CN108254809A - A kind of full angle polarizes unrelated Microstructure Optics diffusing reflection coating - Google Patents
A kind of full angle polarizes unrelated Microstructure Optics diffusing reflection coating Download PDFInfo
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- CN108254809A CN108254809A CN201810307340.7A CN201810307340A CN108254809A CN 108254809 A CN108254809 A CN 108254809A CN 201810307340 A CN201810307340 A CN 201810307340A CN 108254809 A CN108254809 A CN 108254809A
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- titanium dioxide
- diffusing reflection
- morphosis
- polydispersion
- monofilm
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter
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Abstract
Unrelated Microstructure Optics diffusing reflection coating is polarized the invention discloses a kind of full angle, the hydroxypropyl cellulose of 10wt% is added in diethylene glycol (DEG) and 5h is stirred in 105 DEG C of oil baths and obtains paste, paste obtained is added in titanium dioxide nano-sphere and is stirred 2h and obtains uniform slurry, slurry is uniformly coated on fluorine-doped tin oxide glass substrate, 450 DEG C of heat preservation 30min are warming up to the heating rate of 5 DEG C/min after drying in air, the titanium dioxide monofilm of final obtained polydispersion Mesoporous Spheres morphosis, the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis is for different angle, the diffusing reflection efficiency of the incident light of different polarization states is higher and in same level.The present invention can effectively solve the problems, such as diffusing reflectance device in full angle, broadband and high reflectance diffusing reflection promotion.
Description
Technical field
Diffusing reflection effect the invention belongs to optical device, the full angle of system and broadband enhances design field, tool
Body is related to a kind of full angle and polarizes unrelated Microstructure Optics diffusing reflection coating.
Background technology
The development of science and technology proposes diffusing reflectance device some new, higher requirements.Contemporary optics system needs more
The higher optical device of portable, more compact and utilization ratio, can be by making a choice to device material and structure are corresponding
Realize that it can reach the set goal and effect with design.
Film Optics mainly studies micron, the design of the submicrometer scale device of optical film, making and applied film
Micro-optical device is to realize the subject of the theory and technology of the transmission of light wave, transformation and reception.Film micro-optics are a forward positions
Knowledge-intensive, technologically advanced new optics subject branch, is known as new optical technique, before the science that represent optical field
Edge.In recent years, as people go deep into optical device research, film micro-optics either design theory or processing technology are all
Traditional macroscopical optics is totally different from, the subjects such as it and optics, micro Process, material science interpenetrate, intersect, make it
Have in many ambits and be widely applied.Film micro optical element has small, light weight, flexible design, is easy to
The advantages that high-volume replicates, thus it is widely used as the micro element in micro-optics systems.In lighting system, fiber optic communication, letter
The various fields such as breath processing, space flight and aviation, biomedicine, film micro optical element all show superior application value and wide
Application prospect.
Traditionally, the material for being frequently used for film diffusing reflectance device is mainly metal and medium.Although it is made of metal
Diffusing reflection device can realize omnidirectional reflection, but due to larger absorption and dispersion, cannot obtain higher reflectivity.Phase
Instead, the diffusing reflection device made of medium can provide high diffusing reflection rate, but due to limited reflection bandwidth and to light incidence
The sensibility at angle, it is difficult to realize that full-shape reflects.Therefore, optical system or the diffusing scattering effect of optical device full angle how to be improved
This topic of rate has caused the concern of numerous scholars.
Titanium dioxide is a kind of important multifunctional semiconductor material, have it is nontoxic, catalytic activity is strong, chemical stability is good
And the advantages that at low cost, it receives much attention in recent decades.However, due to the broad-band gap of its 3.2eV, there is the dioxy of conventional structure
It is relatively low to the utilization rate of visible light wave range to change titanium film diffusing reflection device.Therefore, the diffusing reflection of titanium deoxid film how is improved
Efficiency is very important extensive use of the titanium dioxide as diffusing reflectance device.Scientist studies and devises various shapes
The titanium deoxid film of state structure solves the problems, such as this.In these structures, since titanium dioxide hollow ball is with higher
Surface area and higher lighting efficiency have attracted the interest of many researchers.In the structure of titanium dioxide hollow ball, light
Multiple diffraction and reflection also can enhanced film device diffusing reflection efficiency.In recent years, there are many physical method and chemical method quilts
Titanium dioxide hollow ball is used to prepare, however all these methods all have on the problem of controlling the growth of hollow ball and size
There is sizable difficulty.Perfect process conditions usually to be found to synthesize one with designing the hollow ball structure to match not
Easily.Therewith, the titanium deoxid film with the polydispersion Mesoporous Spheres morphosis of structure similar to hollow ball and characteristic enters
The sight of researcher.
Invention content
Unrelated Microstructure Optics diffusing reflection coating is polarized the technical problem to be solved by the present invention is to provide a kind of full angle,
Full angle diffusing reflectance device is made by titanium dioxide nano-sphere film, efficiently solves omnidirectional reflection of the diffusing reflectance device to light
Problem to the exploitation of light source and is improving in utilization ratio to light and has great practical significance.
The present invention adopts the following technical scheme that a kind of full angle polarizes unrelated micro-structure light to solve above-mentioned technical problem
Learn diffusing reflection coating, it is characterised in that：The hydroxypropyl cellulose of 10wt% is added in diethylene glycol (DEG) and is stirred in 105 DEG C of oil baths
It mixes 5h and obtains paste, paste obtained is added in titanium dioxide nano-sphere and is stirred 2h obtains uniform pulpous state
Slurry is uniformly coated on fluorine-doped tin oxide glass substrate by object, with the heating of 5 DEG C/min speed after drying in air
Rate is warming up to 450 DEG C of heat preservation 30min, the titanium dioxide monofilm of final obtained polydispersion Mesoporous Spheres morphosis, the polydispersion
The titanium dioxide monofilm of Mesoporous Spheres morphosis for the incident light of different angle, different polarization states diffusing reflection efficiency compared with
It is high and in same level.
Further preferably, the thickness of the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis is 10-14 μm.
Further preferably, the thickness of the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis is 12 μm.
Further preferably, the specific preparation process of the titanium dioxide nano-sphere is：In the 500mL beakers continuously shaken
In, 12.5mL butyl titanates are added in the mixed solution of 50mL 30wt% hydrogen peroxide and 5mL 26wt%-28wt% ammonium hydroxide,
Distilled water is poured into prepare precursor solution of the final volume as 200mL in beaker after mixing, by precursor solution filter with
Undissolved block is removed, extract 10mL precursor solutions and is transferred to the 50mL for having added in 20mL absolute ethyl alcohols and 10mL distilled water
In Teflon container, mixture solution is sealed and heats 10h in 180 DEG C, final residue is centrifuged and respectively with water and
Ethyl alcohol washs, and prepared sample finally is made titanium dioxide nano-sphere in 60 DEG C of dry 2h.
The present invention has the advantages that compared with prior art：Scale used in the nanometer device structure of the present invention exists
The scale of nanometer, micron, very lightly, conducive to being integrated into other devices；Change the titanium dioxide of dispersion Mesoporous Spheres morphosis
During the thickness of titanium film, diffusing reflection efficiency can be enhanced accordingly, while also studied the film to different angle, polarization
The influence of the diffusing reflection efficiency of state incident light, the results show that the present invention can effectively solve diffusing reflectance device full angle, wide
The problem of band and high reflectance diffusing reflection is promoted.
Description of the drawings
Fig. 1 is the titanium dioxide design principle figure of polydispersion Mesoporous Spheres morphosis in the present invention（a）With its diffusing reflection
The Numerical Simulation Results figure of efficiency（b）；
Fig. 2 is the scanning electron microscope (SEM) photograph of the titanium deoxid film of four kinds of different structure forms made from the embodiment of the present invention；
Fig. 3 is that the diffusing reflection efficiency experiment of the titanium deoxid film of four kinds of different structure forms made from the embodiment of the present invention measures
Figure（a）Diffusing reflection efficiency experiment with the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis of different-thickness measures figure
（b）；
Fig. 4 is that the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis of two kinds of thickness in the present invention corresponds to different polarization states
Incident light diffusing reflection efficiency experiment measure figure.
Specific embodiment
The above of the present invention is described in further details by the following examples, but this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to following embodiment, and all technologies realized based on the above of the present invention belong to this hair
Bright range.
Embodiment
The preparation of titanium dioxide nano-sphere：
In the 500mL beakers continuously shaken, 12.5mL butyl titanates are added to 50mL 30wt% hydrogen peroxide and 5mL
In the mixed solution of 26wt%-28wt% ammonium hydroxide, distilled water is poured into beaker to prepare final volume as 200mL after mixing
Precursor solution, precursor solution is filtered to remove undissolved block, 10mL precursor solutions is extracted and is transferred to and added in
In the 50mL Teflon container of 20mL absolute ethyl alcohols and 10mL distilled water, mixture solution is sealed and heats 10h in 180 DEG C,
Final residue is centrifuged and is washed respectively with water and ethyl alcohol, dioxy finally is made in 60 DEG C of dry 2h in prepared sample
Change titanium nanosphere.
The preparation of titanium dioxide nanocrystalline：
In the 500mL beakers continuously shaken, 12.5mL butyl titanates are added to containing 50mL 30wt% hydrogen peroxide and 5mL
In the mixed solution of 26wt%-28wt% ammonium hydroxide, distilled water is poured into beaker to prepare final volume as 200mL after mixing
Precursor solution, precursor solution is filtered to remove undissolved block, 5mL precursor solutions is extracted and is transferred to and added in 20mL
In the 50mL Teflon containers of absolute ethyl alcohol and 10mL distilled water, mixture solution is sealed and heats 10h in 180 DEG C, it will most
Whole residue is centrifuged and is washed respectively with water and ethyl alcohol, and prepared sample finally is made titanium dioxide in 60 DEG C of dry 2h
It is nanocrystalline.
The titanium deoxid film of four kinds of different structure forms has been made in the present embodiment（Titanium dioxide nanocrystalline monofilm, two
The individual layer of TiOx nano crystalline substance and titanium dioxide nano-sphere duplicature, titanium dioxide nanocrystalline and titanium dioxide nano-sphere mixture
Film and titanium dioxide nano-sphere monofilm）, specific preparation process is：The hydroxypropyl cellulose of 10wt% is added to diethylene glycol (DEG)
In and in 105 DEG C of oil baths stir 5h obtain paste, paste obtained is added in titanium dioxide nano-sphere and stirred
Mixing 2h obtains uniform slurry, and slurry is uniformly coated on fluorine-doped tin oxide glass substrate, is done in air
450 DEG C of heat preservation 30min are warming up to the heating rate of 5 DEG C/min after dry, finally the two of obtained polydispersion Mesoporous Spheres morphosis
Titanium oxide monofilm.Other films are prepared in a similar manner, it is significant to note that duplicature is obtained by the calcining of two steps
.
The design principle figure of the titanium dioxide of polydispersion Mesoporous Spheres morphosis is shown in Fig. 1（a）With its diffusing reflection
The Numerical Simulation Results figure of efficiency（b）, wherein（a）What the left side of figure represented is single titanium dioxide nano-sphere particle, the right table
What is shown is the titanium dioxide of the polydispersion Mesoporous Spheres morphosis of multiple titanium dioxide nano-sphere particle compositions；（b）It illustrates not
With the diffusing reflection efficiency for the structure that the titanium dioxide nano-sphere of number is stacked up, result is shown with nano titania
The increase of ball number, the diffusing reflection efficiency of corresponding structure are also improving, this also demonstrates the more of titanium dioxide nano-sphere composition
Disperse the titanium dioxide monofilm of Mesoporous Spheres morphosis, there is the design original intention for promoting diffusing reflection efficiency.Fig. 2 is characterized respectively
The micromorphology of the titanium deoxid film of the four kinds of different structure forms prepared.
In Fig. 3（a）Illustrate that the titanium deoxid film of four kinds of different structure forms is imitated in the diffusing reflection of 400-800nm wave bands
The efficiency highest of the titanium dioxide monofilm of rate, wherein polydispersion Mesoporous Spheres morphosis；（b）Represent the polydispersion of different-thickness
The diffusing reflection efficiency of the titanium dioxide monofilm of Mesoporous Spheres morphosis show that film thickness is more at 12 μm or so by contrast test
The titanium deoxid film for disperseing Mesoporous Spheres morphosis is overall higher in the diffusing reflection efficiency of the wave band.Fig. 4 shows two kinds not
The titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis of stack pile is for the incident light of different angle, different polarization states
Reflection efficiency, show in figure the reflection efficiency of angled and polarization state light be almost in same level, this shows the structure
The diffusing reflection efficiency that the titanium deoxid film of form can meet full angle, polarize more has higher diffusing reflection efficiency, and this will
It asks.
In short, the structure of the titanium dioxide monofilm of polydispersion Mesoporous Spheres morphosis designed by the present invention, prepares not
With the titanium dioxide nano-sphere particle experimental method of size, to improving the full angle of optical device, system, more polarizations, broadband
It is had a very big significance on this problem in science of diffusing reflection effect.
Basic principle, main features and advantages embodiment above describes the present invention, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (4)
1. a kind of full angle polarizes unrelated Microstructure Optics diffusing reflection coating, it is characterised in that：By the hydroxy propyl cellulose of 10wt%
Element, which is added in diethylene glycol (DEG) and 5h is stirred in 105 DEG C of oil baths, obtains paste, and paste obtained is added to titanium dioxide
It in nanosphere and is stirred 2h and obtains uniform slurry, slurry is uniformly coated to fluorine-doped tin oxide glass substrate
On, 450 DEG C of heat preservation 30min are warming up to the heating rate of 5 DEG C/min after drying in air, finally obtained polydispersion Mesoporous Spheres
The titanium dioxide monofilm of morphosis, the titanium dioxide monofilm of the polydispersion Mesoporous Spheres morphosis for different angle,
The diffusing reflection efficiency of the incident light of different polarization states is higher and in same level.
2. full angle according to claim 1 polarizes unrelated Microstructure Optics diffusing reflection coating, it is characterised in that：It is described
The thickness of the titanium dioxide monofilm of polydispersion Mesoporous Spheres morphosis is 10-14 μm.
3. full angle according to claim 1 polarizes unrelated Microstructure Optics diffusing reflection coating, it is characterised in that：It is described
The thickness of the titanium dioxide monofilm of polydispersion Mesoporous Spheres morphosis is 12 μm.
4. full angle according to claim 1 polarizes unrelated Microstructure Optics diffusing reflection coating, it is characterised in that described
The specific preparation process of titanium dioxide nano-sphere is：In the 500mL beakers continuously shaken, 12.5mL butyl titanates are added in
Into the mixed solution of 50mL 30wt% hydrogen peroxide and 5mL 26wt%-28wt% ammonium hydroxide, distilled water is poured into burning after mixing
To prepare precursor solution of the final volume as 200mL in cup, precursor solution is filtered to remove undissolved block, extracts 10mL
Precursor solution is simultaneously transferred in the 50mL Teflon containers for having added in 20mL absolute ethyl alcohols and 10mL distilled water, and mixture is molten
Liquid-tight envelope simultaneously heats 10h in 180 DEG C, and final residue is centrifuged and is washed respectively with water and ethyl alcohol, finally will be prepared
Titanium dioxide nano-sphere is made in 60 DEG C of dry 2h in sample.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749172A (en) * | 2004-09-15 | 2006-03-22 | 中国科学院合肥物质科学研究院 | The preparation method of titanium dioxide nano mesoporous balls |
| CN101434410A (en) * | 2008-12-09 | 2009-05-20 | 彩虹集团公司 | Preparations of nano titanium dioxide particles and titania slurry |
| CN101692470A (en) * | 2009-10-16 | 2010-04-07 | 中国科学院上海技术物理研究所 | Preparation method of nanocrystal solar battery photoanode |
| CN102360961A (en) * | 2011-08-23 | 2012-02-22 | 奇瑞汽车股份有限公司 | Preparation method and modification process of sizing agent of scattering layer of dye-sensitized solar cell |
| CN102522207A (en) * | 2011-12-06 | 2012-06-27 | 东华大学 | Preparation method for scattering layer of dye-sensitized solar battery |
| CN103833073A (en) * | 2012-11-21 | 2014-06-04 | 中国科学院合肥物质科学研究院 | Preparation method for monodisperse smooth surface amorphous titanium dioxide nanosphere |
-
2018
- 2018-04-08 CN CN201810307340.7A patent/CN108254809A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749172A (en) * | 2004-09-15 | 2006-03-22 | 中国科学院合肥物质科学研究院 | The preparation method of titanium dioxide nano mesoporous balls |
| CN101434410A (en) * | 2008-12-09 | 2009-05-20 | 彩虹集团公司 | Preparations of nano titanium dioxide particles and titania slurry |
| CN101692470A (en) * | 2009-10-16 | 2010-04-07 | 中国科学院上海技术物理研究所 | Preparation method of nanocrystal solar battery photoanode |
| CN102360961A (en) * | 2011-08-23 | 2012-02-22 | 奇瑞汽车股份有限公司 | Preparation method and modification process of sizing agent of scattering layer of dye-sensitized solar cell |
| CN102522207A (en) * | 2011-12-06 | 2012-06-27 | 东华大学 | Preparation method for scattering layer of dye-sensitized solar battery |
| CN103833073A (en) * | 2012-11-21 | 2014-06-04 | 中国科学院合肥物质科学研究院 | Preparation method for monodisperse smooth surface amorphous titanium dioxide nanosphere |
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