CN107604442A - A kind of method that emulsion suspension prepares colloidal crystal - Google Patents
A kind of method that emulsion suspension prepares colloidal crystal Download PDFInfo
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- CN107604442A CN107604442A CN201710796449.7A CN201710796449A CN107604442A CN 107604442 A CN107604442 A CN 107604442A CN 201710796449 A CN201710796449 A CN 201710796449A CN 107604442 A CN107604442 A CN 107604442A
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Abstract
The present invention discloses a kind of method that emulsion suspension prepares colloidal crystal, comprises the following steps：S1, prepare colloidal particle suspension emulsion；S2, colloidal particle suspension emulsion is expelled to substrate lower surface to be coated, under attraction force of the substrate to be coated to suspension emulsion, suspension emulsion is suspended on substrate lower surface to be coated；S3, the substrate to be coated that will be hung with suspension emulsion move into 40~150 DEG C of temperature atmosphere, the dispersion liquid in suspension emulsion evaporate, obtained colloidal crystal；Colloidal particle pests occurrence rule in the presence of the power such as capillary force, self gravitation caused by dispersion liquid evaporation is arranged so as to which colloidal crystal be made, when suspension is hung downwards, in the presence of dispersion liquid gravity, the interfacial tension formed between liquid level and substrate can be increased, it is the capillary force for becoming to making bead to arrange, so as to improve the film-forming colloids plane of crystal uniformity；This method preparation process is simple, efficiency high, without using complicated equipment.
Description
Technical field
The present invention relates to a kind of method that emulsion suspension prepares colloidal crystal.
Background technology
Colloidal crystal is that a kind of micron, sub-micron or nanometer organic or inorganic particle are formed by regular close arrangement accumulation
A kind of structure of albuminoid stone.It has a wide range of applications in numerous areas, such as：Optical filter, catalyst, chemical sensitisation
Device, catalyst, photonic crystal, the auxiliary of moistened surface and its two-dimensional pattern structure are prepared etc..
At present, the colloidal crystal preparation method of main flow has vertical dipping self-assembly method, czochralski method, spin-coating method, electrochemistry to sink
Product, convection current assembling etc..These methods have the shortcomings that its is intrinsic, predominantly：Equipment that is complex, or needing complicated is operated, and
And it is not high to the utilization rate of raw material, easily cause to waste, while it is very low to plate membrane efficiency.And for occurring in traditional colloidal crystal
Film surface non-uniform phenomenon or the thickness gradient phenomenon of appearance be also one of faced problem.
The content of the invention
It is an object of the invention to provide a kind of method that emulsion suspension prepares colloidal crystal, the letter of this method preparation process
Single, efficiency high, without using complicated equipment, colloidal crystal surface uniformity can be obviously improved.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of method that emulsion suspension prepares colloidal crystal, comprises the following steps：
S1, prepare latex particle suspension emulsion；
S2, latex particle suspension emulsion is expelled to substrate lower surface to be coated, in attraction of the substrate to be coated to suspension emulsion
Under active force, suspension emulsion is suspended on substrate lower surface to be coated；
S3, the substrate to be coated that will be hung with suspension emulsion move into 40~150 DEG C of temperature atmosphere, make scattered in suspension emulsion
Liquid evaporates, and colloidal crystal is made.
Further, the latex particle that the latex particle suspension emulsion uses is silica bead particle, polystyrene
Bead particle or polymethyl methacrylate bead micro-nano particle, latex particle solid content are 0.1~5.0%.
Further, the dispersion liquid that the latex particle suspension emulsion uses is deionized water or organic solvent.
Further, the temperature atmosphere is obtained using the heating of normal temperature and pressure baking oven, heating in vacuum or microwave heating.
The beneficial effects of the invention are as follows：There is very firm absorption affinity between latex particle suspension and substrate to be coated, suspend
Liquid can be suspended in substrate lower surface under absorption affinity, surface tension, the balance of self gravitation, and latex particle evaporates in dispersion liquid to be produced
Pests occurrence rule arrangement is so as to being made colloidal crystal in the presence of the power such as raw capillary force, self gravitation；In latex particle bead
During self assembly prepares crystal, capillary force caused by the liquid phase evaporation suffered by bead, the interphase interaction of particle
The key player that the stress systems such as power are played the part of, the present invention change the stress system of bead under traditional mode, when suspension to
During lower suspension, in the presence of dispersion liquid gravity, the interfacial tension formed between liquid level and substrate can be increased, that is, become to arranging bead
The capillary force of row, so as to improve the film-forming colloids plane of crystal uniformity；This method preparation process is simple, efficiency high, without adopting
With the equipment of complexity.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the typical polystyrene colloid crystal prototype picture that the embodiment of the present invention obtains；
Fig. 3 is the typical polystyrene colloid crystal prototype Surface Microtexture figure that the embodiment of the present invention obtains.
Embodiment
Embodiment one
As shown in figure 1, the present invention provides a kind of method that emulsion suspension prepares colloidal crystal, comprise the following steps：
S1, prepare latex particle suspension emulsion；It is scattered to obtain the polyphenyl that solid content is 0.1% using deionized water as dispersion liquid
Ethene colloidal particle suspension microemulsion；
As substrate 1 to be coated, plated film area selection is 1cm for S2, the substrate of glass for treating hydroxylating2, by 40ul colloids
Particle suspension emulsion microsyringe 2 is expelled to substrate lower surface to be coated, in attraction of the substrate 1 to be coated to suspension emulsion
Under active force, suspension emulsion 3 is suspended on the lower surface of substrate 1 to be coated；
S3, with reference to shown in Fig. 2 and Fig. 3, the substrate to be coated that will be hung with suspension emulsion moves into 40 DEG C of baking oven, makes suspension newborn
Dispersion liquid evaporation in liquid, particle pests occurrence rule in the presence of the power such as capillary force, self gravitation caused by dispersion liquid evaporation
Arrangement, colloidal crystal is made.
Embodiment two
The present invention provides a kind of method that emulsion suspension prepares colloidal crystal, comprises the following steps：
S1, prepare latex particle suspension emulsion；It is scattered to obtain the silicon oxide colloid that solid content is 5% using ethanol as dispersion liquid
Particle suspension microemulsion；
As substrate to be coated, plated film area selection is 1cm for S2, the substrate of glass for treating hydroxylating2, by 40ul colloid grains
Sub- suspension emulsion is expelled to substrate lower surface to be coated with microsyringe, the sucking action in substrate to be coated to suspension emulsion
Under power, suspension emulsion is suspended on substrate lower surface to be coated；
S3, the substrate to be coated that will be hung with suspension emulsion move into 150 DEG C of vacuum tube furnace, make scattered in suspension emulsion
Liquid is evaporated, and nano-particle pests occurrence rule in the presence of the power such as capillary force, self gravitation caused by dispersion liquid evaporation is arranged, system
Obtain colloidal crystal.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention；Appoint
What those skilled in the art, without departing from the scope of the technical proposal of the invention, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solution of the present invention, or are revised as the equivalent reality of equivalent variations
Apply example.Therefore, every content without departing from technical solution of the present invention, the technical spirit according to the present invention are done to above example
Any simple modification, equivalent substitution, equivalence changes and modification, still fall within the range of technical solution of the present invention protects.
Claims (4)
1. a kind of method that emulsion suspension prepares colloidal crystal, it is characterised in that comprise the following steps：
S1, prepare colloidal particle suspension emulsion；
S2, colloidal particle suspension emulsion is expelled to substrate lower surface to be coated, in attraction of the substrate to be coated to suspension emulsion
Under active force, suspension emulsion is suspended on substrate lower surface to be coated；
S3, the substrate to be coated that will be hung with suspension emulsion move into 40~150 DEG C of temperature atmosphere, make scattered in suspension emulsion
Liquid evaporates, and colloidal crystal is made.
2. the method that a kind of emulsion suspension according to claim 1 prepares colloidal crystal, it is characterised in that the emulsion particle
The latex particle that sub- suspension emulsion uses is small for silica bead particle, polystyrene sphere particle or polymethyl methacrylate
Ball micro-nano particle, colloidal particle solid content are 0.1~5.0%.
3. the method that a kind of emulsion suspension according to claim 1 or 2 prepares colloidal crystal, it is characterised in that described to match somebody with somebody
The dispersion liquid that colloidal particle suspension emulsion processed uses is deionized water or organic solvent.
4. the method that a kind of emulsion suspension according to claim 1 prepares colloidal crystal, it is characterised in that the temperature atmosphere
Enclose and obtained using the heating of normal temperature and pressure baking oven, heating in vacuum or microwave heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796449.7A CN107604442A (en) | 2017-09-06 | 2017-09-06 | A kind of method that emulsion suspension prepares colloidal crystal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796449.7A CN107604442A (en) | 2017-09-06 | 2017-09-06 | A kind of method that emulsion suspension prepares colloidal crystal |
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| CN107604442A true CN107604442A (en) | 2018-01-19 |
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| CN201710796449.7A Withdrawn CN107604442A (en) | 2017-09-06 | 2017-09-06 | A kind of method that emulsion suspension prepares colloidal crystal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108693A (en) * | 2019-04-26 | 2019-08-09 | 安徽建筑大学 | A kind of glue envelope Ag nano particle spheroiding efficient uniform SERS substrate preparation method |
Citations (4)
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|---|---|---|---|---|
| CN101280455A (en) * | 2008-01-08 | 2008-10-08 | 东南大学 | Method for self-assembling preparing colloidal photonic crystals and improving mechanical stability |
| CN102199790A (en) * | 2010-03-23 | 2011-09-28 | 中国科学院合肥物质科学研究院 | Binary ordered colloidal crystal template and preparation method and use thereof |
| CN104744712A (en) * | 2014-12-19 | 2015-07-01 | 江南大学 | Method for quickly preparing binary colloid crystals |
| CN105542206A (en) * | 2016-01-07 | 2016-05-04 | 南京工业大学 | Two-dimensional colloidal crystal film preparation method |
-
2017
- 2017-09-06 CN CN201710796449.7A patent/CN107604442A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280455A (en) * | 2008-01-08 | 2008-10-08 | 东南大学 | Method for self-assembling preparing colloidal photonic crystals and improving mechanical stability |
| CN102199790A (en) * | 2010-03-23 | 2011-09-28 | 中国科学院合肥物质科学研究院 | Binary ordered colloidal crystal template and preparation method and use thereof |
| CN104744712A (en) * | 2014-12-19 | 2015-07-01 | 江南大学 | Method for quickly preparing binary colloid crystals |
| CN105542206A (en) * | 2016-01-07 | 2016-05-04 | 南京工业大学 | Two-dimensional colloidal crystal film preparation method |
Non-Patent Citations (3)
| Title |
|---|
| CHUANQIANG ZHOU, ET AL.: "A facile strategy to colloidal crystals by drying condensed suspension droplets", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
| HAN ZHUANG, ET AL.: "Study of the Evaporation of Colloidal Suspension Droplets with the Quartz Crystal Microbalance", 《LANGMUIR》 * |
| NICOLE RALEY DEVLIN，ET AL.: "The Importance of Gravity in Droplet Evaporation:A Comparison of Pendant and Sessile Drop Evaporation with Particles", 《AICHE JOURNAL》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108693A (en) * | 2019-04-26 | 2019-08-09 | 安徽建筑大学 | A kind of glue envelope Ag nano particle spheroiding efficient uniform SERS substrate preparation method |
| CN110108693B (en) * | 2019-04-26 | 2021-07-13 | 安徽建筑大学 | Preparation method of colloid-sealed Ag nano-particle spherical efficient uniform SERS substrate |
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