CN103570070A - Preparation method of self-assembly W18049 nanostructure - Google Patents
Preparation method of self-assembly W18049 nanostructure Download PDFInfo
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- CN103570070A CN103570070A CN201310548256.1A CN201310548256A CN103570070A CN 103570070 A CN103570070 A CN 103570070A CN 201310548256 A CN201310548256 A CN 201310548256A CN 103570070 A CN103570070 A CN 103570070A
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Abstract
The invention provides a preparation method of a self-assembly W18049 nanostructure. The preparation method is characterized by comprising the following steps: weighing WC16 and ZnCl2; dissolving the WC16 and the ZnCl2 into a mixed solvent of ethanol and polyethylene glycol 400; transferring into a reaction kettle, and reacting under the condition of 160-220 DEG C for 18-24 hours; centrifugalizing; carrying out solid-liquid separation; and washing to obtain a solid, namely the self-assembly W18049 nanostructure. The preparation method provided by the invention can be used for preparing the self-assembly W18049 nanostructure by taking a common precursor as a raw material and using a simple experiment device; the prepared self-assembly W18049 nanostructure ranges from 700 micrometers to 1.4 micrometers on structural size and comprises nanometer bundles of 5-20 nanometers. The self-assembly W18049 nanostructure provided by the invention can be well dispersed in water and achieves very high absorption in a near-infrared region; the prepared self-assembly W18049 nanostructure is expected to be used for the fields of photoelectricity, nano-biology and the like.
Description
Technical field
The invention belongs to field of nano material preparation, particularly a kind of self-assembly W
18o
49the preparation method of nanostructure.
Background technology
Nanoassemble structure is the optical application of nano material, an important prerequisite condition of photovoltaic applications.Self-assembled nano structures has more excellent characteristic (J.Am.Chem.Soc.2011,133,15946) with respect to single nanostructure.Tungsten oxide 99.999, as a kind of important semiconductor material, has a wide range of applications in a lot of fields, has been a great concern.For example, Tungsten oxide 99.999 (WO
3-x) nano material applied and gas sensor (Adv.Funct.Mater.2008,18,1922), electrochromic (Chem.Eur.J.2011,17,5145), photochemical catalysis (Small2008,4,1813), photo-thermal therapy cancer cells (Adv.Mater.2013,25,2095).The WO reporting at present
3-xnanostructure is mainly nano wire and nanometer rod, and self-assembly W
18o
49nanostructure has no report.
The present invention is by the synthetic self-assembly W of conventional precursor cheaply
18o
49nanostructure.Simple to operate without equipment requirements.Product, owing to there is oxygen defect, has very strong absorption near infrared region.
Summary of the invention
The object of this invention is to provide the synthetic self-assembly W of a kind of conventional precursor cheaply
18o
49the method of nanostructure.
In order to achieve the above object, the invention provides a kind of self-assembly W
18o
49the preparation method of nanostructure, is characterized in that, concrete steps comprise: take WCl
6and ZnCl
2, be dissolved in the mixed solvent of ethanol and poly(oxyethylene glycol) 400, be transferred in reactor, under 160-220 ℃ of condition, react 18-24h, centrifugal, solid-liquid separation, the solid of washing gained, obtains self-assembly W
18o
49nanostructure.
Preferably, described WCl
6and ZnCl
2mol ratio be 1: 0.3-0.9.
Preferably, in described ethanol and the mixed solvent of poly(oxyethylene glycol) 400, the volume ratio of ethanol and poly(oxyethylene glycol) 400 is 1: 0.25-1.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention be take common precursor as raw material, with simple experimental installation, can prepare self-assembly W
18o
49nanostructure; The self-assembly W of preparation
18o
49nanostructure size, within 700-1.4 μ m scope, is comprised of the nanometer bundle of 5-20nm.Well being dispersed in water of this self-assembled structures, has very strong absorption in near-infrared region.The self-assembly W of preparation
18o
49nano junction is expected for fields such as photoelectricity, nano biologicals.
2, preparation method's of the present invention operating process is simple, and starting material are cheap and easy to get, and repetition rate is high.
Accompanying drawing explanation
Fig. 1 is the self-assembly W preparing in the present invention
18o
49the low power of nanostructure, high power scanning electron microscope picture and high resolution transmission plot;
Fig. 2 is the self-assembly W preparing in the present invention
18o
49the XRD figure sheet of nanostructure;
Fig. 3 is the self-assembly W preparing in the present invention
18o
49the absorption spectrum of nanostructure;
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, be described in detail below.
Embodiment 1
Take 0.1980g WCl
6, 0.0245g ZnCl
2, be dissolved in the mixed solvent of 40mL ethanol and 10mL poly(oxyethylene glycol) 400, be transferred in the reactor that volume is 60mL, under 180 ℃ of conditions, react 24h, centrifugal, abandon supernatant liquor, the solid of washing gained, obtains blue product, is self-assembly W
18o
49nanostructure.Fig. 1 a, 1b illustrate prepared W
18o
49for nano wire bundle by 5-20nm is assembled into.Fig. 1 c illustrates growing along (010) direction of this self-assembled structures, corresponding with Fig. 2.Fig. 3 is the uv-visible absorption spectra of this structure, shows that this self-assembled structures has very strong near infrared absorption, is expected for photo-thermal therapy.
Embodiment 2
Take 0.1980g WCl
6, 0.0245g ZnCl
2, be dissolved in the mixed solvent of 30mL ethanol and 20mL poly(oxyethylene glycol) 400, be transferred in the reactor that volume is 60mL, under 180 ℃ of conditions, react 24h.Centrifugal, abandon supernatant liquor, the solid of washing gained, obtains blue product, is self-assembly W
18o
49nanostructure.
Embodiment 3
Take 0.3960g WCl
6, 0.0490g ZnCl
2, be dissolved in the mixed solvent of 40mL ethanol and 10mL poly(oxyethylene glycol) 400, be transferred in the reactor that volume is 60mL, under 180 ℃ of conditions, react 24h.Centrifugal, abandon supernatant liquor, the solid of washing gained, obtains blue product, is self-assembly W
18o
49nanostructure.
Embodiment 4
Take 0.1980g WCl
6, 0.0245g ZnCl
2, be dissolved in the mixed solvent of 30mL ethanol and 20mL poly(oxyethylene glycol) 400, be transferred in the reactor that volume is 60mL, under 180 ℃ of conditions, react 12h.Centrifugal, abandon supernatant liquor, the solid of washing gained, obtains blue product, is self-assembly W
18o
49nanostructure.
Claims (3)
1. a self-assembly W
18o
49the preparation method of nanostructure, is characterized in that, concrete steps comprise: take WCl
6and ZnCl
2, be dissolved in the mixed solvent of ethanol and poly(oxyethylene glycol) 400, be transferred in reactor, under 160-220 ℃ of condition, react 18-24h, centrifugal, solid-liquid separation, the solid of washing gained, obtains self-assembly W
18o
49nanostructure.
2. self-assembly W as claimed in claim 1
18o
49the preparation method of nanostructure, is characterized in that, described WCl
6and ZnCl
2mol ratio be 1: 0.3-0.9.
3. self-assembly W as claimed in claim 1
18o
49the preparation method of nanostructure, is characterized in that, in described ethanol and the mixed solvent of poly(oxyethylene glycol) 400, the volume ratio of ethanol and poly(oxyethylene glycol) 400 is 1: 0.25-1.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818964A (en) * | 2014-02-27 | 2014-05-28 | 盐城工学院 | Preparation method for W18O49 ultrafine nanowire |
| CN103977789A (en) * | 2014-05-23 | 2014-08-13 | 福州大学 | W18O49 nanosphere peroxidase analogue and application thereof |
| CN104549267A (en) * | 2015-01-25 | 2015-04-29 | 北京工业大学 | Method for preparing Me/W18O49 supported catalyst by oriented deposition of noble metals by virtue of self reduction method |
| CN106824190A (en) * | 2017-03-03 | 2017-06-13 | 中国科学技术大学先进技术研究院 | A kind of WO3‑xNanocatalyst and its preparation, application |
| CN107159187A (en) * | 2017-04-05 | 2017-09-15 | 大连民族大学 | It is non-metering than tungsten oxide/titanium dioxide classifying nano heterojunction structure photochemical catalyst and preparation method |
| CN110563042A (en) * | 2019-09-17 | 2019-12-13 | 西南交通大学 | Preparation method of oxygen-deficient tungsten oxide |
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| CN101311367A (en) * | 2008-04-11 | 2008-11-26 | 清华大学 | Tungsten oxide nano-material and method for preparing same |
| CN102012386A (en) * | 2010-10-24 | 2011-04-13 | 天津大学 | Preparation method of nitric oxide gas sensor element based on pseudodirected tungsten trioxide nano tape |
| CN102921006A (en) * | 2012-11-13 | 2013-02-13 | 东华大学 | Application of tungsten oxide matrix nanometer materials in preparation of near-infrared light heat treatment drugs |
-
2013
- 2013-11-07 CN CN201310548256.1A patent/CN103570070A/en active Pending
Patent Citations (3)
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| CN101311367A (en) * | 2008-04-11 | 2008-11-26 | 清华大学 | Tungsten oxide nano-material and method for preparing same |
| CN102012386A (en) * | 2010-10-24 | 2011-04-13 | 天津大学 | Preparation method of nitric oxide gas sensor element based on pseudodirected tungsten trioxide nano tape |
| CN102921006A (en) * | 2012-11-13 | 2013-02-13 | 东华大学 | Application of tungsten oxide matrix nanometer materials in preparation of near-infrared light heat treatment drugs |
Non-Patent Citations (2)
| Title |
|---|
| XUETING CHANG, ET AL.: "Synthesis of transition metal-doped tungsten oxide nanostructures and their optical properties", 《MATERIALS LETTERS》, vol. 65, 24 February 2011 (2011-02-24), pages 1710 - 1712, XP028198385, DOI: doi:10.1016/j.matlet.2011.02.060 * |
| ZHIGANG CHEN, ET AL.: "Ultrathin PEGylated W18O49 Nanowires as a New 980 nm-Laser-Driven Photothermal Agent for Effi cient Ablation of Cancer Cells In Vivo", 《ADV. MATER.》, vol. 25, 21 February 2013 (2013-02-21), pages 2095 - 2100 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818964A (en) * | 2014-02-27 | 2014-05-28 | 盐城工学院 | Preparation method for W18O49 ultrafine nanowire |
| CN103977789A (en) * | 2014-05-23 | 2014-08-13 | 福州大学 | W18O49 nanosphere peroxidase analogue and application thereof |
| CN103977789B (en) * | 2014-05-23 | 2016-06-01 | 福州大学 | A kind of W18O49Nanometer ball peroxidase and application thereof |
| CN104549267A (en) * | 2015-01-25 | 2015-04-29 | 北京工业大学 | Method for preparing Me/W18O49 supported catalyst by oriented deposition of noble metals by virtue of self reduction method |
| CN106824190A (en) * | 2017-03-03 | 2017-06-13 | 中国科学技术大学先进技术研究院 | A kind of WO3‑xNanocatalyst and its preparation, application |
| CN106824190B (en) * | 2017-03-03 | 2023-12-29 | 中国科学技术大学先进技术研究院 | WO (WO) 3-x Nanometer catalyst and its preparation and application |
| CN107159187A (en) * | 2017-04-05 | 2017-09-15 | 大连民族大学 | It is non-metering than tungsten oxide/titanium dioxide classifying nano heterojunction structure photochemical catalyst and preparation method |
| CN110563042A (en) * | 2019-09-17 | 2019-12-13 | 西南交通大学 | Preparation method of oxygen-deficient tungsten oxide |
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Application publication date: 20140212 |