CN105478125A - 一种磁性二氧化锡纳米复合材料的制备方法 - Google Patents
一种磁性二氧化锡纳米复合材料的制备方法 Download PDFInfo
- Publication number
- CN105478125A CN105478125A CN201510808035.2A CN201510808035A CN105478125A CN 105478125 A CN105478125 A CN 105478125A CN 201510808035 A CN201510808035 A CN 201510808035A CN 105478125 A CN105478125 A CN 105478125A
- Authority
- CN
- China
- Prior art keywords
- preparation
- magnetic
- particle
- nano
- nanocomposite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 17
- 239000002105 nanoparticle Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 7
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims abstract description 7
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 7
- 239000001632 sodium acetate Substances 0.000 claims abstract description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004202 carbamide Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims abstract description 4
- 239000011259 mixed solution Substances 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000013019 agitation Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- IOUCSUBTZWXKTA-UHFFFAOYSA-N dipotassium;dioxido(oxo)tin Chemical compound [K+].[K+].[O-][Sn]([O-])=O IOUCSUBTZWXKTA-UHFFFAOYSA-N 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 238000004729 solvothermal method Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 8
- 238000001291 vacuum drying Methods 0.000 description 8
- 238000011049 filling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910009053 Sn—O—Sn Inorganic materials 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 methyl orange Drugs 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229910017135 Fe—O Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- KHMOASUYFVRATF-UHFFFAOYSA-J tin(4+);tetrachloride;pentahydrate Chemical compound O.O.O.O.O.Cl[Sn](Cl)(Cl)Cl KHMOASUYFVRATF-UHFFFAOYSA-J 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000007704 wet chemistry method Methods 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/835—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with germanium, tin or lead
-
- 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
- B01J35/33—Electric or magnetic 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
- B01J35/30—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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Compounds Of Iron (AREA)
- Catalysts (AREA)
Abstract
本发明提供了一种磁性二氧化锡纳米复合材料的制备方法,首先采用六水合三氯化铁、乙酸钠作为原料,在乙二醇溶液中进行溶剂热反应制备出四氧化三铁纳米粒子;然后以制备的四氧化三铁纳米粒子、三水合锡酸钾、尿素作为原料,在乙醇与水的混合液中进行水热反应制备了Fe3O4SnO2纳米复合材料。该材料粒径约为50?~?350nm。本发明采用的方法简单易行,成本较低,制备的材料结晶度高,形貌良好,且具有较高的比表面积。制备的磁性复合材料具有较好的光芬顿催化性能且因为具有磁性很容易回收再利用。
Description
技术领域
本发明涉及一种纳米复合材料的制备方法,尤其涉及一种高光芬顿催化活性磁性二氧化锡复合材料的制备方法。
背景技术
二氧化锡纳米粒子作为当今社会最具应用前景的半导体纳米材料之一,凭借其较小的尺寸、高的表面积与体积比、高选择性、极好的稳定性以及较低的成本等特性使其在气敏传感器、光催化、锂离子电池及太阳能电池等领域具有较为广泛的应用前景。此外,二氧化锡纳米粒子还具有耐高温、耐酸碱、传热性好等优点。通过适宜的合成方法将二氧化锡与四氧化三铁混合使其具有磁性有利于材料的回收再利用,磁性的二氧化锡纳米复合材料由于四氧化三铁与二氧化锡的协同作用展现出了较高的光芬顿催化活性。
目前文献中已报道的复合材料的制备方法主要是湿化学法,如水热法、共沉淀法、溶胶-凝胶法、微乳液法等,这些方法对设备要求较低,且成本相对较低,从而使其易用于制备光芬顿活性较高的材料。其中水热法由于具有反应时间短,操作简便,有利于实现产品的工业化生产等优点,并且可以通过改变温度、时间、溶剂等参数从而的到不同形貌结构的产物。
文献[1]AgreenandnovelapproachforthesynthesisofSnO2nanoparticlesanditsexploitationasacatalystinthedegradationofmethyleneblueundersolarradiation,MaterialsLetters,2015,145:74-78中采用共沉淀法制备了球状二氧化锡纳米粒子,此法操作简单,成本较低,利于工业化生产,但制备的材料团聚现象严重。
文献[2]PorousFe3O4/SnO2core/shellnanorods:synthesisandelectromagneticproperties,TheJournalofPhysicalChemistryC,2009,113(23):10061-10064制备了直径约为80纳米的Fe3O4/SnO2核壳结构纳米棒,其中该材料具有良好的结晶度及形貌,但该方法制备过程复杂,产率低,成本较高,不利于工业化生产。
因此,需要采用一种新技术解决上述问题。
发明内容
本发明的目的是为了提供一种磁性的二氧化锡复合材料的制备方法,该材料具有良好的光芬顿催化活性,是一种较好的光芬顿催化剂。
本发明的操作步骤如下:
(1)将六水合三氯化铁,乙酸钠以及表面活性剂在乙二醇溶液中进行水热反应,得到不同形貌及粒径的四氧化三铁纳米粒子;
(2)将制备的四氧化三铁纳米粒子在无水乙醇和水的混合溶液中超声分散一段时间使其颗粒更分散;
(3)在分散溶液中加入一定量的三水合锡酸钾以及尿素,机械搅拌一定时间,将其转入到水热反应釜中,在一定温度下水热反应一段时间,将所得的产物洗涤,分离,干燥即可得到所需的Fe3O4SnO2纳米复合材料。
其中,采用的表面活性剂为聚乙二醇,聚乙烯吡咯烷酮以及柠檬酸钠,产物洗涤分离过程中采用水洗3~5次,醇洗3~5次,机械搅拌约为10~20分钟。
本发明所述的四氧化三铁纳米粒子制备过程中,反应温度为180℃~220℃,反应时间为8~12小时。
本发明所述的四氧化三铁纳米粒子制备过程中,所用的表面活性剂的浓度约为12~50mg/L。
本发明所述Fe3O4SnO2纳米复合材料的反应温度为160℃~180℃,反应时间为12~24小时。
本发明所制备的Fe3O4SnO2即复合材料四氧化三铁与二氧化锡的复合比例约为1:1~1:3。
对制备得到的产物进行如下表征:
测得红外谱图见图1,由图1可见此曲线在波长范围为3100~3400cm-1处同样有一个较宽的峰,此峰对应的是复合材料表面羟基的伸缩的振动,在波长分别为576cm-1和667cm-1处具有两个对称的的峰对应的Sn-O-Sn振动,至于Fe-O键振动的峰可能是与Sn-O-Sn振动的峰位置很接近从而被掩盖了。
X射线衍射分析仪的结果见图2,由图2可见在衍射角2θ=31.2o、36.8o、44.7o、55.6o、59.3o、65.2o处的衍射峰与四氧化三铁(PDF#26-1136)的(220)、(311)、(400)、(422)、(511)和(440)面的衍射峰相对应,可见该复合材料含有四氧化三铁;与此同时在衍射角2θ=26o、33o、51o处具有明显的衍射峰与金红石结构的二氧化锡相对应,从而得知该复合材料中含有二氧化锡。
制备的产物的扫描电镜图谱见图3,由图3可见此复合材料的形貌为球状,粒径约为50~300nm左右。
比表面积与孔径分布图见图4、图5,由图可见此复合材料的比表面积为138m3/g,孔径约为4nm。
光芬顿催化性能测试:称取10mg产物放入一定体积的浓度为50mg/L的甲基橙溶液中暗反应30分钟,之后加入1ml双氧水,用氙灯照射观察其对甲基橙催化降解效果,测试结果见图6,由图6可见可以在70分钟后,甲基橙几乎降解完全。
本发明的有益效果:本发明采用的制备方法简单易行,成本较低,产物具有磁性易于分离,且光芬顿催化活性较高。
附图说明
图1为本发明制备的磁性二氧化锡纳米复合材料的红外谱图。
图2为本发明制备的磁性二氧化锡纳米复合材料的XRD谱图。
图3为本发明制备的磁性二氧化锡纳米复合材料的扫描电镜照片。
图4为本发明制备的磁性二氧化锡纳米复合材料的比表面积图谱。
图5为本发明制备的磁性二氧化锡纳米复合材料的孔径分析图谱。
图6为实例2制备的磁性二氧化锡纳米复合材料的光芬顿催化性能。
具体实施方式
为了加深对本发明的理解,下面结合附图与实例对本发明进行了详细的说明,但本发明不限于这些实例。
实施例1
将1.5g六水合三氯化铁,1g聚乙烯吡咯烷酮,2g乙酸钠添加到盛有70ml乙二醇的圆底烧瓶中机械搅拌两个小时后将其转入100ml水热反应釜中,200度反应8小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到四氧化三铁纳米粒子。取0.2g制备的四氧化三铁置于25ml乙醇与45ml水混合液中超声分散30分钟,然后在搅拌条件下向其中加入0.516g三水合锡酸钾和0.614g尿素,继续搅拌10分钟,转移到水热反应釜200度反应12小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到磁性二氧化锡复合材料,比表面积约为138m2/g。
实施例2
将1.5g六水合三氯化铁,1g聚乙烯吡咯烷酮,2g乙酸钠添加到盛有70ml乙二醇的圆底烧瓶中机械搅拌两个小时后将其转入100ml水热反应釜中,200度反应8小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到四氧化三铁纳米粒子。取0.2g制备的四氧化三铁置于25ml乙醇与45ml水混合液中超声分散30分钟,然后在搅拌条件下向其中加入0.604g五水合四氯化锡并用5%氨水滴定使其PH达到7~8左右,继续搅拌10分钟,转移到水热反应釜200度反应12小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到磁性二氧化锡复合材料,比表面积约为116m2/g。
实施例3
将1.5g六水合三氯化铁,1g聚乙二醇,2g乙酸钠添加到盛有70ml乙二醇的圆底烧瓶中机械搅拌两个小时后将其转入100ml水热反应釜中,200度反应8小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到四氧化三铁纳米粒子。取0.2g制备的四氧化三铁置于25ml乙醇与45ml水混合液中超声分散30分钟,然后在搅拌条件下向其中加入0.516g三水合锡酸钾和0.614g尿素,继续搅拌10分钟,转移到水热反应釜200度反应12小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到磁性二氧化锡复合材料,比表面积约为108m2/g。
实施例4
将1.5g六水合三氯化铁,1g聚乙烯吡咯烷酮,2g乙酸钠添加到盛有70ml乙二醇的圆底烧瓶中机械搅拌两个小时后将其转入100ml水热反应釜中,200度反应8小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到四氧化三铁纳米粒子。取0.2g制备的四氧化三铁置于25ml乙醇与45ml水混合液中超声分散30分钟,然后在搅拌条件下向其中加入0.258g三水合锡酸钾和0.307g尿素,继续搅拌10分钟,转移到水热反应釜200度反应12小时,产物分别用水和无水乙醇洗涤各4次,并进行磁性分离,紧接着在60度真空干燥12小时即可得到磁性二氧化锡复合材料,比表面积约为97m2/g。
Claims (5)
1.一种磁性二氧化锡纳米复合材料的制备方法,包括以下步骤:
(1)将六水合三氯化铁、乙酸钠以及表面活性剂在乙二醇溶液中进行水热反应,得到四氧化三铁纳米粒子;
(2)将制备的四氧化三铁纳米粒子在无水乙醇和水的混合溶液中超声分散一段时间使其颗粒更分散;
(3)在上步分散胶体溶液中加入一定量的三水合锡酸钾以及尿素,机械搅拌一定时间,将其转入到水热反应釜中,在一定温度下水热反应一段时间,将所得的产物洗涤,分离,干燥即可得到所需的Fe3O4SnO2纳米复合材料;
其中,采用的表面活性剂为聚乙二醇,聚乙烯吡咯烷酮以及柠檬酸钠,产物洗涤分离过程中采用水洗3~5次,醇洗3~5次,机械搅拌约为10~20分钟。
2.根据权利要求1所述的一种磁性二氧化锡纳米复合材料的制备方法,其特征在于:所述的四氧化三铁纳米粒子制备过程中,反应温度为180℃~220℃,反应时间为8~12小时。
3.根据权利要求1所述的一种磁性二氧化锡纳米复合材料的制备方法,其特征在于:所述的四氧化三铁纳米粒子制备过程中,所用的表面活性剂的浓度约为12~50mg/L。
4.根据权利要求1所述的一种磁性二氧化锡纳米复合材料的制备方法,其特征在于:Fe3O4SnO2纳米复合材料的反应温度为160℃~180℃,反应时间为12~24小时。
5.根据权利要求1所述的一种磁性二氧化锡纳米复合材料的制备方法,其特征在于:所制备的Fe3O4SnO2纳米复合材料即复合材料四氧化三铁与二氧化锡的复合比例约为1:1~1:3。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510808035.2A CN105478125A (zh) | 2015-11-20 | 2015-11-20 | 一种磁性二氧化锡纳米复合材料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510808035.2A CN105478125A (zh) | 2015-11-20 | 2015-11-20 | 一种磁性二氧化锡纳米复合材料的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105478125A true CN105478125A (zh) | 2016-04-13 |
Family
ID=55665607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510808035.2A Pending CN105478125A (zh) | 2015-11-20 | 2015-11-20 | 一种磁性二氧化锡纳米复合材料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105478125A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109806889A (zh) * | 2019-02-25 | 2019-05-28 | 宁夏大学 | 一种二硫化钼/四氧化三铁磁性纳米复合材料及其制备方法和应用 |
CN111013540A (zh) * | 2019-12-30 | 2020-04-17 | 西北工业大学 | 一种高吸附性能石墨烯磁性气凝胶的制备方法 |
CN115254123A (zh) * | 2022-07-12 | 2022-11-01 | 重庆大学 | 一种新型镍磁性复合光催化剂SnO2/NiFe2O4的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001096152A (ja) * | 1999-09-28 | 2001-04-10 | Sugita Jiro | 化石燃料を改質する触媒 |
-
2015
- 2015-11-20 CN CN201510808035.2A patent/CN105478125A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001096152A (ja) * | 1999-09-28 | 2001-04-10 | Sugita Jiro | 化石燃料を改質する触媒 |
Non-Patent Citations (2)
Title |
---|
JIWEI LIU等: "Double-Shelled Yolk−Shell Microspheres with Fe3O4 Cores and SnO2 Double Shells as High-Performance Microwave Absorbers", 《THE JOURNAL OF PHYSICAL CHEMISTRY C》 * |
徐广飞: "纳米Fe3O4及磁性光催化复合材料SnO2/ Fe3O4的制备和性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109806889A (zh) * | 2019-02-25 | 2019-05-28 | 宁夏大学 | 一种二硫化钼/四氧化三铁磁性纳米复合材料及其制备方法和应用 |
CN111013540A (zh) * | 2019-12-30 | 2020-04-17 | 西北工业大学 | 一种高吸附性能石墨烯磁性气凝胶的制备方法 |
CN115254123A (zh) * | 2022-07-12 | 2022-11-01 | 重庆大学 | 一种新型镍磁性复合光催化剂SnO2/NiFe2O4的制备方法 |
CN115254123B (zh) * | 2022-07-12 | 2023-08-22 | 重庆大学 | 一种新型镍磁性复合光催化剂SnO2/NiFe2O4的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Ramachandran et al. | Efficient degradation of organic dye using Ni-MOF derived NiCo-LDH as peroxymonosulfate activator | |
Li et al. | A facile route to the synthesis of magnetically separable BiOBr/NiFe2O4 composites with enhanced photocatalytic performance | |
Liu et al. | A facile solvothermal approach of novel Bi2S3/TiO2/RGO composites with excellent visible light degradation activity for methylene blue | |
Zhao et al. | Gear-shaped mesoporous NH2-MIL-53 (Al)/CdS PN heterojunctions as efficient visible-light-driven photocatalysts | |
CN106268900B (zh) | 一种g-C3N4量子点敏化AgVO3纳米线的制备方法 | |
Taufik et al. | Synthesis of iron (II, III) oxide/zinc oxide/copper (II) oxide (Fe3O4/ZnO/CuO) nanocomposites and their photosonocatalytic property for organic dye removal | |
Xin et al. | Synthesis of ZnS@ CdS–Te composites with p–n heterostructures for enhanced photocatalytic hydrogen production by microwave-assisted hydrothermal method | |
CN103318978B (zh) | 一种介孔钴酸镍纤维的制备方法及其应用 | |
Lv et al. | Fabrication of magnetically recyclable yolk-shell Fe 3 O 4@ TiO 2 nanosheet/Ag/gC 3 N 4 microspheres for enhanced photocatalytic degradation of organic pollutants | |
CN101311360B (zh) | 一维单晶氧化铋纳米材料的合成方法 | |
CN101486488B (zh) | 一种纳米尖晶石钛酸锂的制备方法 | |
CN103433044B (zh) | 一种钴-镍双金属氢氧化物纳米复合物的制备方法 | |
CN105289693A (zh) | 一种Zn0.5Co0.5Fe2O4/g-C3N4复合光催化剂的制备方法 | |
CN105140475A (zh) | 一种Fe3O4/MoS2锂离子电池负极材料的制备方法 | |
CN105562040B (zh) | 一种BiOCl-(001)/GO纳米复合光催化剂的制备及应用 | |
CN104772136B (zh) | 一种钒酸铋及其制备方法与应用 | |
Aksoy et al. | Visible light-driven hydrogen evolution by using mesoporous carbon nitride-metal ferrite (MFe2O4/mpg-CN; M: Mn, Fe, Co and Ni) nanocomposites as catalysts | |
CN103191721A (zh) | 三氧化钨/二氧化钛核壳结构纳米复合材料的制备方法 | |
Liu et al. | Vacancy-engineered bismuth-based semiconductor with enhanced photocatalytic activity: A review | |
CN103466702A (zh) | 一种无模板制备多孔氧化铋纳米材料的方法 | |
Zeng et al. | Photocatalytic pure water splitting activities for ZnGa2O4 synthesized by various methods | |
Motlagh et al. | Structural properties of nickel hydroxide/oxyhydroxide and oxide nanoparticles obtained by microwave-assisted oxidation technique | |
CN105478125A (zh) | 一种磁性二氧化锡纳米复合材料的制备方法 | |
Zhou et al. | Template-free synthesis and photocatalytic activity of hierarchical hollow ZnO microspheres composed of radially aligned nanorods | |
Zeng et al. | TiO2@ ZnFe2O4 heterojunctions for effecicent photocatalytic degradation of persistent pollutants and hydrogen evolution |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
|
WD01 | Invention patent application deemed withdrawn after publication |