CN107032399A - A kind of monocline scheelite crystal formation pucherite nanometer sheet and its preparation method and application - Google Patents
A kind of monocline scheelite crystal formation pucherite nanometer sheet and its preparation method and application Download PDFInfo
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Abstract
The present invention relates to one kind tool monocline scheelite crystal formation pucherite nanometer sheet and its preparation method and application, using alcohol hydro-thermal method, appropriate Bi (NO) is configured3·5H2O ethylene glycol solutions and NH4VO3Water slurry liquid；By optimizing NH4VO3Water slurry liquid adds Bi (NO)3·5H2Mode in O ethylene glycol solutions controls course of reaction；Complete solution will be reacted and be put into high pressure reactor reaction, be cooled to after room temperature and alternately rinse product deionized water and absolute ethyl alcohol；Place in tube furnace and calcine, you can the pucherite nanometer sheet of size uniform and the monocline scheelite crystal formation with good photocatalysis performance is prepared under conditions of without surfactant.The invention provides a kind of alcohol hydrothermal method, under conditions of without any surfactant or chelating agent, method by optimizing feed pattern and calcining, it is successfully prepared size uniform and there is the pucherite nanometer sheet of the monocline scheelite crystal formation of good photocatalysis performance to methyl orange, its colour fading rate can reaches 98.44%；The preparation method is simply controllable, and repeatability is high, with obvious application value.
Description
Technical field
The invention belongs to photocatalysis nano material field, and in particular to a kind of monocline scheelite crystal formation pucherite nanometer sheet and
Its preparation method and application.
Background technology
In inorganic material, pucherite can be from ultraviolet regulation and control to visible light wave range because of band gap（With structure and pattern phase
Close）, have the advantages that good redox ability, photochemical stability are strong；And have with low cost, nontoxic, lovely luster concurrently
The features such as, receive extensive concern in yellow uitramarine and visible-light photocatalyst field.
As the inorganic material with good photochemical stable performance, the optical property of pucherite is widely studied, related
As a result confirm：Compared to cubic zircon and the pucherite of cubic scheelite-type structure, the pucherite of monocline scheelite crystal formation is in visible ray
In the range of photocatalysis performance it is optimal.Walsh etc. explained by density functional theory its behind mechanism (Chem. Mater.,
2009,21,547-551) so that different nanostructured monoclinic phase pucherites prepare and achieve greater advance.
2010, Han et al., as surfactant, positive octahedral was synthesized using hydro-thermal method with neopelex
The monocline scheelite crystal formation pucherite of body shape, and use it in the degraded of rhodamine B.（Han M et al； Synthesis
of mono-dispersed m-Bi VO4 octahedral nano-crystals with enhanced visible
light photocatalytic properties, Cryst Eng Comm. 2011,13(22):6674）
2012, Chen etc. was used etc. using 1B as Surfactant, and hollow peanut shape monoclinic phase has been obtained under hydrothermal condition
Pucherite, under visible light, stronger activity is shown to crystal violet degraded.（Chen L et al; Hollow
peanut-like m-BiVO4: facile synthesis and solar-light-induced photocatalytic
Property Cryst Eng Comm, 2012,14 (12)：4217）
2015, Lu etc. was received as surfactant using citric acid, by regulating and controlling response parameter, obtains ellipsoid and double four
The monocline scheelite crystal formation pucherite of horn shape, it was demonstrated that there is preferable degrading activity to methylene blue.（Lu Yanjie et al,
.Preparation and efficient visible light-induced photocatalytic activity of
m-BiVO4 with different morphologies. Journal of Physics and Chemistry of
Solids, 2015, 85: 44）
Hydro-thermal method has with low cost, the advantages of small technique of environmental pollution is easily amplified, but in Morphological control, need to be by organic
Surfactant is completed, and it remains the photocatalysis performance for the material that can significantly affect preparation.
The content of the invention
To overcome the deficiencies in the prior art, the present invention provides a kind of monocline scheelite crystal formation pucherite nanometer sheet and its preparation
Methods and applications.
The present invention takes following technical scheme to realize：
A kind of preparation method of monocline scheelite crystal formation pucherite nanometer sheet, it is characterised in that comprise the following steps：
（1）By appropriate NH4VO3It is dissolved in the deionized water of certain volume, at room temperature magnetic agitation 20 minutes, forms concentration
For 0.3mol/L off-white color suspending liquid A；By appropriate Bi (NO)3·5H2O is dissolved in the ethylene glycol of same volume, at room temperature magnetic
Power stirs 20 minutes to solution to clarifying, and obtains solution B；
（2）By step（1）The direct of middle half off-white color suspending liquid A is poured into B, after quickly stirring 5 minutes, by remaining part
At the uniform velocity added in 5 minutes；Stirring 30 minutes；Obtain reacting complete mixed solution；
（3）Mixed solution is transferred in the autoclave of polytetrafluoroethylliner liner, under certain temperature range；React 16h
After take out, sediment is alternately rinsed with deionized water and absolute ethyl alcohol 3-4 times；
（4）After the sediment microwave drying rinsed well, product is put into pipe type sintering furnace and calcined 120-180 minutes, obtains
Monocline scheelite crystal formation pucherite nanometer sheet.
Step（1）Bi(NO)3·5H2O and NH4VO3Physical quantity ratio be 1.02-1.06, optimal case is 1.04.
Step（2）In the speed that quickly stirs be 800r/min；The speed at the uniform velocity added is 300r/min.
Step（3）In temperature range be 120 DEG C -180 DEG C；Wherein optimal case is 150 DEG C.
Step（4）The middle microwave drying time is 15 minutes, and calcining heat is 450 DEG C -550 DEG C；Heating rate be 4-6 DEG C/
min；Optimal case is warming up to 500 DEG C for 5 DEG C/min and calcined 150 minutes.
A kind of monocline scheelite crystal formation pucherite nanometer sheet, it is characterised in that be prepared into according to any methods described
Arrive.
A kind of monocline scheelite crystal formation pucherite nanometer sheet is in light-catalysed application, and photocatalysis performance is good.
With prior art, the beneficial effects of the invention are as follows：
The present invention uses alcohol-hydro-thermal method, under conditions of without using any additional surfactants, by optimizing feed way,
Control reaction process to combine the mode of calcining, directly obtain the monocline scheelite crystal formation to methyl orange with good photocatalysis performance
Pucherite nanometer sheet.Any surfactant, the quantitative height of technique need not be added in the preparation scheme；It is simple and easy to control, repeat
Property is strong, it is easy to accomplish large-scale mass production, with important application potential.The invention provides a kind of alcohol-hydrothermal method,
Under conditions of any surfactant or chelating agent, the method by optimizing feed pattern and calcining is successfully prepared
Size uniform and have to methyl orange good photocatalysis performance monocline scheelite crystal formation pucherite nanometer sheet, its colour fading rate energy
Enough reach 98.44%；The preparation method is simply controllable, and repeatability is high, with obvious application value.
Brief description of the drawings
Fig. 1：The SEM figures of case study on implementation sample 1；
Fig. 2：The Raman spectrogram of case study on implementation sample 1；
Fig. 3：Degradation curve figure of the case study on implementation sample 1 to methyl orange.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1：℃
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.57g Bi (NO3)3·5H2O, (15.6mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 150 DEG C after 16h
Take out；Sediment is alternately rinsed with deionized water and absolute ethyl alcohol 4 times；Microwave drying is put into tube furnace after 15 minutes；According to 5
DEG C/min speed is warming up to 550 DEG C, calcine 120 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet；Accompanying drawing 1 is schemed for the SEM of the case study on implementation sample；Accompanying drawing 2 is the Raman spectrogram of the sample；Accompanying drawing 3 is the sample
Degradation property figure of the product to methyl orange.
Embodiment 2：
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.71g Bi (NO3)3·5H2O (15.9mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 150 DEG C after 16h
Take out, sediment is alternately rinsed 3 times with deionized water and absolute ethyl alcohol；Microwave drying is put into tube furnace after 15 minutes；According to 5
DEG C/min speed is warming up to 500 DEG C, calcine 150 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet；
Embodiment 3：
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.42g Bi (NO3)3·5H2O, (15.3mmol) is dissolved in 50mL ethylene glycol solutions；Room
The lower magnetic agitation of temperature 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed be set to 800r/min, adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Degree continues to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；16h is reacted under the conditions of 150 DEG C
After take out, sediment is alternately rinsed with deionized water and absolute ethyl alcohol 3 times；Microwave drying is put into tube furnace after 15 minutes；Press
Speed according to 5 DEG C/min is warming up to 500 DEG C, calcines 150 minutes, you can obtain the good monocline scheelite crystal formation of photocatalysis performance
Pucherite nanometer sheet；
Embodiment 4：
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.57g Bi (NO3)3·5H2O (15.6mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 180 DEG C after 16h
Take out；Sediment is alternately rinsed with deionized water and absolute ethyl alcohol 4 times；Microwave drying is put into tube furnace after 15 minutes；According to 5
DEG C/min speed is warming up to 500 DEG C, calcine 150 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet；
Embodiment 5：
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.57g Bi (NO3)3·5H2O (15.6mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 120 DEG C after 16h
Take out；Sediment is alternately rinsed with deionized water and absolute ethyl alcohol 4 times；Microwave drying is put into tube furnace after 15 minutes；According to 5
DEG C/min speed is warming up to 500 DEG C, calcine 150 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet；
Embodiment 6:
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.57g Bi (NO3)3·5H2O (15.6mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 150 DEG C after 16h
Take out；Sediment is alternately rinsed with deionized water and absolute ethyl alcohol 4 times；Microwave drying is put into tube furnace after 15 minutes；According to 4
DEG C/min speed is warming up to 450 DEG C, calcine 180 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet；
Embodiment 7:
Weigh 1.755g NH4VO3(15mmol) is dissolved in 50mL deionized waters, at room temperature magnetic agitation 20 minutes, can be with
Obtain off-white color suspending liquid A；Weigh 7.57g Bi (NO3)3·5H2O (15.6mmol) is dissolved in 50mL ethylene glycol solutions；Room temperature
Lower magnetic agitation 20 minutes, obtains settled solution B；25mL off-white colors suspending liquid A is directly poured into solution B, magnetic agitation
Rotating speed is set to 800r/min, and adjustment of rotational speed is 300r/min after stirring 5 minutes;By remaining solution A with 5mL/min speed
Continue to pour into；Mixed solution is transferred in autoclave after being stirred 30 minutes after end；Reacted under the conditions of 150 DEG C after 16h
Take out；Sediment is alternately rinsed with deionized water and absolute ethyl alcohol 4 times；Microwave drying is put into tube furnace after 15 minutes；According to 6
DEG C/min speed is warming up to 550 DEG C, calcine 120 minutes, you can obtain the good monocline scheelite crystal formation vanadium of photocatalysis performance
Sour bismuth nanometer sheet.
Claims (7)
1. a kind of preparation method of monocline scheelite crystal formation pucherite nanometer sheet, it is characterised in that comprise the following steps：
（1）By appropriate NH4VO3It is dissolved in the deionized water of certain volume, at room temperature magnetic agitation 20 minutes, forming concentration is
0.3mol/L off-white color suspending liquid A；By appropriate Bi (NO)3·5H2O is dissolved in the ethylene glycol of same volume, at room temperature magnetic force
Stirring obtains solution B in 20 minutes to solution to clarifying；
（2）By step（1）The direct of middle half off-white color suspending liquid A is poured into B, after quickly stirring 5 minutes, by remaining part
At the uniform velocity added in 5 minutes；Stirring 30 minutes；Obtain reacting complete mixed solution；
（3）Mixed solution is transferred in the autoclave of polytetrafluoroethylliner liner, under certain temperature range；React 16h
After take out, sediment is alternately rinsed with deionized water and absolute ethyl alcohol 3-4 times；
（4）After the sediment microwave drying rinsed well, product is put into pipe type sintering furnace and calcined 120-180 minutes, obtains
Monocline scheelite crystal formation pucherite nanometer sheet.
2. the preparation method of monocline scheelite crystal formation pucherite nanometer sheet according to claim 1, it is characterised in that step
（1）Bi(NO)3·5H2O and NH4VO3Physical quantity ratio be 1.02-1.06, optimal case is 1.04.
3. the preparation method of monocline scheelite crystal formation pucherite nanometer sheet according to claim 1, it is characterised in that step
（2）In the speed that quickly stirs be 800r/min；The speed at the uniform velocity added is 300r/min.
4. the preparation method of monocline scheelite crystal formation pucherite nanometer sheet according to claim 1, it is characterised in that step
（3）In temperature range be 120 DEG C -180 DEG C；Wherein optimal case is 150 DEG C.
5. the preparation method of monocline scheelite crystal formation pucherite nanometer sheet according to claim 1, it is characterised in that step
（4）The middle microwave drying time is 15 minutes, and calcining heat is 450 DEG C -550 DEG C；Heating rate is 4-6 DEG C/min；Optimal case
500 DEG C are warming up to for 5 DEG C/min to calcine 150 minutes.
6. a kind of monocline scheelite crystal formation pucherite nanometer sheet, it is characterised in that according to any methods described systems of claim 1-5
It is standby to obtain.
7. monocline scheelite crystal formation pucherite nanometer sheet is in light-catalysed application according to claim 6, photocatalysis performance is good
It is good.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017994A (en) * | 2019-12-10 | 2020-04-17 | 广西大学 | Preparation method of nano green-phase bismuth yellow vanadate powder |
| CN112408556A (en) * | 2020-11-25 | 2021-02-26 | 南京工程学院 | Dispersed built-in electric field tungsten-bismuth-based array for water oxidation and preparation method thereof |
| CN118454719A (en) * | 2024-05-06 | 2024-08-09 | 武汉轻工大学 | High-activity defect bismuth vanadate nano-sheet and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108753A (en) * | 2013-04-22 | 2014-10-22 | 海南师范大学 | Preparation for visible-light responsible BiVO4 catalyst |
| CN106512982A (en) * | 2016-12-08 | 2017-03-22 | 陕西易阳科技有限公司 | Preparation method of quadrangle-star-shaped bismuth vanadate catalyst |
-
2017
- 2017-05-08 CN CN201710316456.2A patent/CN107032399B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108753A (en) * | 2013-04-22 | 2014-10-22 | 海南师范大学 | Preparation for visible-light responsible BiVO4 catalyst |
| CN106512982A (en) * | 2016-12-08 | 2017-03-22 | 陕西易阳科技有限公司 | Preparation method of quadrangle-star-shaped bismuth vanadate catalyst |
Non-Patent Citations (2)
| Title |
|---|
| LONG CHEN ET AL.: ""The pH-controlled{040}facets orientation of BiVO4 photocatalysts with different morphologies for enhanced visible light photocatalytic performance"", 《MATERIALS LETTERS》 * |
| 肖军: ""光催化性能的钒酸铋纳米材料的合成与表征"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017994A (en) * | 2019-12-10 | 2020-04-17 | 广西大学 | Preparation method of nano green-phase bismuth yellow vanadate powder |
| CN112408556A (en) * | 2020-11-25 | 2021-02-26 | 南京工程学院 | Dispersed built-in electric field tungsten-bismuth-based array for water oxidation and preparation method thereof |
| CN118454719A (en) * | 2024-05-06 | 2024-08-09 | 武汉轻工大学 | High-activity defect bismuth vanadate nano-sheet and preparation method and application thereof |
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