxide powder are added in deionized water, tantalum pentoxide powder is after mixing evenly
Mixed liquor is moved into the hydrothermal reaction kettle with polytetrafluoroethylliner liner again, reaction kettle tightens sealing, is put into 180~220 DEG C
Reaction 6~12 hours are stood in constant temperature oven；Washing is dried to obtain final product caesium doping sodium tantalate powder.
6~the 12mol/L of naoh concentration, cesium hydroxide 0.5~1mol/L of concentration, tantalum pentoxide is in suspension
In equivalent concentration be 0.05~0.1mol/L.
The washing is alternately washed with deionized water and ethyl alcohol, each time after washing using centrifuge precipitating or pumping and filtering device
It is filtered, filtration product is dispersed in deionized water or ethyl alcohol again, and repeated filtration is 7 until filtrate pH value, last time
With ethanol washing with convenient and dry, dry be placed in 50~70 DEG C of baking oven is dried.
Present invention process process is simple, and synthesis temperature is low, and particle size is uniform, has good photocatalysis performance, in addition to
Catalytic field applies also for the fields such as photoelectric device, fuel cell.
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 adulterates the scanning electron microscope pattern of sodium tantalate using (embodiment 1) of the invention synthesis caesium.
Specific embodiment
Embodiment 1
The addition of 6mol/L sodium hydroxide, 0.5mol/L cesium hydroxide and 0.05mol/L equivalent tantalum pentoxide powder is gone
In ionized water, mixed liquor is moved into the hydrothermal reaction kettle for having polytetrafluoroethylliner liner by tantalum pentoxide powder again after mixing evenly
In, reaction kettle tightens sealing, is put into 180 DEG C of constant temperature ovens and stands reaction 6 hours；It is alternately washed with deionized water and ethyl alcohol,
It is filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product is divided in deionized water or ethyl alcohol again
It dissipates, repeated filtration is 7 until filtrate pH value, is placed in 50 DEG C of baking oven and is dried with convenient and dry with ethanol washing for the last time
Obtain final product caesium doping sodium tantalate powder shown in FIG. 1.
Embodiment 2
By 12mol/L sodium hydroxide, 1mol/L cesium hydroxide and 0.1mol/L equivalent tantalum pentoxide powder addition go from
In sub- water, mixed liquor is moved into the hydrothermal reaction kettle for having polytetrafluoroethylliner liner by tantalum pentoxide powder again after mixing evenly
In, reaction kettle tightens sealing, is put into 220 DEG C of constant temperature ovens and stands reaction 12 hours；It is alternately washed with deionized water and ethyl alcohol,
It is filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product is divided in deionized water or ethyl alcohol again
It dissipates, repeated filtration is 7 until filtrate pH value, is placed in 70 DEG C of baking oven and is dried with convenient and dry with ethanol washing for the last time
Obtain final product caesium doping sodium tantalate powder.
Embodiment 3
By 10mol/L sodium hydroxide, 1mol/L cesium hydroxide and 0.05mol/L equivalent tantalum pentoxide powder addition go from
In sub- water, mixed liquor is moved into the hydrothermal reaction kettle for having polytetrafluoroethylliner liner by tantalum pentoxide powder again after mixing evenly
In, reaction kettle tightens sealing, is put into 200 DEG C of constant temperature ovens and stands reaction 10 hours；It is alternately washed with deionized water and ethyl alcohol,
It is filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product is divided in deionized water or ethyl alcohol again
It dissipates, repeated filtration is 7 until filtrate pH value, is placed in 60 DEG C of baking oven and is dried with convenient and dry with ethanol washing for the last time
Obtain final product caesium doping sodium tantalate powder.
Claims (4)
1. a kind of synthetic method of caesium doping sodium tantalate, which is characterized in that include the following steps：By sodium hydroxide, cesium hydroxide
It is added in deionized water with tantalum pentoxide powder, mixed liquor is moved into again have poly- four after mixing evenly by tantalum pentoxide powder
In the hydrothermal reaction kettle of vinyl fluoride liner, reaction kettle tightens sealing, is put into 180~220 DEG C of constant temperature ovens and stands reaction 6~12
Hour；Washing is dried to obtain final product caesium doping sodium tantalate powder.
2. a kind of synthetic method of caesium doping sodium tantalate according to claim 1, it is characterised in that：The naoh concentration
6~12mol/L, cesium hydroxide 0.5~1mol/L of concentration, equivalent concentration of the tantalum pentoxide in suspension be 0.05~
0.1mol/L。
3. a kind of synthetic method of caesium doping sodium tantalate according to claim 1, it is characterised in that：It is described washing be spend from
Sub- water and ethyl alcohol alternately wash, and are filtered each time after washing using centrifuge precipitating or pumping and filtering device, filtration product exists again
Disperse in deionized water or ethyl alcohol, repeated filtration is 7 until filtrate pH value, is done for the last time with ethanol washing with convenient and dry
It is dried in the dry baking oven for being placed on 50~70 DEG C.
4. caesium prepared by a kind of synthetic method of the caesium doping sodium tantalate as described in claims 1 to 3 any one adulterates tantalum
Sour sodium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810722180.2A CN108892173A (en) | 2018-06-26 | 2018-06-26 | A kind of synthetic method of caesium doping sodium tantalate |
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| CN201810722180.2A CN108892173A (en) | 2018-06-26 | 2018-06-26 | A kind of synthetic method of caesium doping sodium tantalate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898137A (en) * | 2019-03-26 | 2019-06-18 | 浙江大学 | A kind of preparation method of sodium tantalate monocrystal thin films |
Citations (5)
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|---|---|---|---|---|
| WO2009065180A1 (en) * | 2007-11-23 | 2009-05-28 | The University Of Queensland | Non-metal doped metal oxide nanosheets and method of production thereof |
| CN102553563A (en) * | 2011-12-19 | 2012-07-11 | 陕西科技大学 | Method for preparing high catalytic activity sodium tantalate photo-catalyst by hydro-thermal method |
| CN104178152A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Dysprosium-doped alkali tantalate up-conversion luminescent material and preparation method and application thereof |
| CN104449703A (en) * | 2013-09-25 | 2015-03-25 | 海洋王照明科技股份有限公司 | Holmium and dysprosium co-doped alkali fluorine tantalate up-conversion luminescent material and preparation method thereof |
| CN106000412A (en) * | 2016-06-21 | 2016-10-12 | 长安大学 | Preparation method of sodium tantalum oxide matrix composite material |
-
2018
- 2018-06-26 CN CN201810722180.2A patent/CN108892173A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009065180A1 (en) * | 2007-11-23 | 2009-05-28 | The University Of Queensland | Non-metal doped metal oxide nanosheets and method of production thereof |
| CN102553563A (en) * | 2011-12-19 | 2012-07-11 | 陕西科技大学 | Method for preparing high catalytic activity sodium tantalate photo-catalyst by hydro-thermal method |
| CN104178152A (en) * | 2013-05-22 | 2014-12-03 | 海洋王照明科技股份有限公司 | Dysprosium-doped alkali tantalate up-conversion luminescent material and preparation method and application thereof |
| CN104449703A (en) * | 2013-09-25 | 2015-03-25 | 海洋王照明科技股份有限公司 | Holmium and dysprosium co-doped alkali fluorine tantalate up-conversion luminescent material and preparation method thereof |
| CN106000412A (en) * | 2016-06-21 | 2016-10-12 | 长安大学 | Preparation method of sodium tantalum oxide matrix composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898137A (en) * | 2019-03-26 | 2019-06-18 | 浙江大学 | A kind of preparation method of sodium tantalate monocrystal thin films |
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Application publication date: 20181127 |