CN110368958A - A kind of γ-Fe2O3With the preparation method of indium sulfide zinc composite photocatalyst material - Google Patents
A kind of γ-Fe2O3With the preparation method of indium sulfide zinc composite photocatalyst material Download PDFInfo
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- CN110368958A CN110368958A CN201910586989.1A CN201910586989A CN110368958A CN 110368958 A CN110368958 A CN 110368958A CN 201910586989 A CN201910586989 A CN 201910586989A CN 110368958 A CN110368958 A CN 110368958A
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- indium sulfide
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- 239000000463 material Substances 0.000 title claims abstract description 34
- YYKKIWDAYRDHBY-UHFFFAOYSA-N [In]=S.[Zn] Chemical compound [In]=S.[Zn] YYKKIWDAYRDHBY-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 16
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 230000001699 photocatalysis Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000011065 in-situ storage Methods 0.000 claims abstract description 5
- 238000007146 photocatalysis Methods 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 54
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 22
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 18
- 229910001566 austenite Inorganic materials 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 10
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 235000005074 zinc chloride Nutrition 0.000 claims description 8
- 239000011592 zinc chloride Substances 0.000 claims description 8
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- JKXCZYCVHPKTPK-UHFFFAOYSA-N hydrate;trihydrochloride Chemical compound O.Cl.Cl.Cl JKXCZYCVHPKTPK-UHFFFAOYSA-N 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 abstract description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 16
- 238000006555 catalytic reaction Methods 0.000 abstract description 8
- 235000019441 ethanol Nutrition 0.000 abstract description 8
- 239000004065 semiconductor Substances 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 239000008367 deionised water Substances 0.000 abstract description 2
- 229910021641 deionized water Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract description 2
- 239000012429 reaction media Substances 0.000 abstract 1
- 239000013077 target material Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 24
- 238000005119 centrifugation Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 229940044631 ferric chloride hexahydrate Drugs 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- KYCHGXYBBUEKJK-UHFFFAOYSA-K indium(3+);trichloride;hydrate Chemical compound O.Cl[In](Cl)Cl KYCHGXYBBUEKJK-UHFFFAOYSA-K 0.000 description 5
- 239000011651 chromium Substances 0.000 description 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 2
- PSCMQHVBLHHWTO-UHFFFAOYSA-K indium(iii) chloride Chemical compound Cl[In](Cl)Cl PSCMQHVBLHHWTO-UHFFFAOYSA-K 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052961 molybdenite Inorganic materials 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 description 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material 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
-
- 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
- B01J27/043—Sulfides with iron group metals or platinum group metals
-
- B01J35/33—
-
- B01J35/39—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- 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
-
- 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
Abstract
The invention discloses a kind of γ-Fe2O3With the preparation method of indium sulfide zinc composite photocatalyst material.Its key problem in technology is the nanometer Zn In obtained using scene2S4For main photochemical catalyst, γ-Fe2O3For assisted photo-catalysis, in-situ synchronization reacts to obtain target material.Advantage are as follows: (1) compound semiconductor photocatalytic material has magnetism, is all easily recycled in entire reaction process, simplifies the operational sequence of post-processing；(2) reaction condition of compound semiconductor photocatalytic material building is simple, and low for equipment requirements, preparation method is simple；(3) catalytic effect of other catalysis materials of the more existing open report of the compound semiconductor photocatalytic material prepared is obviously improved；(4) using deionized water, glycerol, ethyl alcohol as reaction medium, environmental-friendly and easy industry amplification.
Description
One technical field
The present invention relates to field of nanocomposite materials, and in particular to a kind of γ-Fe2O3With indium sulfide zinc composite photocatalyst material
The preparation method of material.
Two background techniques
The features such as the industrial wastewater containing hexavalent chromium is big with discharge amount, difficult to degrade, content of organics is high are controlled as waste water
Difficult point in science and engineering skill.Photocatalitic Technique of Semiconductor is as a kind of water process skill with broad prospect of application efficiently, green
Art is increasingly subject to attention (LIU Zi-li, LIU Hong-wei, the LI Ru.Photocatalytic reduction of people
of waste water containing Cr(VI)byphotocatalyst Cu2O[J].J Chem Eng of Chinese
Univ, 2007,21 (1): 88-92.) (Xu Y H, Liang D H, Liu M L, et al.Preparation and
characterization of Cu2O-TiO2: efficient photocatalytic degradation of
Methyleneblue [J] .Mater Res Bull, 2008,43 (12): 3474-3482.).In many conductor photocatalysis materials
In material, nanometer Zn In2S4Due to its is high-efficient, low energy consumption, it is at low cost, have a wide range of application and the features such as secondary pollution is few in light
Catalytic field has broad application prospects (Zhixin Chen, Danzhen Li, Wenjuan Zhang, et
al.Photocatalytic Degradation of Dyes by ZnIn2S4 Microspheres under Visible
Light Irradiation [J] .Journal of Physical Chemistry C, 2009,113:4433-4440.).ZnS
Coat ZnIn2S4Production hydrogen (Yuexiang Li, Jianxia Wang, Shaoqin Peng, et can photocatalytically be carried out
al.Photocatalytic hydrogen generation in the presence of glucose over ZnS-
coated ZnIn2S4 under visible light irradiation[J].International Journal of
Hydrogen Energy, 2010,35:7116-7126.), ZnIn2S4It can be with MoS2Progress Photocatalyzed Hydrogen Production (Liang Wei,
Yongjuan Chen, Yiping Lin, et al.MoS2as non-noble-metal co-catalyst for
photocatalytic hydrogen evolution over hexagonal ZnIn2S4under visible light
Irradiations [J] .Applied Catalysis B Environmental, 2014,144:521-527.).But mesh
It is preceding not to γ-Fe2O3It is studied with indium sulfide zinc composite photocatalyst material.And γ-Fe2O3/ZnIn2S4With it is magnetic, be easy to point
From and it is recyclable often the advantages of.
Three summary of the invention
It is an object of the invention to propose a kind of γ-Fe2O3With the preparation method of indium sulfide zinc composite photocatalyst material.
The technical solution for realizing the aim of the invention is as follows: γ-Fe2O3With the preparation of indium sulfide zinc composite photocatalyst material
Method, key technology are the nanometer Zn In obtained using scene2S4For main photochemical catalyst, γ-Fe2O3For assisted photo-catalysis,
Prepared, is compound, separated and etc., in-situ synchronization reacts to obtain γ-Fe2O3/ZnIn2S4Composite photocatalyst material, process
Including following reaction step:
Step 1) is by a certain amount of Iron trichloride hexahydrate (FeCl3·6H2O it) is dissolved in ethylene glycol and stirs certain time；
A certain amount of sodium hydroxide is added to the water to obtain its aqueous solution by step 2), is added drop-wise in step 1), continues to stir
It mixes spare after a certain period of time；
Mixed liquor obtained by step 2) is transferred in hydrothermal reaction kettle by step 3), and certain time is reacted under certain temperature, is centrifuged
Washing, dry certain time, is made γ-Fe under certain temperature2O3；
Step 4) takes γ-Fe made from different quality containing step 3)2O3With a certain amount of zinc chloride, four trichloride hydrates
In hydrothermal reaction kettle, reaction in-situ obtains γ-Fe for indium and thioacetamide2O3/ indium sulfide zinc composite material；
2, a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material,
It is characterized in that:
In step (1), reaction temperature is 160 DEG C, time 12h.
In step 1) of the invention, Iron trichloride hexahydrate quality is 0.2-0.3g, and ethylene glycol volume is 10ml, and mixing time is
30min。
In step 2) of the invention, sodium hydrate aqueous solution 5mol/L, mixing time 30min.
In step 2) of the invention, ethylene glycol: water 1: 1-2: 1.
In step 3) of the invention, the reaction temperature in reaction kettle is 150-180 DEG C, reaction time 8-14h, dry temperature
Degree is 180-200 DEG C, time 10-12h.
In step 4) of the invention, γ-Fe2O3Mass fraction be 5-20wt%, reaction temperature is in hydrothermal reaction kettle
180 DEG C, reaction time 12h.
Compared with prior art, the present invention advantage are as follows: (1) compound semiconductor photocatalytic material has magnetism, entire anti-
It should all be easily recycled in the process, simplify the operational sequence of post-processing；(2) compound semiconductor photocatalytic material constructs
Reaction condition is simple, low for equipment requirements, and preparation method is simple；(3) the more existing public affairs of compound semiconductor photocatalytic material prepared
The catalytic effect for opening other catalysis materials of report is obviously improved；(4) reaction is using deionized water, glycerol, ethyl alcohol as anti-
Medium is answered, process safety is steady, and the flames of anger, smog generate, three-waste free discharge, environmental-friendly and easy industry amplification.
Four specific embodiments
The present invention will be further described for the following examples, and the purpose is to can be best understood from the contents of the present invention.But
It is that embodiment does not limit the scope of the invention in any way.The technical staff of this professional domain is in scope of the invention as claimed
The modifications and adaptations inside made also should belong to right and protection scope of the invention.
Embodiment 1
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 2: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 12h at 160 DEG C.After cooling, washing centrifugation in 200 DEG C of dry 12h, is obtained
γ-Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra-
It in trichloride hydrate indium and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained
It closes solution to be transferred in hydrothermal reaction kettle, 12h is reacted at 180 DEG C, prepare 5wt%, 10wt%, 15wt%, the light of 20wt%
Catalysis material.
Embodiment 2
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 2: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 14h at 150 DEG C.After cooling, washing centrifugation in 200 DEG C of dry 12h, is obtained
γ-Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra-
It in trichloride hydrate indium and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained
It closes solution to be transferred in hydrothermal reaction kettle, 12h is reacted at 180 DEG C, prepare 5wt%, 10wt%, 15wt%, the light of 20wt%
Catalysis material.
Embodiment 3
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 2: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 10h at 170 DEG C.After cooling, washing centrifugation in 200 DEG C of dry 12h, is obtained
γ-Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra-
It in trichloride hydrate indium and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained
It closes solution to be transferred in hydrothermal reaction kettle, 12h is reacted at 180 DEG C, prepare 5wt%, 10wt%, 15wt%, the light of 20wt%
Catalysis material.
Embodiment 4
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 2: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 8h at 180 DEG C.After cooling, washing centrifugation in 200 DEG C of dry 12h, obtains γ-
Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra- is hydrated
It in indium trichloride and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained molten
Liquid is transferred in hydrothermal reaction kettle, and 12h is reacted at 180 DEG C, prepares 5wt%, 10wt%, 15wt%, the photocatalysis of 20wt%
Material.
Embodiment 5
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 2: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 12h at 160 DEG C.After cooling, washing centrifugation in 180 DEG C of dry 10h, is obtained
γ-Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra-
It in trichloride hydrate indium and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained
It closes solution to be transferred in hydrothermal reaction kettle, 12h is reacted at 180 DEG C, prepare 5wt%, 10wt%, 15wt%, the light of 20wt%
Catalysis material.
Embodiment 6
It weighs 0.25g ferric chloride hexahydrate to be dissolved in 10mL ethylene glycol solution, stirs 30min.By configured 5mol/
The sodium hydrate aqueous solution of L is slowly dropped in above-mentioned solution, and the ratio of ethylene glycol and water is 1: 1, stirs 30min.After will mix
It closes solution to be transferred in hydrothermal reaction kettle, reacts 12h at 160 DEG C.After cooling, washing centrifugation in 200 DEG C of dry 12h, is obtained
γ-Fe2O3.Based on 1mmol indium sulfide zinc, the γ-Fe of different quality is weighed2O3, it is added to 0.2g zinc chloride, 0.6g tetra-
It in trichloride hydrate indium and 0.3g thioacetamide, and is dissolved in 5mL glycerol and 15mL ethyl alcohol, ultrasonic 30min mixes gained
It closes solution to be transferred in hydrothermal reaction kettle, 12h is reacted at 180 DEG C, prepare 5wt%, 10wt%, 15wt%, the light of 20wt%
Catalysis material.
Embodiment 7
The product 20mg for using embodiment 1 to obtain restores 100mL 20ppm Cr under xenon lamp irradiation as photochemical catalyst
(VI), Cr (VI) removal rate is greater than 99% after 60min.
Claims (6)
1. a kind of γ-Fe2O3With the preparation method of indium sulfide zinc composite photocatalyst material, it is characterised in that: obtained using scene
Nanometer Zn In2S4For main photochemical catalyst, γ-Fe2O3It is in situ same through preparation, compound, separation for assisted photo-catalysis
Step reaction obtains γ-Fe2O3/ZnIn2S4Composite photocatalyst material, process are as follows:
Step 1) is by a certain amount of Iron trichloride hexahydrate (FeCl3·6H2O it) is dissolved in ethylene glycol and to stir certain time spare；
A certain amount of sodium hydroxide is added to the water to obtain its aqueous solution by step 2), is added drop-wise in step 1), continues stirring one
It is spare after fixing time；
Mixed liquor obtained by step 2) is transferred in hydrothermal reaction kettle by step 3), reacts certain time under certain temperature, centrifuge washing,
Dry certain time, is made γ-Fe under certain temperature2O3It is spare；
Step 4) takes γ-Fe made from different quality containing step 3)2O3With a certain amount of zinc chloride, four trichloride hydrate indiums and
For thioacetamide in hydrothermal reaction kettle, reaction in-situ obtains γ-Fe2O3/ indium sulfide zinc composite material.
2. a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material, feature
Be: in step 1), Iron trichloride hexahydrate quality is 0.2-0.3g, and ethylene glycol volume is 10ml, mixing time 30min.
3. a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material, feature
It is: in step 2), sodium hydrate aqueous solution 5mol/L, mixing time 30min.
4. a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material, feature
It is: in step 2), ethylene glycol: water 1: 1-2: 1.
5. a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material, feature
Be: in step 3), the reaction temperature in reaction kettle is 150-180 DEG C, reaction time 8-14h, drying temperature 180-200
DEG C, time 10-12h.
6. a kind of γ-Fe according to claim 12O3With the preparation method of indium sulfide zinc composite photocatalyst material, feature
It is: in step 4), γ-Fe2O3Mass fraction be 5-20wt%, reaction temperature is 180 DEG C in hydrothermal reaction kettle, when reaction
Between be 12h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961121A (en) * | 2019-11-26 | 2020-04-07 | 江苏大学 | Z-type photocatalyst, preparation method and application |
| CN111437835A (en) * | 2020-03-03 | 2020-07-24 | 常州大学 | ZnIn2S4@Fe2O3/Fe3O4Preparation method of composite photocatalyst |
| CN111974420A (en) * | 2020-09-18 | 2020-11-24 | 浙江理工大学 | MnFe2O4@MoxSn1-xS2Magnetic catalytic material and preparation method thereof |
| CN114130408A (en) * | 2021-12-17 | 2022-03-04 | 永高股份有限公司 | Z-type alpha-Fe2O3/ZnIn2S4Preparation method and application of composite photocatalyst |
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| CN110961121A (en) * | 2019-11-26 | 2020-04-07 | 江苏大学 | Z-type photocatalyst, preparation method and application |
| CN110961121B (en) * | 2019-11-26 | 2022-10-28 | 江苏大学 | Z-type photocatalyst, preparation method and application |
| CN111437835A (en) * | 2020-03-03 | 2020-07-24 | 常州大学 | ZnIn2S4@Fe2O3/Fe3O4Preparation method of composite photocatalyst |
| CN111437835B (en) * | 2020-03-03 | 2022-03-11 | 常州大学 | ZnIn2S4@Fe2O3/Fe3O4Preparation method of composite photocatalyst |
| CN111974420A (en) * | 2020-09-18 | 2020-11-24 | 浙江理工大学 | MnFe2O4@MoxSn1-xS2Magnetic catalytic material and preparation method thereof |
| CN114130408A (en) * | 2021-12-17 | 2022-03-04 | 永高股份有限公司 | Z-type alpha-Fe2O3/ZnIn2S4Preparation method and application of composite photocatalyst |
| WO2023108950A1 (en) * | 2021-12-17 | 2023-06-22 | 公元股份有限公司 | PREPARATION METHOD FOR Z-SCHEME α-FE2O3/ZNIN2S4 COMPOSITE PHOTOCATALYST AND USE THEREOF |
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