CN110038593A - High efficiency photocatalysis restore Cr(VI) hollow ball-shape C@SnO2@SnS2The preparation method of ternary complex - Google Patents
High efficiency photocatalysis restore Cr(VI) hollow ball-shape C@SnO2@SnS2The preparation method of ternary complex Download PDFInfo
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- XOLBLPGZBRYERU-UHFFFAOYSA-N SnO2 Inorganic materials O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 title claims abstract description 38
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 20
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 36
- 239000006185 dispersion Substances 0.000 claims description 18
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000008103 glucose Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005342 ion exchange Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 238000004073 vulcanization Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- OKIIEJOIXGHUKX-UHFFFAOYSA-L Cadmium iodide Inorganic materials [Cd+2].[I-].[I-] OKIIEJOIXGHUKX-UHFFFAOYSA-L 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 1
- 230000009229 glucose formation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003214 pyranose derivatives Chemical group 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of high efficiency photocatalysis restore Cr(VI) hollow ball-shape C@SnO2@SnS2The preparation method of ternary complex, using first by SnO2It is supported in carbon ball and the hollow shape C@SnO containing a large amount of carbon is obtained by the method being not exclusively sintered2, TAA is then added, prepares the C@SnO of the hollow structure with different states of cure (vulcanization) in water-heat process using ion-exchange2@SnS2Ternary complex, carbon, SnO2And SnS2The pattern of synergistic effect and hollow structure between three enhances ternary complex and ability is absorbed and utilized to visible light, promotes the separation of photogenerated charge, hollow ball-shape C@SnO2@SnS2Ternary complex is to Cr(VI) absorption and visible light photocatalytic degradation ability significantly increase, under visible light to Cr (VI) have good removal effect.
Description
Technical field
The invention belongs to the synthesis technical fields of catalysis material, and in particular to a kind of high efficiency photocatalysis reduction Cr(VI)
Hollow ball-shape C@SnO2@SnS2The preparation method of ternary complex.
Background technique
It Cr(VI) is pollutant common in plating, pigment and chromate industrial wastewater, it has high toxicity and Gao Liudong
Property, there is very big harm to environment, ecology and human health.Find efficiently removal Cr(VI) method be always people processing
The focus of chromate waste water.Conductor photocatalysis is as a kind of emerging technology, in processing Cr(VI) aspect has certain advantage,
The technology is environmentally protective, using sunlight and low energy consumption, be not likely to produce secondary pollution and can be by Cr(VI) be converted into hypotoxicity
Cr(III), be a kind of technology of great development and application prospect.
SnO2It is a kind of common broad-band gap n-type semiconductor, in photocatalysis field, SnO2Due to it is safe and non-toxic,
Stability is good, structure and the advantages that pattern is easy to regulate and control, photocatalysis performance is excellent, it is considered to be the green ring with development prospect
Protect one of catalyst.However SnO2The broad-band gap of nano material and the high recombination rate of photo-generate electron-hole pairs limit it in reality
In application.SnS2It is CdI2Type layered semiconductor, band gap are 2.2-2.35 eV, have stronger response to visible light.SnS2Nontoxic,
It is readily synthesized and chemical property is stablized, be a kind of effective visible light catalyst.SnO2With narrow gap semiconductor SnS2Coupling is formed
Hetero-junctions is to widen SnO2Spectral response range and the effective ways that separate of enhancing photogenerated charge.
The pattern of photochemical catalyst also has very important influence on photocatalysis effect.The pattern of hollow structure is beneficial to light
Absorption of the catalyst to light increases light in the reflection path of catalytic inner, so that performance is absorbed and utilized to light in reinforcing material,
Achieve the purpose that improve material light catalysis property.
The carbon ball of glucose synthesis as carbon material, with synthetic method, stablize by simple, low in cost, environmental-friendly, property
The advantages that strong with electric conductivity.Carbon ball is also the synthesis common mould material of hollow structure, in the process of synthesis hollow structure material
If not exclusively it is sintered carbon ball in, in the material, then on the one hand remaining carbon can be used as photosensitizer and increases material a large amount of carbon of remaining
Visible light is absorbed and utilized in material;On the other hand due to the pyranose structure of a large amount of conjugatedπbonds in carbon ball surface composition easily with partly lead
Body material tight combines, and not exclusively after sintering, still largely the carbon with semiconductor close contact, these carbon are easy and fast to shift remaining
Light induced electron reduces the recombination probability of light induced electron and hole in semiconductor, so as to further increase the photocatalysis of material
Performance.
Though at present about SnO2/SnS2The document report of heterojunction photocatalysis degradation of dye etc., but there are no hollow shape
C@SnO2@SnS2Ternary complex photocatalytic degradation Cr(VI) relevant report.
Summary of the invention
The object of the present invention is to provide a kind of high efficiency photocatalysis restore Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary
The preparation method of compound, using first by SnO2It is supported in carbon ball and is obtained by the method being not exclusively sintered containing a large amount of carbon
Hollow shape C@SnO2, TAA(thioacetamide is then added), being prepared in water-heat process using ion-exchange has different sulphur
The C@SnO of the hollow structure of change degree2@SnS2Ternary complex, carbon, SnO2And SnS2Synergistic effect and sky between three
The pattern of core structure enhances ternary complex and ability is absorbed and utilized to visible light, promotes the separation of photogenerated charge, the sky
Bulbus cordis shape C@SnO2@SnS2Ternary complex is to Cr(VI) absorption and visible light photocatalytic degradation ability significantly increase, in visible light
Under to Cr (VI) have good removal effect.
The present invention adopts the following technical scheme that achieve the above object, and high efficiency photocatalysis restores Cr(VI) hollow ball-shape C@
SnO2@SnS2The preparation method of ternary complex, it is characterised in that specific steps are as follows:
Step S1: the glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle in 180 DEG C of hydro-thermal reactions 8
H obtains carbon ball, disperses obtained carbon ball in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;
Step S2: the SnCl for being 0.01 mol/L by molar concentration4·5H2O solution is added to the carbon ball dispersion that step S1 is obtained
In liquid, transfers in water-bath and be transferred in hydrothermal reaction kettle after 25-50 DEG C of 2 h of stirring, in 180 DEG C of hydro-thermal reactions 10
H, cooled to room temperature obtain C@SnO after centrifugation, washing, drying2;
Step S3: the C@SnO that step S2 is obtained2Hollow C@is obtained in 350-450 DEG C of calcining 1-3 h in air atmosphere
SnO2;
Step S4: thioacetamide is added to the hollow C@SnO that step S3 is obtained2Aqueous dispersions in, wherein C@SnO2With
The molar ratio of thioacetamide is 1:1-6, is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, be centrifuged,
Be filtered, washed, be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
Compared with the prior art, the invention has the following beneficial effects:
1, the present invention is burned off carbon ball not exclusively while forming hollow structure by controlling sintering step, and remaining is a large amount of
Carbon, the final C@SnO for synthesizing hollow structure2@SnS2Ternary complex;
2, the C@SnO of present invention synthesis hollow structure2@SnS2Ternary complex, which enhances, is absorbed and utilized light, reduces simultaneously
Electronics transfer path;
3, the hollow ball-shape C@SnO that the present invention synthesizes2@SnS2Carbon, SnO in ternary complex2And SnS2Collaboration between three is made
With not only increasing the separation that is absorbed and utilized and promote photogenerated charge of the compound to visible light;
4, hollow ball-shape C@SnO produced by the present invention2@SnS2Ternary complex is to Cr(VI) there is good absorption and photocatalysis
Removal ability.
Detailed description of the invention
Fig. 1 is the FESEM figure that sample is made in embodiment 3;
Fig. 2 is the TEM figure and HRTEM figure that sample is made in embodiment 1;
Fig. 3 is the EDS energy spectrum diagram that sample is made in embodiment 4;
Fig. 4 is that 10 mg/L K of sample removal are made in embodiment 22Cr2O7Cr(VI in solution) effect picture.
Specific embodiment
Above content of the invention is described in further details by the following examples, but this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, and all technologies realized based on above content of the present invention belong to this hair
Bright range.
Embodiment 1
The glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle and is obtained in 180 DEG C of 8 h of hydro-thermal reaction
Carbon ball disperses the obtained carbon ball of 300 g in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;By molar concentration
For the SnCl of 0.01 mol/L4·5H2In the carbon ball dispersion liquid that O solution is added to, transfer in water-bath in 25 DEG C
Be transferred in hydrothermal reaction kettle after stirring 2 h, in 180 DEG C of 10 h of hydro-thermal reaction, cooled to room temperature, through centrifugation, washing,
C@SnO is obtained after drying2;The C@SnO that will be obtained2Hollow C@SnO is obtained in 350 DEG C of 3 h of calcining in air atmosphere2;By sulphur
The hollow C@SnO being added to for acetamide2Aqueous dispersions in, wherein C@SnO2With the molar ratio of thioacetamide
For 1:2, it is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, is centrifuged, is filtered, washed, 60 in vacuum oven
DEG C be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
Embodiment 2
The glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle and is obtained in 180 DEG C of 8 h of hydro-thermal reaction
Carbon ball disperses the obtained carbon ball of 300 g in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;By molar concentration
For the SnCl of 0.01 mol/L4·5H2In the carbon ball dispersion liquid that O solution is added to, transfer in water-bath in 35 DEG C
Be transferred in hydrothermal reaction kettle after stirring 2 h, in 180 DEG C of 10 h of hydro-thermal reaction, cooled to room temperature, through centrifugation, washing,
C@SnO is obtained after drying2;The C@SnO that will be obtained2Hollow C@SnO is obtained in 450 DEG C of 1 h of calcining in air atmosphere2;By sulphur
The hollow C@SnO being added to for acetamide2Aqueous dispersions in, wherein C@SnO2With the molar ratio of thioacetamide
For 1:3, it is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, is centrifuged, is filtered, washed, 60 in vacuum oven
DEG C be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
Embodiment 3
The glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle and is obtained in 180 DEG C of 8 h of hydro-thermal reaction
Carbon ball disperses the obtained carbon ball of 300 g in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;By molar concentration
For the SnCl of 0.01 mol/L4·5H2In the carbon ball dispersion liquid that O solution is added to, transfer in water-bath in 50 DEG C
Be transferred in hydrothermal reaction kettle after stirring 2 h, in 180 DEG C of 10 h of hydro-thermal reaction, cooled to room temperature, through centrifugation, washing,
C@SnO is obtained after drying2;The C@SnO that will be obtained2Hollow C@SnO is obtained in 400 DEG C of 2 h of calcining in air atmosphere2;By sulphur
The hollow C@SnO being added to for acetamide2Aqueous dispersions in, wherein C@SnO2With the molar ratio of thioacetamide
For 1:6, it is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, is centrifuged, is filtered, washed, 60 in vacuum oven
DEG C be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
Embodiment 4
The glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle and is obtained in 180 DEG C of 8 h of hydro-thermal reaction
Carbon ball disperses the obtained carbon ball of 300 g in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;By molar concentration
For the SnCl of 0.01 mol/L4·5H2In the carbon ball dispersion liquid that O solution is added to, transfer in water-bath in 35 DEG C
Be transferred in hydrothermal reaction kettle after stirring 2 h, in 180 DEG C of 10 h of hydro-thermal reaction, cooled to room temperature, through centrifugation, washing,
C@SnO is obtained after drying2;The C@SnO that will be obtained2Hollow C@SnO is obtained in 400 DEG C of 2 h of calcining in air atmosphere2;By sulphur
The hollow C@SnO being added to for acetamide2Aqueous dispersions in, wherein C@SnO2With the molar ratio of thioacetamide
For 1:1, it is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, is centrifuged, is filtered, washed, 60 in vacuum oven
DEG C be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
Embodiment above describes basic principles and main features of the invention and advantage, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (1)
1. high efficiency photocatalysis restore Cr(VI) hollow ball-shape C@SnO2@SnS2The preparation method of ternary complex, it is characterised in that
Specific steps are as follows:
Step S1: the glucose solution that molar concentration is 0.5 mol/L is placed in hydrothermal reaction kettle in 180 DEG C of hydro-thermal reactions 8
H obtains carbon ball, disperses obtained carbon ball in deionized water, and ultrasonic disperse uniformly obtains carbon ball dispersion liquid;
Step S2: the SnCl for being 0.01 mol/L by molar concentration4·5H2O solution is added to the carbon ball dispersion liquid that step S1 is obtained
In, it transfers in water-bath and is transferred in hydrothermal reaction kettle after 25-50 DEG C of 2 h of stirring, in 180 DEG C of hydro-thermal reactions 10
H, cooled to room temperature obtain C@SnO after centrifugation, washing, drying2;
Step S3: the C@SnO that step S2 is obtained2Hollow C@is obtained in 350-450 DEG C of calcining 1-3 h in air atmosphere
SnO2;
Step S4: thioacetamide is added to the hollow C@SnO that step S3 is obtained2Aqueous dispersions in, wherein C@SnO2With sulphur
Molar ratio for acetamide is 1:1-6, is transferred in hydrothermal reaction kettle in 180 DEG C of 10 h of hydro-thermal reaction, through centrifugation, mistake
Filter, wash, be dried to obtain high efficiency photocatalysis reduction Cr(VI) hollow ball-shape C@SnO2@SnS2Ternary complex.
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CN111589456A (en) * | 2020-03-09 | 2020-08-28 | 浙江理工大学 | Carbon fiber cloth @ SnO2@SnS2Heterojunction and method for manufacturing the same |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111589456A (en) * | 2020-03-09 | 2020-08-28 | 浙江理工大学 | Carbon fiber cloth @ SnO2@SnS2Heterojunction and method for manufacturing the same |
CN111589456B (en) * | 2020-03-09 | 2023-04-14 | 浙江理工大学 | Carbon fiber cloth @ SnO 2 @SnS 2 Heterojunction and method for manufacturing the same |
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