CN107442045A - A kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal - Google Patents
A kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal Download PDFInfo
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- CN107442045A CN107442045A CN201710796186.XA CN201710796186A CN107442045A CN 107442045 A CN107442045 A CN 107442045A CN 201710796186 A CN201710796186 A CN 201710796186A CN 107442045 A CN107442045 A CN 107442045A
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- colloidal crystal
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
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Abstract
The present invention discloses a kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, comprises the following steps：The film forming area S of colloidal crystal is prepared needed for S1, determination；S2, according to the film forming area of colloidal crystal and diameter using micelle is prepared, calculate the micelle bead quantity and quality needed for colloidal crystal；S3, micelle bead quantity and quality according to needed for colloidal crystal, prepare colloidal particle suspension；S4, by latex particle hanging drop in plated film upper surface of substrate, then evaporate the dispersion liquid in latex particle suspension, so as to which colloidal crystal be made；Compared to the preparation method of more traditional colloidal crystal, raw material is largely saved by way of the dropwise addition of micro-nano particle emulsion, and greatly improve the preparation efficiency of colloidal crystal；And by carrying out autonomous Design, and the quantity and quality of nano-particle needed for calculating to preparing the corresponding number of plies of colloidal crystal, so as to reach the purpose for controlling its film forming number of plies.
Description
Technical field
The present invention relates to colloidal crystal preparing technical field, it is controllable that specifically a kind of micro-nano particle emulsion droplets add the standby number of plies
The method of 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 is always very attractive a kind of material that the self assembly of colloidal crystal, which is prepared in colloid chemistry field,
Material, it can be widely applied for electrochemistry, photoelectron, sensor, film surface micro-structural and the field such as builds.
Traditional colloidal crystal preparation method has vertical dipping self assembly, spin coating, electrochemical deposition, liquid phase-Air Interface
Method etc..These traditional methods are generally with deposition efficiency is low, raw material availability is too low, is difficult to obtain the controllable colloid of the number of plies
The shortcomings of crystal.And so far, the number of plies control for colloidal crystal is always a problem and challenged, therefore, how
Expeditiously preparing the controllable colloidal crystal of the number of plies turns into a very big challenge.
The content of the invention
It is an object of the invention to provide a kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, lead to
Cross the controllable colloidal crystal of the preparation number of plies that this method can be simple and quick.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, comprises the following steps：
The film forming area S of colloidal crystal is prepared needed for S1, determination；
S2, according to the film forming area of colloidal crystal and diameter using micelle is prepared, calculate the glue needed for colloidal crystal
Grain bead quantity and quality；
Proportionately membrane area is paved with micelle bead quantity n needed for one layer of micelle and uses formulaCalculate, in formula
S is the required film forming area for preparing colloidal crystal, and d is micelle the small ball's diameter；
Required micelle pellet quality M uses formula
Calculate, ρ is micelle in formula
Density；
For more than two layers colloidal crystal, required micelle pellet quality is N*M, N >=2；
S3, micelle bead quantity and quality according to needed for colloidal crystal, prepare latex particle suspension；
S4, by latex particle hanging drop in plated film upper surface of substrate, then steam the dispersion liquid in latex particle suspension
Hair, so as to which colloidal crystal be made.
Further, the micelle is polystyrene sphere, silica bead, polyethylene glycol bead or polymethylacrylic acid
The micro-nano bead such as methyl esters.
Further, the dispersion liquid that preparation latex particle suspension uses is deionized water, absolute ethyl alcohol, methanol and second two
The one of which of alcohol or two or more mixed solutions.
Further, dispersion liquid is evaporated in 40~150 DEG C of temperature atmosphere, and temperature atmosphere is added using normal temperature and pressure baking oven
Heat, heating in vacuum or microwave heating obtain.
The beneficial effects of the invention are as follows：Compared to the preparation method of more traditional colloidal crystal, pass through micro-nano particle emulsion droplets
The mode added largely saves raw material, and greatly improves the preparation efficiency of colloidal crystal；And by preparing glue
Body crystal phase answer the number of plies carry out autonomous Design, and calculate needed for nano-particle quantity and quality, so as to reached control its into
The purpose of film layer number.
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 individual layer polystyrene colloid plane of crystal shape appearance figure prepared by the embodiment of the present invention one；
Fig. 3 is silicon oxide colloid plane of crystal shape appearance figure prepared by the embodiment of the present invention two.
Embodiment
Embodiment one
As shown in figure 1, the present invention provides a kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, bag
Include following steps：
The film forming area S of colloidal crystal, the present embodiment selection 1cm are prepared needed for S1, determination2；
S2, according to the film forming area of colloidal crystal and diameter using micelle is prepared, calculate the glue needed for colloidal crystal
Grain bead quantity and quality；
The present embodiment is used as colloid film forming particle using a diameter of 500nm polystyrene spheres；Proportionately membrane area is paved with one layer
Micelle bead quantity n uses formula needed for micelleCalculate, S is the required film forming for preparing colloidal crystal in formula
Area, d are micelle the small ball's diameter；
Required micelle pellet quality M uses formula
Calculate, ρ is micelle in formula
Density, if individual layer polystyrene colloid crystal, is calculated M=3.4 × 10-5g；
S3, micelle bead quantity and quality according to needed for colloidal crystal, prepare colloidal particle suspension；By 0.1g, admittedly
The polystyrene sphere emulsion dispersion that content is 5% is in 5ml deionized waters, it is necessary to which micelle dispersion liquid is 34ul, it is contemplated that meter
Issuable error is calculated, dispersion liquid 40ul is taken in experiment；
S4, with microsyringe 3 it is added drop-wise to 1cm2The upper surface of plated film substrate 1, plated film substrate 1 by hydrophily handle,
The plated film substrate 60 DEG C of baking ovens of immigration for having polystyrene colloid particle dispersion 2 will be added dropwise afterwards, dispersion liquid has gradually been evaporated into
Entirely, nanometer bead particle is closely arranged in the presence of capillary force caused by dispersion liquid evaporation, and required colloid is finally made
Crystal.Fig. 2 is prepared individual layer polystyrene colloid plane of crystal shape appearance figure.
Embodiment two
The present invention provides a kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, including following step
Suddenly：
The film forming area S of colloidal crystal, the present embodiment selection 1cm are prepared needed for S1, determination2；
S2, according to the film forming area of colloidal crystal and diameter using micelle is prepared, calculate the glue needed for colloidal crystal
Grain bead quantity and quality；
The present embodiment is used as colloid film forming particle using a diameter of 100nm silica bead；Proportionately membrane area is paved with one layer of glue
Micelle bead quantity n needed for grain uses formulaCalculate, S is the required film forming face for preparing colloidal crystal in formula
Product, d is micelle the small ball's diameter；
Required micelle pellet quality M uses formula
Calculate, ρ is micelle in formula
Density, if mono-layer oxidized colloidal silica crystal, is calculated M=1.5 × 10-5g；
S3, micelle bead quantity and quality according to needed for colloidal crystal, prepare colloidal particle suspension；By 0.1g, admittedly
Content be 5% silica bead emulsion dispersion in the mixed solution of 5ml deionized waters and ethylene glycol, wherein deionized water with
The mass percent of ethylene glycol is 1:8, it is necessary to which micelle dispersion liquid is 15ul, it is contemplated that issuable error is calculated, in experiment
Take dispersion liquid 20ul；
S4, with microsyringe it is added drop-wise to 1cm2Plated film upper surface of substrate, plated film substrate by hydrophily handle, after will
The plated film substrate that silica colloidal particle dispersion liquid is added dropwise is moved into 60 DEG C of vacuum tube furnaces, dispersion liquid has gradually been evaporated into
Entirely, nanometer bead particle is closely arranged in the presence of capillary force caused by dispersion liquid evaporation, and required colloid is finally made
Crystal.Fig. 3 is prepared mono-layer oxidized colloidal silica plane of crystal shape appearance figure.
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 micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal, it is characterised in that comprise the following steps：
The film forming area S of colloidal crystal is prepared needed for S1, determination；
S2, according to the film forming area of colloidal crystal and diameter using micelle is prepared, the micelle calculated needed for colloidal crystal is small
Ball quantity and quality；
Proportionately membrane area is paved with micelle bead quantity n needed for one layer of micelle and uses formulaCalculate,
S is in formula
The required film forming area for preparing colloidal crystal, d are micelle the small ball's diameter；
Required micelle pellet quality M uses formula
Calculate, ρ is micelle density in formula；
For more than two layers colloidal crystal, required micelle pellet quality is N*M, N >=2；
S3, micelle bead quantity and quality according to needed for colloidal crystal, prepare colloidal particle suspension；
S4, by colloidal particle hanging drop in plated film upper surface of substrate, then evaporate the dispersion liquid in colloidal particle suspension, from
And colloidal crystal is made.
2. the method that a kind of micro-nano particle emulsion droplets according to claim 1 add standby layer-controllable colloidal crystal, it is special
Sign is that the micelle is that polystyrene sphere, silica bead, polyethylene glycol bead or polymethyl methacrylate micro-nano are small
Ball.
3. the method that a kind of micro-nano particle emulsion droplets according to claim 1 add standby layer-controllable colloidal crystal, it is special
Sign is that the dispersion liquid that preparation latex particle suspension uses is wherein the one of deionized water, absolute ethyl alcohol, methanol and ethylene glycol
Kind or two or more mixed solutions.
4. the method that a kind of micro-nano particle emulsion droplets according to claim 1 add standby layer-controllable colloidal crystal, it is special
Sign is that dispersion liquid evaporates in 40~150 DEG C of temperature atmosphere, and temperature atmosphere is using the heating of normal temperature and pressure baking oven, heating in vacuum
Or microwave heating obtains.
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| CN201710796186.XA CN107442045A (en) | 2017-09-06 | 2017-09-06 | A kind of method that micro-nano particle emulsion droplets add standby layer-controllable colloidal crystal |
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Citations (7)
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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 |
| CN101934211A (en) * | 2010-09-30 | 2011-01-05 | 哈尔滨工业大学 | Self-assembling growth method of layer-controllable colloidal crystal |
| 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 |
| CN103585935A (en) * | 2013-11-25 | 2014-02-19 | 中国航空工业集团公司北京航空材料研究院 | Quickly assembling method for colloidal crystal with controllable layer number |
| CN104744712A (en) * | 2014-12-19 | 2015-07-01 | 江南大学 | Method for quickly preparing binary colloid crystals |
| CN104928759A (en) * | 2015-07-14 | 2015-09-23 | 哈尔滨工业大学 | Method for rapidly assembling colloidal crystals by means of layer-by-layer adsorption |
| CN105542206A (en) * | 2016-01-07 | 2016-05-04 | 南京工业大学 | Preparation method of two-dimensional colloidal crystal film |
-
2017
- 2017-09-06 CN CN201710796186.XA patent/CN107442045A/en not_active Withdrawn
Patent Citations (7)
| 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 |
| CN101934211A (en) * | 2010-09-30 | 2011-01-05 | 哈尔滨工业大学 | Self-assembling growth method of layer-controllable colloidal crystal |
| CN103585935A (en) * | 2013-11-25 | 2014-02-19 | 中国航空工业集团公司北京航空材料研究院 | Quickly assembling method for colloidal crystal with controllable layer number |
| CN104744712A (en) * | 2014-12-19 | 2015-07-01 | 江南大学 | Method for quickly preparing binary colloid crystals |
| CN104928759A (en) * | 2015-07-14 | 2015-09-23 | 哈尔滨工业大学 | Method for rapidly assembling colloidal crystals by means of layer-by-layer adsorption |
| CN105542206A (en) * | 2016-01-07 | 2016-05-04 | 南京工业大学 | Preparation method of two-dimensional colloidal crystal film |
Non-Patent Citations (2)
| Title |
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| 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》 * |
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