Nothing Special   »   [go: up one dir, main page]

CN102531063A - A kind of graphene loaded WO3 nanowire composite material and preparation method thereof - Google Patents

A kind of graphene loaded WO3 nanowire composite material and preparation method thereof Download PDF

Info

Publication number
CN102531063A
CN102531063A CN2011103865404A CN201110386540A CN102531063A CN 102531063 A CN102531063 A CN 102531063A CN 2011103865404 A CN2011103865404 A CN 2011103865404A CN 201110386540 A CN201110386540 A CN 201110386540A CN 102531063 A CN102531063 A CN 102531063A
Authority
CN
China
Prior art keywords
graphene
preparation
composite material
hours
graphite oxide
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
Application number
CN2011103865404A
Other languages
Chinese (zh)
Inventor
阎建辉
周民杰
张丽
张娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Institute of Science and Technology
Original Assignee
Hunan Institute of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Institute of Science and Technology filed Critical Hunan Institute of Science and Technology
Priority to CN2011103865404A priority Critical patent/CN102531063A/en
Publication of CN102531063A publication Critical patent/CN102531063A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Catalysts (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

本发明公开了一种石墨烯负载WO3纳米线复合材料及其制备方法,属于新材料领域。本发明的纳米复合材料具有一维与二维纳米复合结构,WO3纳米线直径为10~30纳米,长度为50~600纳米,贯穿或分布在层状石墨烯主体材料的内层或表面。其制备是以二维层状的石墨烯为客体材料,钨酸钠作为钨源,通过水热合成法生成WO3纳米线,之后将WO3纳米线与石墨氧化物分散液混合,通过光催化还原得到石墨烯负载WO3纳米线复合材料。本发明的制备工艺简单,试剂便宜,有利于大规模制备,同时为石墨氧化物还原与纳米复合材料的形成提供了一种绿色、环境有好的制备方法。

Figure 201110386540

The invention discloses a graphene-loaded WO 3 nanowire composite material and a preparation method thereof, belonging to the field of new materials. The nanocomposite material of the present invention has a one-dimensional and two-dimensional nanocomposite structure, and the WO 3 nanowires have a diameter of 10-30 nanometers and a length of 50-600 nanometers, which run through or distribute on the inner layer or surface of the layered graphene main material. Its preparation uses two-dimensional layered graphene as the guest material, sodium tungstate as the tungsten source, and generates WO 3 nanowires by hydrothermal synthesis . Reduction to obtain graphene-supported WO 3 nanowire composites. The preparation process of the present invention is simple, the reagent is cheap, and is beneficial to large-scale preparation, and at the same time, it provides a green and environmentally friendly preparation method for the reduction of graphite oxide and the formation of nanocomposite materials.

Figure 201110386540

Description

A kind of graphene-supported WO 3Nano wire matrix material and preparation method thereof
Technical field
The invention belongs to novel material and preparing technical field thereof, relate to a kind of graphene-supported WO 3Nano wire matrix material and preparation method thereof.
Technical background
Nano composite material is because the designability of its excellent comprehensive performances, particularly its performance is widely used in fields such as chemistry, optics and electricity.In recent years, nano composite material more and more obtains paying attention to.
Tungsten oxide 99.999 is typical transition metal oxide as a kind of n N-type semiconductorN.Tungsten oxide 99.999 is except as catalysis, electrochromism, electrode materials and the solar absorptive material, also has the character of air-sensitive, temperature-sensitive and semiconductor material such as pressure-sensitive.Tungsten oxide 99.999 can be applied in fields such as air-sensitive sensing, photochemical catalysis, photoconduction and ultracapacitor.Compare with traditional tungsten sill, tungsten oxide nano has bigger specific surface area, bigger surfactivity and stronger adsorptive power, has prospect widely in the functional materials Application Areas.
Graphene (graphene) is the two-dimensional nanostructure that the monolayer carbon atom is formed, and has that excellent electricity is led, thermal conductance and a mechanical property, and big specific surface area and absorption property.Utilize lamellar graphite alkene as material of main part, nano particle or the nano wire that can obtain the size homogeneous on internal layer and surface thereof are as basic structural unit.At present, the two-dimensional layered structure of people's successful use Graphene has synthesized graphene-supported metal oxide nano composite material (The Journal of Physical Chemistry Letters 2009,4,217-224; Journal of the American Chemical society, 2011,133,10878-10884).
Through the chemical reduction graphite oxide prepare Graphene be at present can the scale preparation Graphene a kind of method (Nature Nanotechnology 2009,4,217-224).But the strong reductant poisonous, that non-ambient is friendly that uses at present is the subject matter that chemical reduction prepares Graphene.The document that utilizes the photo catalytic reduction graphite oxide to prepare Graphene has had report.But the photo catalytic reduction method prepares graphene-supported tungsten oxide nano matrix material does not appear in the newspapers.
The unique two-dimensional layered structure of our comprehensive Graphenes; Advantage such as excellent chemical property and tungsten oxide nano are in each functional area application characteristic widely; Tungsten oxide nano is assembled in the Graphene material of main part as guest materials; Control synthesis condition, prepare a kind of one dimension and two-dimensional nano matrix material of uniqueness.
Summary of the invention
A kind of graphene-supported WO that the object of the present invention is to provide 3The nano wire matrix material is characterized in that one dimension and two-dimensional nano matrix material, WO 3Nanowire diameter is 10~30 nanometers, and length is 50~600 nanometers, runs through or be distributed in the internal layer or the surface of lamellar graphite alkene material of main part.
A kind of graphene-supported WO of the present invention 3The preparation method of nano wire matrix material may further comprise the steps:
(1) sodium wolframate is dissolved in the zero(ppm) water, adds acidity regulator, the concentration of regulating sodium tungstate solution is 0.1~1.0, and pH is 1.0~2.0;
(2) with step (1)) sodium tungstate solution that makes is transferred in the hydrothermal reaction kettle,, 120~200 ℃ of following hydro-thermal reactions 10~24 hours;
(3) the tungsten oxide nanometer material that step (2) is made is poured suction filtration in the vacuum filtration device into, uses deionized water wash, and vacuum-drying obtains WO in sintering between 300~500 ℃ after 2~4 hours under air atmosphere 3Nano wire.
(4) with the graphite oxide ultra-sonic dispersion in the agent of reductibility alcohol, the concentration of regulating graphite oxide is 0.5~10mg/mL, ultra-sonic dispersion 1~3 hour;
(5) WO that step (3) is made 3Nano wire mixes with the graphite oxide dispersion liquid that step (4) makes, and mixes back WO 3The mass ratio of nano wire and graphite oxide is 1: 0.01~0.5, transfers in the photo catalysis reactor, and the photo catalytic reduction reaction is 0.5~3 hour under simulated solar irradiation;
(6) pour the product of step (5) in vacuum filtration device suction filtration, use deionized water wash, obtain graphene-supported WO after the vacuum-drying 3The nano wire matrix material.
Concrete, the concentration of sodium tungstate solution can be 0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9 or 1.0mol/L after the concentration adjustment;
After the acidity adjustment pH value of sodium tungstate solution can be for 1.0,1.2., 1.4,1.6,1.8 or 2.0;
Hydrothermal temperature can be 120,130,140,150,160,170,180,190 or 200 ℃; The hydro-thermal reaction time can be 10,12,14,16,18,20,22 or 24 hours;
Maturing temperature can be 300,400 or 500 ℃;
Roasting time can be 1,2,3 or 4 hour;
Graphite oxide concentration can be 0.5,1,2,3,4,5,6,7,8,9 or 10mg/mL;
Ultrasonic time can be 1,1.5,2,2.5 or 3 hour;
WO 3The mass ratio of nano wire and graphite oxide can be 1: 0.01,1: 0.05,1: 0.1,1: 0.2,1: 0.3,1: 0.4 or 1: 0.5;
The light-catalyzed reaction time can be 0.5,1.0,1.5,2,2.5 or 3 hour;
On the basis of such scheme, in the step (1), described acidity regulator is one or more the compsn in acetate, hydrochloric acid, the hydrogen peroxide;
On the basis of such scheme, in the step (4), the compsn of one or more that the pure agent of described reductibility is methyl alcohol, ethanol or terepthaloyl moietie;
On the basis of such scheme, the WO that this method is prepared 3Nano wire and graphene composite material have peacekeeping two dimension composite nanostructure, are a kind of nano composite materials.
The remarkable advantage of technical scheme of the present invention is mainly reflected in:
The reduction that the photo catalytic reduction technology is used for graphite oxide is a kind of green, environment-friendly method of reducing.Optical excitation WO when having hole trapping agents to exist 3The valence band hole that nano wire the produces agent that is hunted down is caught, and the result is under the effect of conduction band reduction potential, and graphite oxide is reduced into Graphene, simultaneously WO 3Internal layer or surface that nano wire is dispersed in Graphene form nano composite material.The advantage of this method is that the forming process of reduction and nano composite material of Graphene is easy, and reagent is cheap, helps mass preparation, for graphite oxide reduction preparation Graphene a kind of green, environment-friendly method of reducing is provided simultaneously.
Description of drawings
Fig. 1 is a kind of graphene-supported WO of the present invention 3The synoptic diagram of nano wire matrix material and preparation method thereof;
Fig. 2 is the XRD figure picture of material of main part among the embodiment 1 (Graphite Powder 99 and graphite oxide);
Fig. 3 is the XRD figure picture of product among the embodiment 1;
Fig. 4 is the SEM image of product among the embodiment 1;
Fig. 5 is the TEM image of product among the embodiment 1.
Embodiment
Embodiment one:
(1) preparation of graphite oxide.The 2g Graphite Powder 99 is joined 80 ℃ Potassium Persulphate (1g), and in the concentrated sulfuric acid solution (15mL) of Vanadium Pentoxide in FLAKES (1g), preoxidation 6 hours is cooled to room temperature afterwards, suction filtration, and washing is to neutral.The Graphite Powder 99 (2g) of preoxidation joined in 0 ℃ the 50mL concentrated sulfuric acid solution, slowly add 6g potassium permanganate afterwards, afterwards in 35 ℃ of reactions 2 hours; The ydrogen peroxide 50 that in reaction solution, slowly adds 100mL deionized water and 20mL 30% at last makes reaction terminating; Suction filtration, washing, dialysis; Make graphite oxide, its XRD figure spectrum is seen Fig. 2;
(2) WO 3The preparation of nano wire.The 3.32g sodium wolframate is joined in the 60mL zero(ppm) water, stirred 10 minutes under the room temperature, slowly drip the hydrochloric acid of 6mol/L then; Regulator solution pH is 1.5, is transferred to afterwards in the 100mL hydrothermal reaction kettle, 180 ℃ of reactions 24 hours; Suction filtration, washing was in 80 ℃ of vacuum-dryings 6 hours; Under air atmosphere, 400 ℃ of roastings 2 hours, naturally cooling obtains WO 3Nano wire.The XRD figure spectrum of product is seen Fig. 2;
(3) graphite oxide dispersion liquid preparation.With 22.5mg graphite oxide ultra-sonic dispersion in the 50mL absolute ethyl alcohol, ultrasonic time 1 hour;
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 1 hour under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.The XRD figure spectrum of product is seen Fig. 2, and TEM figure sees Fig. 3, and SEM figure sees Fig. 4.
Embodiment two:
(1) with the step in the embodiment 1 (1);
(2) with the step in the embodiment 1 (2);
(3) graphite oxide dispersion liquid preparation.With 100mg graphite oxide ultra-sonic dispersion in the 70mL absolute ethyl alcohol, ultrasonic time 1.5 hours;
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 1.5 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.
Embodiment three:
(1) with the step in the embodiment 1 (1);
(2) with the step in the embodiment 1 (2);
(3) graphite oxide dispersion liquid preparation.With 200mg graphite oxide ultra-sonic dispersion in the 70mL absolute ethyl alcohol, ultrasonic time 1.5 hours;
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 1.5 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.
Embodiment four:
(1) with the step in the embodiment 1 (1);
(2) with the step in the embodiment 1 (2);
(3) graphite oxide dispersion liquid preparation.With 400mg graphite oxide ultra-sonic dispersion in the 70mL absolute ethyl alcohol, ultrasonic time 2 hours;
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 2 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.
Embodiment five:
(1) with the step in the embodiment 1 (1);
(2) with the step in the embodiment 1 (2);
(3) graphite oxide dispersion liquid preparation.With 600mg graphite oxide ultra-sonic dispersion in the 70mL absolute ethyl alcohol, ultrasonic time 2 hours;
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 3 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.
Embodiment six:
(1) with the step in the embodiment 1 (1);
(2) WO 3The preparation of nano wire.The 3.32g sodium wolframate is joined in the 60mL zero(ppm) water, stirred 10 minutes under the room temperature, slowly drip the hydrochloric acid of 6mol/L then; Regulator solution pH is 2, is transferred to afterwards in the 100mL hydrothermal reaction kettle, 160 ℃ of reactions 24 hours; Suction filtration, washing was in 80 ℃ of vacuum-dryings 6 hours; Under air atmosphere, 400 ℃ of roastings 2 hours, naturally cooling obtains WO 3Nano wire;
(3) with the step in the embodiment 1 (3);
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 1.5 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.
Embodiment seven:
(1) with the step in the embodiment 1 (1);
(2) WO 3The preparation of nano wire.The 3.32g sodium wolframate is joined in the 60mL zero(ppm) water, stirred 10 minutes under the room temperature, slowly drip the hydrochloric acid of 6mol/L then; Regulator solution pH is 1.5, is transferred to afterwards in the 100mL hydrothermal reaction kettle, 140 ℃ of reactions 24 hours; Suction filtration, washing was in 80 ℃ of vacuum-dryings 6 hours; Under air atmosphere, 400 ℃ of roastings 2 hours, naturally cooling obtains WO 3Nano wire;
(3) with the step in the embodiment 1 (3);
(4) WO that step (2) and step (3) is obtained 3Nano wire mixes with the graphite oxide dispersion liquid, is transferred to afterwards in the photo catalysis reactor, and the photo catalytic reduction reaction is 2 hours under simulated solar irradiation, filters, and washing in 80 ℃ of vacuum-dryings 12 hours, obtains graphene-supported WO 3The nano wire nano composite material.

Claims (6)

1.一种石墨烯负载WO3纳米线复合材料,其特征是一维与二维纳米复合材料,WO3纳米线直径为10~100纳米,长度为50~600纳米,贯穿或分布在层状石墨烯主体材料的内层或表面。1. A graphene-loaded WO3 nanowire composite material, characterized in that it is a one-dimensional and two-dimensional nanocomposite material, and the WO3 nanowire has a diameter of 10 to 100 nanometers and a length of 50 to 600 nanometers, running through or distributed in layered The inner layer or surface of the graphene host material. 2.一种石墨烯负载WO3纳米线复合材料的制备方法,其特征在于,该方法包括以下步骤:2. a kind of preparation method of graphene load WO 3 nanowire composite material, it is characterized in that, the method comprises the following steps: (1)将钨酸钠溶解于蒸馏水中,加入酸度调节剂,调节钨酸钠溶液的浓度为0.1~1.0,pH为1.0~2.0;(1) Dissolve sodium tungstate in distilled water, add an acidity regulator, adjust the concentration of sodium tungstate solution to 0.1-1.0, and pH to 1.0-2.0; (2)将步骤(1))制得的钨酸钠溶液转移至水热反应釜中,,在120~200℃下水热反应10~24小时;(2) Transfer the sodium tungstate solution prepared in step (1) to a hydrothermal reaction kettle, and conduct a hydrothermal reaction at 120-200°C for 10-24 hours; (3)将步骤(2)制得的氧化钨纳米材料倒入真空抽滤装置中抽滤,用去离子水洗涤,真空干燥,在空气气氛下于300~500℃之间烧结2~4小时后得到WO3纳米线。(3) Pour the tungsten oxide nanomaterial prepared in step (2) into a vacuum filtration device for suction filtration, wash with deionized water, dry in vacuum, and sinter at 300-500°C for 2-4 hours in an air atmosphere Finally, WO 3 nanowires were obtained. (4)将石墨氧化物超声分散在还原性醇剂中,调节石墨氧化物的浓度为0.5~10mg/mL,超声时间为1~3小时;(4) ultrasonically disperse the graphite oxide in the reducing alcohol, adjust the concentration of the graphite oxide to 0.5-10 mg/mL, and the ultrasonic time to 1-3 hours; (5)将步骤(3)制得的WO3纳米线与步骤(4)制得的石墨氧化物分散液混合,混合后WO3纳米线与石墨氧化物的质量比为1∶0.01~0.5,再转移至光催化反应器中,在模拟太阳光下光催化还原反应0.5~3小时;(5) mixing the WO3nanowires prepared in step (3) with the graphite oxide dispersion prepared in step (4), after mixing, the mass ratio of WO3nanowires to graphite oxides is 1: 0.01~0.5, Then transfer it to a photocatalytic reactor, and perform a photocatalytic reduction reaction under simulated sunlight for 0.5 to 3 hours; (6)将步骤(5)的产物倒入真空抽滤装置中抽滤,用去离子水洗涤,真空干燥后获得石墨烯负载WO3纳米线复合材料。(6) Pour the product of step (5) into a vacuum filtration device for suction filtration, wash with deionized water, and obtain graphene-loaded WO 3 nanowire composite material after vacuum drying. 3.根据权利要求2所述的一种石墨烯负载WO3纳米线复合材料的制备方法,其特征在于:步骤(1)中,所述的酸度调节剂为乙酸、盐酸、过氧化氢中的一种或几种的组合物;3. a kind of graphene load WO according to claim 2 The preparation method of nanowire composite material is characterized in that: in step (1), described acidity regulator is acetic acid, hydrochloric acid, hydrogen peroxide in One or several combinations; 4.根据权利要求2所述的一种石墨烯负载WO3纳米线复合材料的制备方法,其特征在于:步骤(4)中,所述的还原性醇剂为甲醇、乙醇或乙二醇的一种或几种的组合物;4. a kind of graphene load WO according to claim 2 The preparation method of nanowire composite material is characterized in that: in step (4), described reductive alcoholic agent is methyl alcohol, ethanol or ethylene glycol One or several combinations; 5.根据权利要求2所述的一种石墨烯负载WO3纳米线复合材料的制备方法,一种石墨烯负载WO3纳米线复合材料步骤(5)中,所述的模拟太阳光为氙灯,功率为100W、150W、200W或500W的一种。5. the preparation method of a kind of graphene-loaded WO3nanowire composite material according to claim 2, a kind of graphene-loaded WO3nanowire composite material step (5), described simulated sunlight is a xenon lamp, A power of 100W, 150W, 200W or 500W. 6.一种石墨烯负载WO3纳米线复合材料,其特征在于:是由权利要求2-5任意一项所述的制备方法得到的。6. A graphene-loaded WO 3 nanowire composite material, characterized in that it is obtained by the preparation method described in any one of claims 2-5.
CN2011103865404A 2011-11-20 2011-11-20 A kind of graphene loaded WO3 nanowire composite material and preparation method thereof Pending CN102531063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103865404A CN102531063A (en) 2011-11-20 2011-11-20 A kind of graphene loaded WO3 nanowire composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011103865404A CN102531063A (en) 2011-11-20 2011-11-20 A kind of graphene loaded WO3 nanowire composite material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN102531063A true CN102531063A (en) 2012-07-04

Family

ID=46339284

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103865404A Pending CN102531063A (en) 2011-11-20 2011-11-20 A kind of graphene loaded WO3 nanowire composite material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN102531063A (en)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103638922A (en) * 2013-12-13 2014-03-19 南通职业大学 Preparation method of mesoporous tungsten trioxide/reduction-oxidation graphene composite photocatalyst
CN103936074A (en) * 2014-04-02 2014-07-23 长安大学 Method for synthesizing superfine tungsten trioxide all nanorods by use of hydrothermal process
CN104402056A (en) * 2014-10-30 2015-03-11 郑州轻工业学院 A semi-tubular nano-WO3/graphene composite gas-sensing material and its preparation method and application
CN104465077A (en) * 2014-12-15 2015-03-25 苏州宽温电子科技有限公司 Electrode material and manufacturing method thereof
CN104807860A (en) * 2014-12-23 2015-07-29 郑州轻工业学院 A flower-shaped nano-WO3/graphene composite gas-sensing material and its preparation method and application
CN104916459A (en) * 2015-06-29 2015-09-16 东华大学 Preparation method of highly-oriented graphene film for supercapacitor
CN106268798A (en) * 2016-07-18 2017-01-04 刘义林 Pd/WO for formic acid oxidation3rGO catalyst and preparation method thereof
CN106410221A (en) * 2016-12-08 2017-02-15 天津工业大学 Method for preparing nanowire sheet intercalated structure supported type direct alcohol fuel cell catalyst
CN106495223A (en) * 2016-10-27 2017-03-15 浙江大学 A kind of preparation method of monocline tungsten trioxide nano band
CN106848338A (en) * 2017-01-16 2017-06-13 济南大学 A kind of preparation method of the catalyst of graphene-supported Ni base oxides
CN106941168A (en) * 2017-04-19 2017-07-11 扬州大学 A kind of column GO@WO3The preparation method of@S composites
CN107051425A (en) * 2017-04-19 2017-08-18 桂林理工大学 A kind of preparation method of the water tungsten oxide ultrathin nanometer piece composite photo-catalyst of graphene quantum dot/bis-
JP2017528401A (en) * 2014-07-25 2017-09-28 ▲蘇▼州▲漢▼瀚▲儲▼能科技有限公司 Applications of tungsten-containing materials
CN107324390A (en) * 2017-06-28 2017-11-07 中国航发北京航空材料研究院 A kind of nano oxidized tungsten wire of graphene oxide growth in situ hollow structure
CN107364892A (en) * 2017-06-28 2017-11-21 中国航发北京航空材料研究院 Graphene oxide in situ synthesis prepares the nano oxidized tungsten wire of hollow structure and prepares method
CN108993480A (en) * 2018-07-12 2018-12-14 同济大学 A kind of method of Z-type catalyst degradation antibiotic under visible light
CN109629228A (en) * 2018-12-19 2019-04-16 苏州大学 A kind of multifunctional fabric and its preparation method and application
CN110137486A (en) * 2019-05-21 2019-08-16 南京工业大学 Preparation method of transition metal oxide nano material synthesized from top to bottom
WO2021203804A1 (en) * 2020-04-10 2021-10-14 中国石油化工股份有限公司 Self-heating gas sensor, gas-sensitive material, preparation method for same, and applications thereof
CN114772646A (en) * 2022-04-29 2022-07-22 福州大学 Preparation method of tungsten oxide nanomaterial and application in photocatalytic desulfurization
CN115159577A (en) * 2022-05-30 2022-10-11 沈阳工业大学 Three-dimensional tungsten oxide material composed of nanofibers and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913597A (en) * 2010-09-14 2010-12-15 武汉理工大学 A kind of tungsten oxide nanowire and porous carbon nanocomposite structure material and its preparation method
CN102082032A (en) * 2010-09-27 2011-06-01 清华大学 Paper dye sensitization solar battery photo-anode and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913597A (en) * 2010-09-14 2010-12-15 武汉理工大学 A kind of tungsten oxide nanowire and porous carbon nanocomposite structure material and its preparation method
CN102082032A (en) * 2010-09-27 2011-06-01 清华大学 Paper dye sensitization solar battery photo-anode and preparation method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
GRAEME WILLIAMS ET AL.: "TiO2-Graphene Nanocomposites.UV-Assisted Photocatalytic Reduction of Graphene Oxide", 《ACSNANO》, vol. 2, no. 7, 3 July 2008 (2008-07-03), pages 1487 - 1491, XP009127708, DOI: 10.1021/nn800251f *
JIANMIN MA ET AL.: "Topochemical Preparation of WO3 Nanoplates through Precursor H2WO4 and Their Gas-Sensing Performances", 《J.PHYS.CHEM.C》, vol. 115, 16 August 2011 (2011-08-16), pages 18157 - 18163 *

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103638922A (en) * 2013-12-13 2014-03-19 南通职业大学 Preparation method of mesoporous tungsten trioxide/reduction-oxidation graphene composite photocatalyst
CN103638922B (en) * 2013-12-13 2015-06-24 南通职业大学 Preparation method of mesoporous tungsten trioxide/reduction-oxidation graphene composite photocatalyst
CN103936074B (en) * 2014-04-02 2015-08-19 长安大学 The method of the full nanometer rod of a kind of water heat transfer ultrafine tungsten trioxide
CN103936074A (en) * 2014-04-02 2014-07-23 长安大学 Method for synthesizing superfine tungsten trioxide all nanorods by use of hydrothermal process
JP2017528401A (en) * 2014-07-25 2017-09-28 ▲蘇▼州▲漢▼瀚▲儲▼能科技有限公司 Applications of tungsten-containing materials
CN104402056B (en) * 2014-10-30 2016-01-20 郑州轻工业学院 A kind of halfpipe nanometer WO 3/ Graphene composite air-sensitive material and its preparation method and application
CN104402056A (en) * 2014-10-30 2015-03-11 郑州轻工业学院 A semi-tubular nano-WO3/graphene composite gas-sensing material and its preparation method and application
CN104465077A (en) * 2014-12-15 2015-03-25 苏州宽温电子科技有限公司 Electrode material and manufacturing method thereof
CN104465077B (en) * 2014-12-15 2017-08-29 苏州宽温电子科技有限公司 A kind of electrode material and preparation method thereof
CN104807860A (en) * 2014-12-23 2015-07-29 郑州轻工业学院 A flower-shaped nano-WO3/graphene composite gas-sensing material and its preparation method and application
CN104916459A (en) * 2015-06-29 2015-09-16 东华大学 Preparation method of highly-oriented graphene film for supercapacitor
CN104916459B (en) * 2015-06-29 2018-01-02 东华大学 A kind of preparation method of the highly oriented graphene film of ultracapacitor
CN106268798A (en) * 2016-07-18 2017-01-04 刘义林 Pd/WO for formic acid oxidation3rGO catalyst and preparation method thereof
CN106495223A (en) * 2016-10-27 2017-03-15 浙江大学 A kind of preparation method of monocline tungsten trioxide nano band
CN106410221A (en) * 2016-12-08 2017-02-15 天津工业大学 Method for preparing nanowire sheet intercalated structure supported type direct alcohol fuel cell catalyst
CN106848338A (en) * 2017-01-16 2017-06-13 济南大学 A kind of preparation method of the catalyst of graphene-supported Ni base oxides
CN106848338B (en) * 2017-01-16 2019-12-13 济南大学 A kind of preparation method of the catalyst of graphene supported Ni base oxide
CN107051425A (en) * 2017-04-19 2017-08-18 桂林理工大学 A kind of preparation method of the water tungsten oxide ultrathin nanometer piece composite photo-catalyst of graphene quantum dot/bis-
CN106941168A (en) * 2017-04-19 2017-07-11 扬州大学 A kind of column GO@WO3The preparation method of@S composites
CN107364892A (en) * 2017-06-28 2017-11-21 中国航发北京航空材料研究院 Graphene oxide in situ synthesis prepares the nano oxidized tungsten wire of hollow structure and prepares method
CN107324390A (en) * 2017-06-28 2017-11-07 中国航发北京航空材料研究院 A kind of nano oxidized tungsten wire of graphene oxide growth in situ hollow structure
CN108993480A (en) * 2018-07-12 2018-12-14 同济大学 A kind of method of Z-type catalyst degradation antibiotic under visible light
CN108993480B (en) * 2018-07-12 2021-06-04 同济大学 Method for catalytically degrading antibiotics by using Z-type catalyst under visible light
CN109629228A (en) * 2018-12-19 2019-04-16 苏州大学 A kind of multifunctional fabric and its preparation method and application
CN110137486A (en) * 2019-05-21 2019-08-16 南京工业大学 Preparation method of transition metal oxide nano material synthesized from top to bottom
WO2021203804A1 (en) * 2020-04-10 2021-10-14 中国石油化工股份有限公司 Self-heating gas sensor, gas-sensitive material, preparation method for same, and applications thereof
CN114772646A (en) * 2022-04-29 2022-07-22 福州大学 Preparation method of tungsten oxide nanomaterial and application in photocatalytic desulfurization
CN114772646B (en) * 2022-04-29 2023-11-10 福州大学 Preparation method of tungsten oxide nano material and application of tungsten oxide nano material in photocatalytic desulfurization
CN115159577A (en) * 2022-05-30 2022-10-11 沈阳工业大学 Three-dimensional tungsten oxide material composed of nanofibers and preparation method thereof
CN115159577B (en) * 2022-05-30 2023-08-25 沈阳工业大学 Three-dimensional tungsten oxide material composed of nanofibers and preparation method thereof

Similar Documents

Publication Publication Date Title
CN102531063A (en) A kind of graphene loaded WO3 nanowire composite material and preparation method thereof
Cheng et al. Three-dimensional assembly of yttrium oxide nanosheets into luminescent aerogel monoliths with outstanding adsorption properties
Roozban et al. The experimental and statistical investigation of the photo degradation of methyl orange using modified MWCNTs with different amount of ZnO nanoparticles
Liu et al. Facile fabrication of multi-walled carbon nanotubes (MWCNTs)/α-Bi 2 O 3 nanosheets composite with enhanced photocatalytic activity for doxycycline degradation under visible light irradiation
Tahir Construction of MoS2/CND-WO3 ternary composite for photocatalytic hydrogen evolution
CN102614871B (en) A kind of method that liquid phase method prepares graphene/silver nanoparticle composite material
CN103691433B (en) A kind of Ag doped Ti O 2material, and its preparation method and application
CN102580739B (en) Graphene/silver molybdenum oxide compound visible-light catalyst and preparation method thereof
CN103265020B (en) Method for preparing graphene quantum dot powder on large scale
CN102698747B (en) Silver/graphene compound material and application
Wang et al. Synergetic catalysis of CuO and graphene additives on TiO2 for photocatalytic water splitting
Li et al. Fabrication, characterization, and photocatalytic property of α-Fe 2 O 3/graphene oxide composite
CN102580736B (en) Grapheme / silver vanadium oxide nanometer composite visible light catalyst and preparation method thereof
CN102125056A (en) Method for preparing silver/graphene antimicrobial composite material
CN102688755A (en) A kind of Ag/TiO2/graphene nanocomposite photocatalyst and preparation method thereof
CN103551145B (en) A kind of preparation method of Nano Silver/Graphene/P25 composite
CN102557021B (en) Nanocomposite material preparation method based on graphene oxide autocatalysis
CN102160995A (en) Method for preparing nanometer metal oxide/graphene composite photocatalyst
CN102581297A (en) Method for preparing controllable green synthetic metallic nano-materials based on graphene oxide
Alosfur et al. Modified microwave method for the synthesis of visible light-responsive TiO 2/MWCNTs nanocatalysts
CN101485981B (en) A kind of preparation method of inorganic antibacterial composite material
CN102965105A (en) A kind of graphene-CuInS2 quantum dot composite and preparation method thereof
Xue et al. Facile fabrication of BiOCl/RGO/protonated g-C3N4 ternary nanocomposite as Z-scheme photocatalyst for tetracycline degradation and benzyl alcohol oxidation
Si et al. AgBr@ TiO 2/GO ternary composites with enhanced photocatalytic activity for oxidation of benzyl alcohol to benzaldehyde
CN104014355A (en) Preparation method of visible-light catalyst

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: 20120704

WD01 Invention patent application deemed withdrawn after publication