CN109107566A - 一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 - Google Patents
一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 Download PDFInfo
- Publication number
- CN109107566A CN109107566A CN201811133385.3A CN201811133385A CN109107566A CN 109107566 A CN109107566 A CN 109107566A CN 201811133385 A CN201811133385 A CN 201811133385A CN 109107566 A CN109107566 A CN 109107566A
- Authority
- CN
- China
- Prior art keywords
- nanometers
- cuboids
- preparation
- hydro
- particle
- 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.)
- Granted
Links
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229960000907 methylthioninium chloride Drugs 0.000 claims abstract description 11
- 238000007146 photocatalysis Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 5
- 230000015556 catabolic process Effects 0.000 claims abstract description 4
- 238000006731 degradation reaction Methods 0.000 claims abstract description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 4
- 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 claims abstract 2
- 230000008878 coupling Effects 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims abstract 2
- 238000005859 coupling reaction Methods 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- JNRLEMMIVRBKJE-UHFFFAOYSA-N 4,4'-Methylenebis(N,N-dimethylaniline) Chemical compound C1=CC(N(C)C)=CC=C1CC1=CC=C(N(C)C)C=C1 JNRLEMMIVRBKJE-UHFFFAOYSA-N 0.000 claims 1
- 241001062009 Indigofera Species 0.000 claims 1
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000003786 synthesis reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000010919 dye waste Substances 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- YSZJKUDBYALHQE-UHFFFAOYSA-N rhenium trioxide Chemical compound O=[Re](=O)=O YSZJKUDBYALHQE-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 240000001548 Camellia japonica Species 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- FRTNIYVUDIHXPG-UHFFFAOYSA-N acetic acid;ethane-1,2-diamine Chemical compound CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O.NCCN FRTNIYVUDIHXPG-UHFFFAOYSA-N 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000018597 common camellia Nutrition 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000009941 weaving Methods 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- 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
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
本发明涉及一种WO3·0.33H2O纳米长方体的制备方法及其光催化应用,具体的说是通过WO3粒子为前驱体,水热合成WO3·0.33H2O纳米长方体,WO3·0.33H2O纳米长方体室温下高效光催化降解浓度为1‑10mg/L的亚甲基蓝溶液,脱除率为100%,无副产物产生。
Description
技术领域
本发明涉及WO3·0.33H2O纳米长方体的制备方法及其光催化应用,属于光催化剂的制备与应用领域。
背景技术
WO3·0.33H2O是水合氧化钨的一种晶相,其晶体结构属于三氧化铼(ReO3)型,是一种n型半导体材料。由于其独特的晶体结构,WO3·0.33H2O具有光敏性能、气敏性能、湿敏性能和催化性能。近期研究表明催化剂表面结构及形貌决定催化剂的化学性能,而WO3·0.33H2O的合成及其催化性能研究较少涉及,因此形貌可控合成WO3·0.33H2O材料成为了人们研究的热点。
液相合成方法,特别是水热法,由于其合成的材料纯度高、分散性好、晶型好、可控性强、能耗低、成本低成为合成材料的主要方法。目前合成WO3·0.33H2O的方法主要是利用酸化钨酸盐体系,通过调节pH值、水热温度、水热时间等参数,水热分解生成WO3·0.33H2O微纳米材料。例如:Wang等使用乙二胺四乙酸酸化Na2WO4·2H2O溶液,通过加入HCl调节pH值,180℃水热6h合成了山茶花状结构的WO3·0.33H2O(L.M.Wang,et al.,CatalysisCommunications,2017,88,1-4)。Wang等用冰醋酸酸化Na2WO4·2H2O,利用K2SO4作为结构导向剂,通过HCl调节pH值,160℃水热2h得到WO3·0.33H2O微米球(H.T.Wang,et al.,Materials Letters,2017,193,5-8)。Chen等利用HCl酸化Na2WO4·2H2O,140℃水热72h得到花状WO3·0.33H2O微米结构(G.Chen,et al.,CrystEngComm,2014,16,6107-6113)。因此,构建新型路径调变合成WO3·0.33H2O微纳米结构,减少对环境污染的酸的使用是我们近期研究的重点。
染料废水是水污染的重要来源,染料大部分是有机物,污染严重,去除比较困难。其中亚甲基是一种碱性染料,化工、纺织等领域排放大量包含亚甲基的染料废水。光催化技术通过产生强氧化性自由基断开亚甲基蓝中的发色基团,形成小分子片段,将亚甲基蓝转化为CO2、H2O等无毒物质,具有广阔的应用前景。
基于以上考虑,作为n型半导体的WO3·0.33H2O,利用酸化钨酸盐体系,水热分解是形成WO3·0.33H2O材料的主要方法,以商品化WO3为前驱体水热合成WO3·0.33H2O纳米材料还没有报道。所以,我们通过构建新型合成路径形成WO3·0.33H2O纳米长方体,将其应用于光催化降解染料废水中的亚甲基蓝,发现其具有高效的催化活性。
发明内容:
本发明旨在提供一种合成WO3·0.33H2O纳米长方体的方法及其在光催化去除亚甲基蓝的应用,实现100%的去除率。
基于上述目的,本发明所涉及的技术方案如下:
1)WO3·0.33H2O纳米长方体的制备:将0.3g商品化WO3粒子加入到50mL烧杯中,然后再加入11mL(30%)H2O2水溶液,搅拌均匀后,将所得液体转入50ml以聚四氟乙烯为内衬的不锈钢反应釜中,水热150℃反应12h,然后自然冷却至室温,产物经离心洗涤,50℃真空干燥得到WO3·0.33H2O纳米长方体,宽度为60-515nm,长度为50-820nm,厚度为32-64nm。
2)将WO3·0.33H2O纳米长方体作为催化剂光催化降解染料废水中的亚甲基蓝。WO3·0.33H2O纳米长方体在室温反应30min,亚甲基蓝去除率为42%,反应90min,去除率为67%,反应300min达100%。
本发明具有如下优点:
1)有效的拓展了WO3·0.33H2O纳米材料的制备方法,使其不再主要局限于酸化钨酸盐分解体系,并能形貌可控合成WO3·0.33H2O纳米长方体。
2)室温下WO3·0.33H2O纳米长方体能够实现光催化降解亚甲基蓝达100%,实现了亚甲基蓝废水溶液的有效脱除。
附图说明:
图1是WO3·0.33H2O纳米长方体的表征结果,(a)XRD和(b-d)电镜图片。
具体实施方式
下列实施例用来进一步说明本发明,但不因此而限制本发明。
实施例1
制备WO3·0.33H2O纳米长方体具体过程如下:将0.3g商品化WO3粒子加入到50mL烧杯中,然后再加入11mL(30%)H2O2水溶液,搅拌均匀后,将所得液体转入50ml以聚四氟乙烯为内衬的不锈钢反应釜中,水热150℃反应12h,然后自然冷却至室温,产物经离心洗涤,50℃真空干燥得到WO3·0.33H2O纳米长方体,宽度为60-515nm,长度为50-820nm,厚度为32-64nm(如图1所示)。
实施例2-12
测试实施例1制备的催化剂光催化降解染料废水中的亚甲基蓝的性能。
将制备的50mg实施例1中的材料加入到100mL浓度为1-10mg/L亚甲基蓝溶液中,反应开始前在暗处处理30min以达到吸附/脱附平衡。用300W Xe灯照射反应体系一定时间(30-300min),将反应产物离心分离后取上层清夜,分光光度仪Perkin Elmer Lambda 750在最大吸收波长为664nm处分析其组成。反应结果如下。
表1 WO3·0.33H2O纳米长方体光降解亚甲基蓝废水溶液的反应结果
从表1可以看出:WO3·0.33H2O纳米长方体光催化降解废水染料中亚甲基蓝有机物,在浓度为10mg/L时反应30min、45min、60min、90min、120min、150min、210min、300min时,亚甲基蓝降解率分别为42%、49%、56%、67%、76%、83%、92%、100%。当浓度为1mg/L、2mg/L、5mg/L时反应300min,脱除率为100%。
Claims (2)
1.一种WO3·0.33H2O纳米长方体的制备方法,具体的说是通过WO3粒子为前驱体,水热合成WO3·0.33H2O纳米长方体,该WO3·0.33H2O纳米长方体室温下可高效光催化降解染料废水中的亚甲基蓝;WO3·0.33H2O纳米长方体由如下步骤制得:将WO3粒子加入到H2O2水溶液,将所得液体转入以聚四氟乙烯为内衬的不锈钢反应釜中于140-160℃水热处理10-14h,得到WO3·0.33H2O纳米长方体。
2.按照权利要求1所述的方法,其特征在于:
WO3·0.33H2O纳米长方体在20-40℃光催化5-8h,可光催化降解浓度为1-10mg/L的亚甲基蓝溶液,脱除率为100%,无副产物产生。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811133385.3A CN109107566B (zh) | 2018-09-27 | 2018-09-27 | 一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811133385.3A CN109107566B (zh) | 2018-09-27 | 2018-09-27 | 一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109107566A true CN109107566A (zh) | 2019-01-01 |
CN109107566B CN109107566B (zh) | 2021-05-18 |
Family
ID=64856594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811133385.3A Active CN109107566B (zh) | 2018-09-27 | 2018-09-27 | 一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109107566B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109908889A (zh) * | 2019-02-28 | 2019-06-21 | 陕西科技大学 | 一种碳布表面原位生长wo3/wo3·0.33h2o自支撑电极材料的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004250239A (ja) * | 2003-02-18 | 2004-09-09 | Catalysts & Chem Ind Co Ltd | 活性管状酸化チタン粒子、該酸化チタン粒子を含む触媒および消臭剤 |
CN101830496A (zh) * | 2009-03-10 | 2010-09-15 | 忠南大学校产学协力财团 | 过渡金属氧化物纳米粒子的制造方法 |
CN106622210A (zh) * | 2016-11-16 | 2017-05-10 | 任昊琦 | 一种合成海胆状氧化钨的方法 |
US20170203973A1 (en) * | 2014-07-25 | 2017-07-20 | Suzhou Hans Energy Storage Technology Co., Ltd. | Applications of a tungsten-containing material |
CN107381644A (zh) * | 2017-08-22 | 2017-11-24 | 西安理工大学 | 一种一维三氧化钨纳米线的制备方法 |
CN107416906A (zh) * | 2017-06-27 | 2017-12-01 | 华南农业大学 | 一种溶剂热法制备荧光氧化钨量子点的方法及其制备而成的荧光氧化钨量子点和应用 |
-
2018
- 2018-09-27 CN CN201811133385.3A patent/CN109107566B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004250239A (ja) * | 2003-02-18 | 2004-09-09 | Catalysts & Chem Ind Co Ltd | 活性管状酸化チタン粒子、該酸化チタン粒子を含む触媒および消臭剤 |
CN101830496A (zh) * | 2009-03-10 | 2010-09-15 | 忠南大学校产学协力财团 | 过渡金属氧化物纳米粒子的制造方法 |
US20170203973A1 (en) * | 2014-07-25 | 2017-07-20 | Suzhou Hans Energy Storage Technology Co., Ltd. | Applications of a tungsten-containing material |
CN106622210A (zh) * | 2016-11-16 | 2017-05-10 | 任昊琦 | 一种合成海胆状氧化钨的方法 |
CN107416906A (zh) * | 2017-06-27 | 2017-12-01 | 华南农业大学 | 一种溶剂热法制备荧光氧化钨量子点的方法及其制备而成的荧光氧化钨量子点和应用 |
CN107381644A (zh) * | 2017-08-22 | 2017-11-24 | 西安理工大学 | 一种一维三氧化钨纳米线的制备方法 |
Non-Patent Citations (1)
Title |
---|
黎先财等: "H2O2氧化-水热结晶法合成纳米WO3的研究", 《稀有金属》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109908889A (zh) * | 2019-02-28 | 2019-06-21 | 陕西科技大学 | 一种碳布表面原位生长wo3/wo3·0.33h2o自支撑电极材料的制备方法 |
CN109908889B (zh) * | 2019-02-28 | 2022-04-01 | 陕西科技大学 | 一种碳布表面原位生长wo3/wo3·0.33h2o自支撑电极材料的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN109107566B (zh) | 2021-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106732524B (zh) | 一种α/β-氧化铋相异质结光催化剂及其制法和用途 | |
Ramachandran et al. | Photocatalytic properties of KBiO 3 and LiBiO 3 with tunnel structures | |
CN106423224B (zh) | 一种BiVO4/BiOI异质结复合光催化剂及其制备方法和应用 | |
CN103480395B (zh) | 一种核壳结构硫化铋@氧化铋复合物微球的制备与应用 | |
CN110180561B (zh) | 花状MoS2/TiO2光催化材料的制备方法 | |
CN103447052B (zh) | 一种空心树状氧化铋-硫化铋复合物的制备与应用 | |
CN103611577B (zh) | 一种高效降解有机染料废水的可见光催化剂及其制备方法 | |
CN105597734A (zh) | 钼掺杂三氧化钨光催化材料的制备方法及该材料的应用 | |
CN109225271B (zh) | 一种SrTiO3/SnCoS4高效光催化剂的制备方法及其应用 | |
CN105540640A (zh) | 一种花状纳米氧化锌的制备方法 | |
CN106268805B (zh) | 一种银-钨酸银纳米线及其制备方法 | |
CN106362742A (zh) | 一种Ag/ZnO纳米复合物及其制备方法和应用 | |
CN105126821B (zh) | 一种花状Bi2MoO6的制备及其在光催化还原CO2中的应用 | |
CN108579819A (zh) | 一种Fe3O4-N掺杂Ni/Zn-MOFs/g-C3N4复合光催化材料的制备方法 | |
Wang et al. | One-step synthesis of novel Ni-doped Cu2 (OH) 3F Fenton-like catalyst driven by visible light: Single activity and synergistic effect enhanced by bimetallic cooperation | |
CN115301225A (zh) | 一种中空微球结构的铋/二氧化钛光催化降解材料的制备方法及其应用 | |
CN109107566A (zh) | 一种wo3·0.33h2o纳米长方体的制备方法及其光催化应用 | |
CN106955699B (zh) | 一种高效太阳能固氮光催化材料及其制备方法 | |
Mohamed et al. | Thiophenyl sulfonated nickel phthalocynine-TiO2 nanocomposite: synthesis, characterization and superior visible light photocatalytic activity | |
CN108246306B (zh) | 一锅法合成具有可见光响应的光催化剂CuBi2O4/Bi2WO6纳米球及其应用 | |
CN109019693A (zh) | 一种单斜相wo3纳米长方体的制备方法及其光催化应用 | |
CN108311149A (zh) | 一种Fe2O3基光催化复合材料及其制备方法 | |
CN103752329B (zh) | 一种CuS光催化剂的光化学制备方法 | |
CN109731590B (zh) | 离子交换法合成AgI/BiOI/BiPO4异质结光催化剂及其用途 | |
CN116351438B (zh) | 一种二氧化铈硫化铟光催化材料及其制备方法与应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |