CN106868633B - 一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 - Google Patents
一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 Download PDFInfo
- Publication number
- CN106868633B CN106868633B CN201710134054.0A CN201710134054A CN106868633B CN 106868633 B CN106868633 B CN 106868633B CN 201710134054 A CN201710134054 A CN 201710134054A CN 106868633 B CN106868633 B CN 106868633B
- Authority
- CN
- China
- Prior art keywords
- tio
- srtio
- spinning
- composite nano
- rutile type
- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 239000002121 nanofiber Substances 0.000 title claims abstract description 17
- 229910052712 strontium Inorganic materials 0.000 title claims abstract description 10
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 238000002360 preparation method Methods 0.000 title claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910002370 SrTiO3 Inorganic materials 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 4
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 15
- 238000009987 spinning Methods 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 10
- 239000005030 aluminium foil Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 claims description 4
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 2
- 229960000583 acetic acid Drugs 0.000 claims 1
- 239000012362 glacial acetic acid Substances 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 229910002367 SrTiO Inorganic materials 0.000 abstract description 3
- 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 abstract description 3
- 229940012189 methyl orange Drugs 0.000 abstract description 3
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 3
- 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 abstract 1
- 229960000907 methylthioninium chloride Drugs 0.000 abstract 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- -1 hydroxyl radical free radical Chemical class 0.000 description 2
- 239000001048 orange dye Substances 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000021419 vinegar Nutrition 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
- B01J23/04—Alkali metals
-
- 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
- B01J35/58—Fabrics or filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
本发明采用一步静电纺丝法制备出100‑200nm的钛酸锶/二氧化钛(金红石相)复合纳米纤维材料,方法简便,可操作性强。所得纤维尺寸可控、分布均一且连续性好。本发明所制备的SrTiO3/TiO2(金红石相)复合纳米纤维相比单一的TiO2(金红石相)和单一的SrTiO3光催化活性方面都有非常大的提高,在光催化降解难降解有机污染物如甲基橙、亚甲基蓝、罗丹明B等方面有重要的应用前景。
Description
技术领域
本发明属于新型功能材料领域,尤其涉及一种SrTiO3/TiO2复合纳米纤维及其制备方法。
背景技术
现代工业的快速发展,含有有毒、致癌污染物废水的大量排放,严重威胁着人类的健康。高级氧化法包括电化学氧化法、Fenton氧化法、臭氧氧化法、光催化氧化法等方法对水中高稳定性、高毒性有机污染物的去除尤为有效,已经逐渐成为国内外高校及科研机构研究的方向之一。光催化氧化法是高级氧化技术中的一种,它是指通过照射半导体光催化剂,使其价带上的电子受到激发后跃迁到导带,并分别在价带和导带上形成光生空穴和电子,在水中产生氧化能力极强的羟基自由基,从而将污染物氧化降解。以取之不尽、用之不竭的太阳能为动力发展起来的光催化技术在污染治理技术领域和能源开发方面的研究非常活跃。许多用其他方法难以去除的有机污染物,如氯仿、邻苯二甲酸酯、多氯联苯等都可以利用该技术去除,并且去除率可达100%。因此,作为光催化技术的核心部分高活性的光催化剂的研发,自然而然的成为很多科研人员研究的热点之一。
众所周知,TiO2作为光催化剂具有高催化活性、较强的光稳定性以及无毒等优点。但是针对如何提高改性TiO2尤其金红石相TiO2作为光催化剂的光催化活性方面,有文献报道金红石相的TiO2与CuS复合起来形成具有异质结作光催化剂,可以在一定程度上弥补单一半导体材料的不足,提高光催化活性;然而,仍不能满足光催化活性需求。
发明内容
本发明的目的在于,针对现有技术的不足,提供一种钛酸锶/二氧化钛复合纳米纤维及其制备方法。
本发明的目的是通过以下技术方案实现的:一种SrTiO3/TiO2复合纳米纤维,所述复合纳米纤维直径为180~220nm,长径比为80~100,,由金红石相的TiO2单晶和SrTiO3单晶组成,SrTiO3单晶与TiO2单晶形成异质结。
一种钛酸锶/二氧化钛复合纳米纤维的制备方法,包括以下步骤:
(1)将2.2g聚乙烯吡咯烷酮(PVP)分散到8ml N,N-二甲基甲酰胺(DMF)和2ml冰醋酸组成的混合溶液中,分散均匀后,获得均一稳定的透明溶液;加入2g钛酸四丁酯,分散均匀后,加入15.9mg乙酸锶,分散均匀,形成均一稳定的纺丝液。
(2)利用步骤1制备的纺丝液进行纺丝,并通过铝箔滚筒接收器接收,获得纤维前驱体;其中,喷头口径为0.5mm,流速为0.6ml/h。纺丝电压为15kV,针头和接地的铝箔滚筒接收器之间距离15cm,静电纺丝过程中的环境湿度为40%以下;
(3)将纤维前驱体先经过80℃干燥6h,然后再以5℃/min升温速率升至700℃,保持此温度烧结2h,获得SrTiO3/TiO2复合纳米纤维。
本发明的有益效果在于:本发明通过一步法实现了SrTiO3与金红石相TiO2之间异质结的构建,提高金红石相TiO2光催化活性,太阳光利用率有效提高,在光催化反应过程中光生电子-空穴的寿命长。另一方面,通过700℃烧结,纤维长径比达到80~100,大大地拓宽了光催化材料在各个领域中的应用。
附图说明
图1为实施例1产物的XRD图;
图2为ST-3复合纤维的高分辨透射图(a.b)以及扫描电镜图(c);
图3为甲基橙染料的降解效果图;
图4为实施例1产物的光吸收效果图;
图5为ST-3复合纤维的重复性实验结果图。
具体实施方式
一种钛酸锶/二氧化钛复合纳米纤维的制备方法,包括以下步骤:
(1)将2.2g聚乙烯吡咯烷酮(PVP)分散到8ml N,N-二甲基甲酰胺(DMF)和2ml冰醋酸组成的混合溶液中,分散均匀后,获得均一稳定的透明溶液;加入2g钛酸四丁酯,分散均匀后,加入乙酸锶(5.3mg-ST1,15.9mg-ST3,26.5mg-ST5,53mg-ST10),分散均匀,形成均一稳定的纺丝液。
(2)利用步骤1制备的纺丝液进行纺丝,并通过铝箔滚筒接收器接收,获得纤维前驱体;其中,喷头口径为0.5mm,流速为0.6ml/h。纺丝电压为15kV,针头和接地的铝箔滚筒接收器之间距离15cm,静电纺丝过程中的环境湿度为40%以下;
(3)将纤维前驱体先经过80℃干燥6h,然后再以5℃/min升温速率升至700℃,保持此温度烧结2h,获得SrTiO3/TiO2复合纳米纤维。
不同加入量乙酸锶所得到的产物的XRD如图1所示,从图中可以看出,合成的产物中均包含金红石相的TiO2和SrTiO3;图2为ST-3复合纤维的高分辨透射图,从图2中a可以看出,复合纤维由金红石相的TiO2单晶和SrTiO3单晶组成,从图2中b可以看出,两种晶体的晶格条纹间距分别为0.324和0.275nm,SrTiO3单晶与TiO2单晶形成异质结。因此,相比于现有的二步法掺杂的方式,本发明构建的复合纤维的异质结不仅仅存在于纤维表面,而是布满整根纤维,极有利于光生电子-空穴对的分离。从图2中c可以看出,合成的复合纤维直径为180~220nm,长径比为80~100。
采用甲基橙染料对本实施例的产物ST-1,ST-3,ST-5,ST-10,以及单纯的金红石相的TiO2和SrTiO3进行催化性能检测,检测结果如图3所示,照射40分钟后,ST-1,ST-3,ST-5,ST-10,以及单纯的金红石相的TiO2和SrTiO3的降解率分别为62%,93%,79%,43%,47%,44%;根据试验结果,利用SrTiO3修饰金红石相TiO2得到的复合纳米纤维光催化剂的活性明显高于单一金红石型TiO2纳米纤维和单一的SrTiO3纳米纤维,这主要是归因于在复合光催化材料存在着异质结起的作用,因为异质结有利于光生电子空穴对的分离。同时我们也可以看到随着SrTiO3浓度的增加,光催化活性呈现的是先升高后下降的趋势,这表明,钛酸锶的加入量当达到某一适当量时,光催化剂才会具有最高的催化活性。当只有少量的钛酸锶加入时,形成的异质结构效果不明显,因此光催化活性提高的不多;当钛酸锶加入量过多时,会导致过量的SrTiO3覆盖在TiO2表面,使的TiO2的活性位点大量的减少,最终导致降低了其光催化活性。
进一步的,由图4可知,SrTiO3修饰金红石相TiO2后得到的系列样品对光吸收的变化很小,这意味着本发明不是基于现有的技术手段(扩展吸收光的范围)来提高光催化活性,而是通过构建大量SrTiO3-金红石相TiO2纳米异质结来实现。
图5为ST-3复合纤维的重复性实验结果图,从图中可以看出,在5次重复利用后,ST-3复合纤维的降解能力基本不变。
Claims (1)
1.一种SrTiO3/TiO2复合纳米纤维的制备方法,所述复合纳米纤维直径为180~220nm,长径比为80~100,由金红石相的TiO2单晶和SrTiO3单晶组成,SrTiO3单晶与TiO2单晶形成异质结;其特征在于,包括以下步骤:
(1)将2.2g聚乙烯吡咯烷酮(PVP)分散到 8ml N,N-二甲基甲酰胺(DMF)和 2ml 冰醋酸组成的混合溶液中,分散均匀后,获得均一稳定的透明溶液;加入2g钛酸四丁酯,分散均匀后,加入15.9mg乙酸锶,分散均匀,形成均一稳定的纺丝液;
(2)利用步骤( 1) 制备的纺丝液进行纺丝,并通过铝箔滚筒接收器接收,获得纤维前驱体;其中,喷头口径为0.5mm,流速为0.6ml/h;纺丝电压为15kV,针头和接地的铝箔滚筒接收器之间距离15cm,静电纺丝过程中的环境湿度为40%以下;
(3)将纤维前驱体先经过80℃干燥6h,然后再以5℃/min 升温速率升至700℃,保持此温度烧结2h,获得钛酸锶/二氧化钛(SrTiO3/TiO2)复合纳米纤维。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710134054.0A CN106868633B (zh) | 2017-03-07 | 2017-03-07 | 一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710134054.0A CN106868633B (zh) | 2017-03-07 | 2017-03-07 | 一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106868633A CN106868633A (zh) | 2017-06-20 |
CN106868633B true CN106868633B (zh) | 2019-07-09 |
Family
ID=59169946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710134054.0A Expired - Fee Related CN106868633B (zh) | 2017-03-07 | 2017-03-07 | 一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106868633B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108212136B (zh) * | 2018-01-30 | 2020-08-04 | 河北工业大学 | 一种花状形貌定向生长SrTiO3的制备方法 |
CN108772080B (zh) * | 2018-06-29 | 2020-12-01 | 台州职业技术学院 | 一种具有纳米异质结的一维纳米线复合光催化剂的制备方法 |
CN110280248B (zh) * | 2019-07-18 | 2022-03-01 | 哈尔滨工业大学 | 一种钛酸镍/二氧化钛纳米复合材料的制备方法 |
CN111250074B (zh) * | 2020-02-23 | 2021-02-12 | 北京科技大学 | 一种溶剂热法合成的mof衍生物半导体异质结材料的方法 |
CN111996618B (zh) * | 2020-08-13 | 2022-04-15 | 苏州大学 | 钒掺杂钛酸锶纳米纤维及其制备方法与应用 |
CN113559842A (zh) * | 2021-07-29 | 2021-10-29 | 辽宁大学 | 一种钛酸锶/钼酸铋异质结纳米纤维光催化剂及其制备方法和应用 |
CN113713814A (zh) * | 2021-09-06 | 2021-11-30 | 齐鲁工业大学 | 一种Au/SrTiO3/TiO2纳米空心球光催化材料及制备方法和应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072927A (zh) * | 2010-11-12 | 2011-05-25 | 吉林大学 | 快响应、宽量程陶瓷基纳米纤维湿度传感器的制备方法 |
CN103706362A (zh) * | 2013-12-11 | 2014-04-09 | 中国工程物理研究院流体物理研究所 | 太阳光响应型纳米异质结构光催化剂及其制备方法 |
CN105664922A (zh) * | 2016-03-23 | 2016-06-15 | 郑州大学 | 碳修饰TiO2/WO3复合纳米纤维光催化剂、制备方法及应用 |
CN105771986A (zh) * | 2016-03-23 | 2016-07-20 | 郑州大学 | Au修饰TiO2/WO3异质结纳米纤维光催化剂、制备方法及应用 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9102570B2 (en) * | 2011-04-22 | 2015-08-11 | Cornell University | Process of making metal and ceramic nanofibers |
-
2017
- 2017-03-07 CN CN201710134054.0A patent/CN106868633B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102072927A (zh) * | 2010-11-12 | 2011-05-25 | 吉林大学 | 快响应、宽量程陶瓷基纳米纤维湿度传感器的制备方法 |
CN103706362A (zh) * | 2013-12-11 | 2014-04-09 | 中国工程物理研究院流体物理研究所 | 太阳光响应型纳米异质结构光催化剂及其制备方法 |
CN105664922A (zh) * | 2016-03-23 | 2016-06-15 | 郑州大学 | 碳修饰TiO2/WO3复合纳米纤维光催化剂、制备方法及应用 |
CN105771986A (zh) * | 2016-03-23 | 2016-07-20 | 郑州大学 | Au修饰TiO2/WO3异质结纳米纤维光催化剂、制备方法及应用 |
Non-Patent Citations (1)
Title |
---|
原位水热合成SrTiO3/TiO2复合纳米纤维及光催化性能;李跃军等;《高等学校化学学报》;20111130;第32卷(第11期);第2490-2497页 |
Also Published As
Publication number | Publication date |
---|---|
CN106868633A (zh) | 2017-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106868633B (zh) | 一种钛酸锶/二氧化钛复合纳米纤维及其制备方法 | |
CN103451773B (zh) | 铁酸铋纳米纤维材料及其制备方法 | |
CN103706362A (zh) | 太阳光响应型纳米异质结构光催化剂及其制备方法 | |
CN104192907B (zh) | 一种γ-钼酸铋纳米管的制备方法 | |
CN103623803A (zh) | 一种可见光光催化剂及其制备方法 | |
CN105664922B (zh) | 碳修饰TiO2/WO3复合纳米纤维光催化剂、制备方法及应用 | |
CN103028406A (zh) | 一种纳米Cu2O复合TiO2电纺纤维光催化剂的制备方法 | |
CN101301592A (zh) | 一种聚酰亚胺/二氧化钛复合亚微米纤维膜的制备方法 | |
CN111705419B (zh) | 一种负载金属掺杂氮化碳的石墨烯基柔性无纺布及其制备方法和应用 | |
CN109926053A (zh) | 一种NiO/NiTiO3复合纳米纤维膜光催化材料 | |
CN108993538A (zh) | 一种二硫化铼纳米片/二氧化钛纳米纤维复合光催化材料的制备方法 | |
CN110240723B (zh) | 一种紫外高屏蔽纤维素膜及其制备方法与应用 | |
CN103184685A (zh) | 基于二氧化钛/氧化镁核壳纳米棒的光催化功能织物的制备方法 | |
CN105771986B (zh) | Au修饰TiO2/WO3异质结纳米纤维光催化剂、制备方法及应用 | |
CN111167455A (zh) | 一种石墨烯负载钴掺杂二氧化钛光催化剂及其制备方法 | |
CN113368869A (zh) | 一种可见光降解染料的纳米纤维材料、制备方法、应用 | |
CN104826643A (zh) | 一种Ta3N5/CdS异质结纤维光催化剂及其制备方法 | |
CN102527396A (zh) | 高效共掺杂复合光催化剂的制备及应用方法 | |
Su et al. | The enhanced photocatalytic performance of the amorphous carbon/MgO nanofibers: Insight into the role of the oxygen vacancies and 1D morphology | |
CN110327914B (zh) | 一种三氧化钨/钨酸镉纳米纤维光催化材料及其制备方法与应用 | |
TW201437443A (zh) | 光觸媒複合奈米纖維及其製法 | |
CN113289669B (zh) | 一种串珠状的碳纳米纤维负载氧化钛光催化剂的制备方法 | |
CN113101971B (zh) | 一种PVDF/MoS2/AuNPS材料及其制备方法与应用 | |
CN103933977A (zh) | Ag0.35V2O5/TiO2纳米复合光催化剂的制备方法 | |
CN105435774A (zh) | 一种BiVO4全介孔纤维材料高效光催化剂 |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191202 Address after: 318020 huangyanjiangkou light chemical zone, Taizhou City, Zhejiang Province Patentee after: Taizhou Zhongyuan new material Co.,Ltd. Address before: 312000 higher education zone, Taizhou, Zhejiang Patentee before: Taizhou Vocational & Technical College |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 |
|
CF01 | Termination of patent right due to non-payment of annual fee |