CN104150534A - Biomimetic synthesis method of bismuth vanadate visible-light-driven photocatalyst with different microtopographies - Google Patents
Biomimetic synthesis method of bismuth vanadate visible-light-driven photocatalyst with different microtopographies Download PDFInfo
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- CN104150534A CN104150534A CN201410336695.0A CN201410336695A CN104150534A CN 104150534 A CN104150534 A CN 104150534A CN 201410336695 A CN201410336695 A CN 201410336695A CN 104150534 A CN104150534 A CN 104150534A
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Abstract
The invention discloses a biomimetic synthesis method of a bismuth vanadate visible-light-driven photocatalyst with different microtopographies. The method comprises the following steps: dissolving 0.125-1 g of gelatin into 50 ml of dilute nitric acid solution with a molar concentration of 1 mol/L; after the gelatin is completely dissolved, adding 1 mmol of a Bi(NO3)3.5H2O solid, stirring for 1 h, adding 1 mmol of NH4VO3 powder, and stirring for 30 min; adjusting the pH value of the obtained solution to be 1-9 by using ammonium hydroxide; after stirring for 40 min, transferring a precursor solution to a hydrothermal reaction kettle with a volume of 80 ml to react for 24 h at a temperature of 120-180 DEG C; after the reaction is completed, taking the obtained product out of the reaction kettle and cooling to room temperature, carrying out centrifugal separation so as to obtain a yellow precipitate, and repeatedly washing the yellow precipitate by using deionized water and anhydrous ethanol; putting the obtained product into a drying oven to dry for 12 h at a temperature of 60 DEG C, so that the bismuth vanadate visible-light-driven photocatalyst with different microtopographies is prepared. According to the invention, synthesis in organic reagents or in mixed solvents of organic reagents and water is avoided, therefore, the biomimetic synthesis method is an environment-friendly synthesis method; the prepared bismuth vanadate visible-light-driven photocatalyst with different microtopographies has a high visible-light catalytic activity.
Description
Technical field
The invention belongs to visible light catalytic material technical field, be specifically related to a kind of biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst.
Background technology
Photocatalytic degradation pollutent, as a high-level oxidation technology, has application prospect for environment remediation, has also obtained increasing concern.And photocatalyst is the core of this technology, in numerous semiconductor light-catalysts, TiO
2because the features such as its biologically inert, strong oxidizing property, low-cost high-efficiency, fast light corrosion and chemical corrosivity and stiff stability are considered to be suitable for most the photocatalyst of environmental pollution improvement.But TiO
2the shortcoming that still has some self to be difficult to overcome, as low in sunlight utilization ratio, only can absorb the UV-light that accounts for sunlight total energy 4%, in visible-range, almost there is no photoresponse.Therefore, the visible light catalyst of development of new becomes an important research direction of photocatalysis field.
In recent years, some bismuth-system compound oxide photocatalysts had been subject to people's extensive concern, and this is the band gap relative narrower due to this based semiconductor photocatalyst, can under visible ray, excite generation photo-generated carrier, and by contaminant degradation.1998, (Catal. Lett. 1998,53 229-230.) reported BiVO to kudo etc.
4can be used as a kind of novel photocatalyst with visible light activity, employing be high temperature solid-phase sintering method.After this, people prepare pucherite visible light catalyst by other several different methods again.The crystal phase structure of photocatalyst, appearance and size etc. are the principal elements that affects its ultraviolet catalytic activity, and these have inseparable relation with its synthetic method and preparation condition.
Biomimetic synthesis technology was developed in the mid-90, imitate the mechanism that inorganics forms under organism regulation and control, in building-up process, utilize natural principle as guidance, first form organic self-assembly, make inorganic precursor in the phase interface generation chemical reaction of self-assembly aggregate and solution, under the template action of self-assembly, form inorganic/organic complex, then after organic template is removed, can obtain having the inorganic materials of definite shape, size, orientation and structure.By bionical synthetic, can obtain the pucherite visible light catalytic material of special appearance, particularly may make photocatalyst surface present metastable structure or impact the surface effectively existence of catalytic group and distribution etc., thereby improve its visible light catalysis activity.
Summary of the invention
The technical problem that the present invention solves has been to provide a kind of biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst, this synthetic method is by regulating reaction conditions, can effectively control the microscopic appearance of product, and this synthetic method is simple, environmental friendliness, the pucherite visible light catalyst pattern of synthesized is various and have a higher visible light catalysis activity.
Technical scheme of the present invention is: the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst, it is characterized in that comprising the following steps: take 0.125-1g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=1-9 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 120-180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12 h, make diverse microcosmic appearance pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, the synthetic method that it is characterized in that disc-shaped and column pucherite visible light catalyst comprises the following steps: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=1 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain disc-shaped and column pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, it is characterized in that synthetic the comprising the following steps of maple leaf shape pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=4 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain maple leaf shape pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, it is characterized in that synthetic the comprising the following steps of sheet pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=7 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain sheet pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, it is characterized in that synthetic the comprising the following steps of dried firewood bundle shape pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=9 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain dried firewood bundle shape pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, it is characterized in that synthetic the comprising the following steps of terrace type pucherite visible light catalyst: take 0.125g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO3) 35H2O solid, stir after 1h, add again 1mmol NH4VO3 powder, stir again after 30min, pH=4 with ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 120 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain terrace type pucherite visible light catalyst.
The biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst of the present invention, it is characterized in that synthetic the comprising the following steps of square piece shape pucherite visible light catalyst: take 1g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=4 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain square piece shape pucherite visible light catalyst.
The present invention compared with prior art has the following advantages: (1) has avoided in organic solvent or in the mixed solvent of organic reagent and water synthetic, has also avoided using environmentally harmful organic reagent simultaneously, because of but a kind of eco-friendly synthetic method; (2) preparation method is easy and simple to handle fast, and product pattern is controlled; (3) prepared pucherite visible light catalyst has higher visible light catalysis activity, the visible light catalysis activity of the pucherite visible light catalyst of preparing higher than P25 and solid-phase synthesis.
Accompanying drawing explanation
Fig. 1 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 1 of the embodiment of the present invention 1 preparation, Fig. 2 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 2 of the embodiment of the present invention 2 preparations, Fig. 3 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 3 of the embodiment of the present invention 3 preparations, Fig. 4 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 4 of the embodiment of the present invention 4 preparations, Fig. 5 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 5 of the embodiment of the present invention 5 preparations, Fig. 6 is the scanning electron microscope (SEM) photograph of the pucherite visible light catalyst 6 of the embodiment of the present invention 6 preparations, Fig. 7 is the pucherite visible light catalyst 2 of the embodiment of the present invention 2 preparations, pucherite visible light catalyst prepared by solid-phase synthesis and the correlation curve of P25 to rhodamine B degradation rate.
Embodiment
By the following examples foregoing of the present invention is described in further details, but this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on foregoing of the present invention all belong to scope of the present invention.
Embodiment 1
Take 0. 25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir after 30min, the pH=1 with ammoniacal liquor regulator solution, then stirs after 40min again, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain disc-shaped and column pucherite visible light catalyst 1, its scanning electron microscope (SEM) photograph is shown in Fig. 1.
Embodiment 2
Take 0. 25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir after 30min, the pH=4 with ammoniacal liquor regulator solution, then stirs after 40min again, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain maple leaf shape pucherite visible light catalyst 2, its scanning electron microscope (SEM) photograph is shown in Fig. 2.
Embodiment 3
Take 0. 25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir after 30min, the pH=7 with ammoniacal liquor regulator solution, then stirs after 40min again, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain sheet pucherite visible light catalyst 3, its scanning electron microscope (SEM) photograph is shown in Fig. 3.
Embodiment 4
Take 0. 25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir after 30min, the pH=9 with ammoniacal liquor regulator solution, then stirs after 40min again, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain dried firewood bundle shape pucherite visible light catalyst 4, its scanning electron microscope (SEM) photograph is shown in Fig. 4.
Embodiment 5
Taking 0.125g gelatin is dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO3) 35H2O solid, stir after 1h, add again 1mmol NH4VO3 powder, stir again after 30min, pH=4 with ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 120 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain terrace type pucherite visible light catalyst 5, its scanning electron microscope (SEM) photograph is shown in Fig. 5.
Embodiment 6
Take 1g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir after 30min, the pH=4 with ammoniacal liquor regulator solution, then stirs after 40min again, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain square piece shape pucherite visible light catalyst 6, its scanning electron microscope (SEM) photograph is shown in Fig. 6.
Embodiment 7
The present embodiment adopts the prepared pucherite visible light catalyst 2 of embodiment 2 to carry out photocatalytic degradation experiment, in order to contrast, take respectively the pucherite visible light catalyst 2 of equivalent (0.1g), pucherite visible light catalyst and P25 prepared by solid-phase synthesis, join in the rhodamine B that 200mL mass concentration is 5mg/L (RhB) solution, after ultrasonic 15min, be transferred in light-catalyzed reaction glass reactor, at lucifuge place, stir 30min, to reach adsorption/desorption balance.Adopt the xenon lamp of 300W as light source, then the speed with 80ml/min passes into air, turns on light and continues and stir, at interval of certain hour sampling once, centrifugation, gets its supernatant liquor and with 722 type ultraviolet-visible pectrophotometers (λ=554nm), measures the residual concentration of rhodamine B.The curve of these three kinds of photocatalyst for degrading rhodamine Bs as shown in Figure 7, as can be seen from this figure, in identical degradation time, pucherite visible light catalyst and P25 that the degradation rate of 2 pairs of rhodamine Bs of pucherite visible light catalyst is prepared apparently higher than solid-phase synthesis, therefore pucherite visible light catalyst and P25 that, the photocatalytic activity of the pucherite visible light catalyst 2 of embodiment 2 preparations is prepared higher than solid-phase synthesis.Equally, through photocatalytic degradation experiment, show pucherite visible light catalyst and the P25 that pucherite visible light catalyst that other embodiment makes is also prepared apparently higher than solid-phase synthesis the degradation rate of rhodamine B, and then show pucherite visible light catalyst and P25 that the visible light catalysis activity of pucherite visible light catalyst prepared by other embodiment is prepared higher than solid-phase synthesis.
Above embodiment has described ultimate principle of the present invention, principal character and advantage; the technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; do not departing under the scope of the principle of the invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of the invention.
Claims (7)
1. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst, is characterized in that comprising the following steps: take 0.125-1g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, wait gelatin to dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=1-9 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 120-180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, make diverse microcosmic appearance pucherite visible light catalyst.
2. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, the synthetic method that it is characterized in that disc-shaped and column pucherite visible light catalyst comprises the following steps: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=1 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain disc-shaped and column pucherite visible light catalyst.
3. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, it is characterized in that synthetic the comprising the following steps of maple leaf shape pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=4 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain maple leaf shape pucherite visible light catalyst.
4. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, it is characterized in that synthetic the comprising the following steps of sheet pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=7 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain sheet pucherite visible light catalyst.
5. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, it is characterized in that synthetic the comprising the following steps of dried firewood bundle shape pucherite visible light catalyst: take 0.25g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=9 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain dried firewood bundle shape pucherite visible light catalyst.
6. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, it is characterized in that synthetic the comprising the following steps of terrace type pucherite visible light catalyst: take 0.125g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO3) 35H2O solid, stir after 1h, add again 1mmol NH4VO3 powder, stir again after 30min, pH=4 with ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 120 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain terrace type pucherite visible light catalyst.
7. the biomimetic synthesis method of diverse microcosmic appearance pucherite visible light catalyst according to claim 1, it is characterized in that synthetic the comprising the following steps of square piece shape pucherite visible light catalyst: take 1g gelatin and be dissolved in the dilute nitric acid solution that 50mL volumetric molar concentration is 1mol/L, in gelatin, dissolve completely, add 1mmol Bi (NO
3)
35H
2o solid, stirs after 1h, then adds 1mmol NH
4vO
3powder, stir again after 30min, with the pH=4 of ammoniacal liquor regulator solution, then stir after 40min, precursor solution is transferred in 80mL hydrothermal reaction kettle in 180 ℃ of reaction 24h, after reaction finishes, take out reactor and be cooled to room temperature, the yellow mercury oxide that centrifugation reaction generates, with deionized water and dehydrated alcohol repetitive scrubbing, then put into vacuum drying oven in 60 ℃ of dry 12h, obtain square piece shape pucherite visible light catalyst.
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Cited By (3)
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| CN106582608A (en) * | 2016-11-14 | 2017-04-26 | 河南师范大学 | Method for preparing monoclinic bismuth vanadate visible light catalyst |
| CN113908822A (en) * | 2021-09-28 | 2022-01-11 | 江西理工大学 | (BiO)2OHCl/La(OH)3Preparation method and application of composite visible-light-driven photocatalyst |
| CN114162864A (en) * | 2021-11-11 | 2022-03-11 | 中国科学院大连化学物理研究所 | Rapid synthesis method of shape-controllable one-dimensional bismuth vanadate nanoarray |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582608A (en) * | 2016-11-14 | 2017-04-26 | 河南师范大学 | Method for preparing monoclinic bismuth vanadate visible light catalyst |
| CN113908822A (en) * | 2021-09-28 | 2022-01-11 | 江西理工大学 | (BiO)2OHCl/La(OH)3Preparation method and application of composite visible-light-driven photocatalyst |
| CN113908822B (en) * | 2021-09-28 | 2023-08-01 | 江西理工大学 | (BiO) 2 OHCl/La(OH) 3 Preparation method and application of composite visible light catalyst |
| CN114162864A (en) * | 2021-11-11 | 2022-03-11 | 中国科学院大连化学物理研究所 | Rapid synthesis method of shape-controllable one-dimensional bismuth vanadate nanoarray |
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