CN109999853A - A kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material - Google Patents
A kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material Download PDFInfo
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- CN109999853A CN109999853A CN201910314561.1A CN201910314561A CN109999853A CN 109999853 A CN109999853 A CN 109999853A CN 201910314561 A CN201910314561 A CN 201910314561A CN 109999853 A CN109999853 A CN 109999853A
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- Prior art keywords
- biocl
- composite photocatalyst
- photocatalyst material
- high activity
- mixed
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- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000460 chlorine Substances 0.000 claims abstract description 31
- 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 abstract description 12
- 239000008103 glucose Substances 0.000 claims abstract description 12
- AHUBLGVDRKDHAT-UHFFFAOYSA-N [Bi]=O.[Cl] Chemical compound [Bi]=O.[Cl] AHUBLGVDRKDHAT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000011812 mixed powder Substances 0.000 claims abstract description 7
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000010792 warming Methods 0.000 claims abstract description 7
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract 2
- 239000002245 particle Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 229920002307 Dextran Polymers 0.000 abstract description 2
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 6
- 229940043267 rhodamine b Drugs 0.000 description 6
- 230000001699 photocatalysis Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 4
- 238000000862 absorption spectrum Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229940073609 bismuth oxychloride Drugs 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- B01J27/06—Halogens; Compounds thereof
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material belongs to the synthesis technical field of photoelectric material.Technical solution of the present invention main points are as follows: by the ratio mixing of 7:5 in molar ratio of bismuth oxygen chlorine and glucose and ground and mixed is not uniformly until observe apparent dextran particles, mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace, 500-600 DEG C of sintering 60-120min is warming up to the heating rate of 5 DEG C/min, it cools to room temperature with the furnace, takes out sintered product and be fully ground to obtain high activity BiOCl/Bi24O31Cl10Composite photocatalyst material.Preparation process simple possible of the present invention, synthesis cycle is relatively short, target product BiOCl/Bi obtained24O31Cl10Composite photocatalyst material has potential application in field of photovoltaic materials.
Description
Technical field
The invention belongs to the synthesis technical fields of photoelectric material, and in particular to a kind of BiOCl/Bi of high activity24O31Cl10
The preparation method of composite photocatalyst material.
Background technique
China's bismuth is resourceful, and for annual output up to more than 6000 tons, application is very extensive in recent years.Bismuth oxychloride (BiOCl)
As a kind of novel photocatalysis material, unique layer structure and electronic property show excellent photocatalysis performance, and
The fields such as the energy, environmental protection, chemical industry, material have potential application prospect.It is reported that Bi24O31Cl10With BiOCl it is compound after can
Obtain excellent photoelectric properties and photocatalysis performance (Liu, XY (Liu, Xiaoyan);Su, YG(Su, Yiguo);Zhao,
QH (Zhao, Qihang), et al.Scientific Reports, 2016,6:28689), however preparation side reported in the literature
Method is all to directly generate to obtain BiOCl/Bi24O31Cl10Composite material can not carry out composite lifting for the BiOCl generated
Performance, therefore, the present invention devise one kind and prepare high activity BiOCl/Bi on the basis of BiOCl24O31Cl10Composite photocatalyst material
The method of material.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of high activity BiOCl/ that photocatalytic activity significantly improves
Bi24Cl10O31The preparation method of composite photocatalyst material.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of high activity BiOCl/Bi24O31Cl10It is multiple
The preparation method of light combination catalysis material, it is characterised in that specific steps are as follows: by the ratio of bismuth oxygen chlorine and glucose 7:5 in molar ratio
It mixes and ground and mixed is not uniformly up to observing apparent dextran particles, the mixed-powder after being fully ground is poured into crucible
In be placed in Muffle furnace 500-600 DEG C of sintering 60-120min be warming up to the heating rate of 5 DEG C/min, cool to room with the furnace
Temperature takes out sintered product and is fully ground to obtain high activity BiOCl/Bi24O31Cl10Composite photocatalyst material.
Preparation process simple possible of the present invention, synthesis cycle is shorter, target product BiOCl/Bi obtained24O31Cl10It is compound
Catalysis material has potential application in field of photovoltaic materials.
Detailed description of the invention
Fig. 1 is that sample powder product BiOCl/Bi is made in embodiment 124O31Cl10XRD diagram；
Fig. 2 is that sample powder product BiOCl/Bi is made in embodiment 124O31Cl10Local XRD diagram；
Fig. 3 is that powder-product BiOCl/Bi is made in embodiment 124O31Cl10The abosrption spectrogram of photocatalytic degradation rhodamine B solution；
Fig. 4 is that sample products BiOCl/Bi is made in embodiment 124O31Cl10Composite material and pure BiOCl rhodamine B degradation concentration with
The change curve comparison diagram of time；
Fig. 5 is that sample powder product BiOCl/Bi is made in embodiment 124O31Cl10The powder UV, visible light of composite material and BiOCl
Optical absorption spectra figure.
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
0.2024g bismuth oxygen chlorine is mixed with 0.1000g glucose and ground and mixed is not uniformly until observe apparent glucose
Particle, the mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace is warming up to the heating rate of 5 DEG C/min
500 DEG C of sintering 60min, cool to room temperature with the furnace, take out sintered product and are fully ground to obtain high activity BiOCl/
Bi24O31Cl10Composite photocatalyst material.
Embodiment 2
0.2024g bismuth oxygen chlorine is mixed with 0.1000g glucose and ground and mixed is not uniformly until observe apparent glucose
Particle, the mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace is warming up to the heating rate of 5 DEG C/min
500 DEG C of sintering 120min, cool to room temperature with the furnace, take out sintered product and are fully ground to obtain high activity BiOCl/
Bi24O31Cl10Composite photocatalyst material.
Embodiment 3
0.2024g bismuth oxygen chlorine is mixed with 0.1000g glucose and ground and mixed is not uniformly until observe apparent glucose
Particle, the mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace is warming up to the heating rate of 5 DEG C/min
600 DEG C of sintering 60min, cool to room temperature with the furnace, take out sintered product and are fully ground to obtain high activity BiOCl/
Bi24O31Cl10Composite photocatalyst material.
Embodiment 4
0.2024g bismuth oxygen chlorine is mixed with 0.1000g glucose and ground and mixed is not uniformly until observe apparent glucose
Particle, the mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace is warming up to the heating rate of 5 DEG C/min
600 DEG C of sintering 120min, cool to room temperature with the furnace, take out sintered product and are fully ground to obtain high activity BiOCl/
Bi24O31Cl10Composite photocatalyst material.
X-ray diffraction test is carried out to product obtained in above-mentioned 4 embodiments respectively, as shown in Figure 1, embodiment 1
The BiOCl/Bi arrived24O31Cl10The X-ray diffraction peak of composite photocatalyst material includes the corresponding diffraction maximum of BiOCl (JCPDS 73-
And Bi 2060)24O31Cl10(JCPDS 75-0887) corresponding diffraction maximum.In order to which finer analysis XRD is as a result, by complex light
It is amplified within the scope of 20-40 ° in the XRD spectrum of catalysis material, as shown in Fig. 2, obviously being seen in composite photocatalyst material map
Two class diffraction maximums are observed, BiOCl and Bi are respectively belonging to24O31Cl10, therefore 1 product form ingredient of embodiment is BiOCl/
Bi24O31Cl10.Same analysis method analyzes example 2,3,4, the results showed that the constituent in three examples is
BiOCl/Bi24O31Cl10, consistent with embodiment 1；(ultraviolet light is filtered added with optical filter) under the irradiation of 300W xenon lamp, test compound
The activity of material and pure BiOCl sample photocatalytic degradation rhodamine B, Fig. 3 BiOCl/Bi24O31Cl10Composite photocatalyst material can
The absorption spectrum of light-exposed catalytic degradation rhodamine B solution changes over time curve graph, Fig. 4 BiOCl/Bi24O31Cl10Complex light
Catalysis material and BiOCl visible light photocatalytic degradation rhodamine B concentration versus time curve comparison diagram, as seen from the figure, this sample
Product are substantially better than BiOCl to rhodamine B photocatalytic degradation efficiency.Fig. 5 is BiOCl/Bi24O31Cl10It is visible with the powder of BiOCl
Optical absorption spectra, compared with BiOCl, BiOCl and Bi24O31Cl10After compound, have within the scope of 400-460nm light wave to visible light
It absorbs, this may be the reason of promoting photocatalytic activity to be promoted.
Embodiment above describes basic principles and main features of the invention, It should be understood by those skilled in the art that this
Invention is not restricted to the described embodiments, and the above embodiments and description only illustrate the principle of the present invention, not
It is detached under the range of the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements each fall within the present invention
In the range of protection.
Claims (1)
1. a kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material, it is characterised in that specific steps are as follows:
By the ratio mixing of 7:5 in molar ratio of bismuth oxygen chlorine and glucose and ground and mixed is not uniformly until observe apparent glucose
Grain, the mixed-powder after being fully ground is poured into crucible to be placed in Muffle furnace is warming up to the heating rate of 5 DEG C/min
500-600 DEG C of sintering 60-120min, cools to room temperature with the furnace, takes out sintered product and is fully ground to obtain high activity
BiOCl/Bi24O31Cl10Composite photocatalyst material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314561.1A CN109999853A (en) | 2019-04-18 | 2019-04-18 | A kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314561.1A CN109999853A (en) | 2019-04-18 | 2019-04-18 | A kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material |
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| CN109999853A true CN109999853A (en) | 2019-07-12 |
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| CN201910314561.1A Pending CN109999853A (en) | 2019-04-18 | 2019-04-18 | A kind of high activity BiOCl/Bi24O31Cl10The preparation method of composite photocatalyst material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669308A (en) * | 2022-04-01 | 2022-06-28 | 哈尔滨理工大学 | BiOCl/Bi preparation by means of electrochemical method in-situ reaction24O31Cl10Method for compounding powder |
| CN115532288A (en) * | 2022-09-27 | 2022-12-30 | 衢州学院 | Bi 24 O 31 Cl 10 Preparation method and application of/BiOCl material |
| CN115770593A (en) * | 2022-11-11 | 2023-03-10 | 河海大学 | Preparation method of carbon-doped iron oxychloride composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159274A (en) * | 2017-04-27 | 2017-09-15 | 武汉纺织大学 | The preparation method and obtained photochemical catalyst of a kind of BiOCl photochemical catalysts and its application |
| CN109225280A (en) * | 2018-10-08 | 2019-01-18 | 西南石油大学 | A kind of tri compound visible light catalyst and its preparation method and application |
-
2019
- 2019-04-18 CN CN201910314561.1A patent/CN109999853A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159274A (en) * | 2017-04-27 | 2017-09-15 | 武汉纺织大学 | The preparation method and obtained photochemical catalyst of a kind of BiOCl photochemical catalysts and its application |
| CN109225280A (en) * | 2018-10-08 | 2019-01-18 | 西南石油大学 | A kind of tri compound visible light catalyst and its preparation method and application |
Non-Patent Citations (2)
| Title |
|---|
| LIANG WANG ETC.: "A dye-sensitized visible light photocatalyst- Bi24O31Cl10", <SCIENTIFIC REPORTS> * |
| XIAOYAN LIU ET.: "Constructing Bi24O31Cl10/BiOCl heterojunction via a simple thermal annealing route for achieving enhanced photocatalytic activity and selectivity", 《SCIENTIFIC REPORTS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669308A (en) * | 2022-04-01 | 2022-06-28 | 哈尔滨理工大学 | BiOCl/Bi preparation by means of electrochemical method in-situ reaction24O31Cl10Method for compounding powder |
| CN115532288A (en) * | 2022-09-27 | 2022-12-30 | 衢州学院 | Bi 24 O 31 Cl 10 Preparation method and application of/BiOCl material |
| CN115532288B (en) * | 2022-09-27 | 2023-08-11 | 衢州学院 | Bi (Bi) 24 O 31 Cl 10 Preparation method and application of BiOCl material |
| CN115770593A (en) * | 2022-11-11 | 2023-03-10 | 河海大学 | Preparation method of carbon-doped iron oxychloride composite material |
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Application publication date: 20190712 |