CN107201996A - The preparation method of photic dynamic laminated film, photic dynamic laminated film and optical actuator - Google Patents
The preparation method of photic dynamic laminated film, photic dynamic laminated film and optical actuator Download PDFInfo
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- CN107201996A CN107201996A CN201710422042.8A CN201710422042A CN107201996A CN 107201996 A CN107201996 A CN 107201996A CN 201710422042 A CN201710422042 A CN 201710422042A CN 107201996 A CN107201996 A CN 107201996A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/005—Electro-chemical actuators; Actuators having a material for absorbing or desorbing gas, e.g. a metal hydride; Actuators using the difference in osmotic pressure between fluids; Actuators with elements stretchable when contacted with liquid rich in ions, with UV light, with a salt solution
Abstract
The present invention provides a kind of preparation method of photic dynamic laminated film, comprises the following steps：Graphite oxide and photothermal material are scattered in the first solvent, the first colloid is obtained；Organic flexible strained-layer materials are scattered in the second solvent, the second colloid is obtained；First colloid is coated in substrate and dried, photothermal film layer is obtained；Second colloid is coated in photothermal film layer and dried, strain film layer is formed, strain film layer, by chemical bonds, forms photic dynamic laminated film with photothermal film layer, and photic dynamic laminated film and substrate are stripped.The present invention also provides the photic dynamic laminated film prepared according to this method.The present invention also provides a kind of photic dynamic laminated film, it is made up of photothermal film layer with strain film layer, photothermal film layer includes graphite oxide and photothermal material, and strain film layer is included by organic flexible strained-layer materials, and graphite oxide passes through chemical bonds with organic flexible strained-layer materials.The present invention also provides a kind of optical actuator.
Description
Technical field
The present invention relates to novel intelligent field of drivers, and in particular to the preparation method of photic dynamic laminated film, photic dynamic
Laminated film and optical actuator.
Background technology
Novel nano composite actuator has many advantages such as long-range, noncontact, the control mode of multi-selection.New
There are many potential application prospects in the intelligent drives field such as intelligent control switch, optical sensor, artificial-muscle, joint.Arrive
So far, use double membrane structure the intelligent driver based on opto-mechanical tool Response System more, i.e., it is different using thermal coefficient of expansion
Two kinds of materials prepare double membrane structure.Specifically, its laminated film being made up of flexible membrane layer and photothermal film layer, when
During by illumination, photothermal material causes heating, causes laminated film bending change because two film layer thermal coefficient of expansions are different
Shape, so as to reach photic dynamic effect.
But, the interface cohesion between most duplicatures is physical contact, is limited to the adhesion between two kinds of materials,
Adhesive force between duplicature is often smaller, it is difficult to realizes and closely combines, and this seriously constrains the actual application of actuator.And
The problem of binding agent can solve adhesive force to a certain extent is added between duplicature, but actuator sensitivity can be brought
Be greatly reduced.Therefore, the new way explored and solve the problems, such as the interracial contact between duplicature is needed badly.
The content of the invention
To solve problem above, the invention provides following technical scheme：
[1] a kind of preparation method of photic dynamic laminated film, it is characterised in that comprise the following steps：
Graphite oxide and photothermal material are scattered in the first solvent, the first colloid is prepared；
Organic flexible strained-layer materials are scattered in the second solvent, the second colloid is prepared；
First colloid is coated in substrate and dried, photothermal film layer is obtained；
By the second colloid be coated in the photothermal film layer and dry, formed strain film layer, the strain film layer with
The photothermal film layer forms photic dynamic laminated film by chemical bonds,
The photic dynamic laminated film and substrate are stripped.
[2] preparation method according to [1], it is characterised in that the substrate is selected from glass, silicon or plastics.
[3] preparation method according to [1], it is characterised in that before first colloid is coated, to the substrate
Carry out hydrophilic treated.
[4] preparation method according to [3], it is characterised in that the hydrophilic treated includes：
It is 5 to configure volume ratio:1~2:The mixture of 1 concentrated sulfuric acid and 10~30% aqueous hydrogen peroxide solutions,
At a temperature of 50 to 150 DEG C, the substrate is placed in the mixture 0.5 to 5 hour, and
The substrate is cleaned with deionized water.
[5] preparation method according to [1], it is characterised in that the described first or second solvent is selected from deionized water, ring
One or more in hexane and absolute ethyl alcohol.
[6] according to the preparation method described in [1], it is characterised in that the photothermal material may be selected from Nano titanium nitride,
Graphene, CNT, nano aluminium oxide, agraphitic carbon, unformed boron, the photic hot material with plasma enhancing effect
In one or more.
[7] preparation method according to [6], it is characterised in that the photic heat with plasma enhancing effect
One kind in nanogold particle, metal oxide nanoparticles, duplex metal nano granule, transient metal sulfide of material or
It is a variety of.
[8] preparation method according to [1], it is characterised in that the organic flexible strained-layer materials are selected from polyethylene
One or more in pyrrolidones, chitosan, Kynoar, cellulose, dimethyl silicone polymer.
[9] preparation method according to [1], it is characterised in that described first and/or second are prepared by ultrasonic disperse
Colloid.
[10] the photic dynamic laminated film prepared with the preparation method according to any one of [1] to [9].
[11] a kind of photic dynamic laminated film, it is characterised in that the photic dynamic laminated film by photothermal film layer with
Film layer composition is strained, the photothermal film layer includes graphite oxide and photothermal material, and the strain film layer is included by having
Machine flexibility strained-layer materials, the graphite oxide passes through chemical bonds with the organic flexible strained-layer materials.
[12] the photic dynamic laminated film according to [11], it is characterised in that the photothermal material is selected from nanometer
Titanium nitride, graphene, CNT, nano aluminium oxide, agraphitic carbon, unformed boron, the light with plasma enhancing effect
One or more in pyrogenicity material.
[13] preparation method according to [12], it is characterised in that described photic with plasma enhancing effect
The one kind of hot material in nanogold particle, metal oxide nanoparticles, duplex metal nano granule, transient metal sulfide
Or it is a variety of.
[14] the photic dynamic laminated film according to [11], it is characterised in that the organic flexible strained-layer materials choosing
One or more from polyvinylpyrrolidone, chitosan, Kynoar, cellulose, dimethyl silicone polymer.
[15] optical actuator formed as the photic dynamic laminated film described in [9] or [10].
The present invention utilizes interface optimization means, the group enriched by graphite oxide surface, in the interface shape of duplicature
Into chemical bonds, the adhesion between duplicature is greatly enhanced, is prepared soft with high mechanical strength and toughness
The photic dynamic thin-film device of property.
Brief description of the drawings
Fig. 1 is the operating diagram of photic dynamic laminated film；
Fig. 2 is the photo of the photic dynamic laminated film prepared according to one embodiment of the invention；
Fig. 3 is the optical microscope photograph of the graphite oxide according to used in one embodiment of the invention；
Fig. 4 is in Fu of graphite oxide and graphite oxide+B layer materials according to used in one embodiment of the invention
Leaf infrared spectrum；
Fig. 5 be the Simple miniature mechanical arm normality that the optical actuator that is prepared according to one embodiment of the invention is made and
Irradiate the contrast photo of state；
Fig. 6 is the intelligent switch pictorial diagram photo that the optical actuator prepared according to one embodiment of the invention is assembled.
Embodiment
The present invention provides a kind of preparation method of photic dynamic laminated film, the duplicature of the photic dynamic laminated film of preparation it
Between it is closely coupled by chemical bond, with higher mechanical strength and photic dynamic response speed.In other words, the present invention provides a kind of
Flexible light based on interface optimization activates nano combined double membrane structure.The present invention also provides the light with the composite double layer film preparation
Actuator, such as intelligent driver.
Photic dynamic laminated film is general to be made up of photothermal layer with flexible strained layer.Wherein photothermal layer is absorbing light
After cause heating so that flexible strained layer is also heated.After heated, due to the difference of two layers of thermal coefficient of expansion, laminated film will
Bend.Its working condition can be such as Fig. 1 signals.
In an embodiment of the preparation method of the photic dynamic laminated film according to the present invention, first, stone will be aoxidized
Ink is dispersed in corresponding solvent with photothermal material, thick colloid is obtained, labeled as the first colloid.It is described scattered preferred
It is placed in the ultrasonic disperse carried out in ultrasonic bottle.
Usually, the photothermal material is with good light absorbs and can turned light energy by absorbing light
Turn to the material of heating.The preferred embodiment of the photothermal material can be Nano titanium nitride, graphene, CNT, receive
One or more in rice aluminum oxide, agraphitic carbon, unformed boron and photic hot material with plasma enhancing effect.
Preferred material is nano-form, so as to be conducive to being distributed and with reference in graphite oxide.Herein, " there is plasma
The photic hot material of enhancement effect " refers to that light is excited and causes local phasmon, and the luminous energy of absorption passes through nonradiative transition
Process is converted into the nano particle of heat energy.Preferably, nano particle be selected from nanogold particle, it is metal oxide nanoparticles, double
One or more in metal nanoparticle, transition metal sulfide.Metal oxide nanoparticles can be such as molybdenum oxide
Nano particle.
Graphite oxide can also be prepared by chemical oxidization method in the lab by commercially available.In the present invention
In, graphite oxide can be diversified forms, such as aqueous dispersion or dry powdered form.
First solvent can any appropriate can form the solvent of colloid.Be preferably selected from deionized water, hexamethylene and
One or more in absolute ethyl alcohol.
Then, organic flexible strained-layer materials are dispersed in corresponding solvent, thick colloid are obtained, labeled as second
Colloid.The scattered ultrasonic disperse for being preferably placed in carrying out in ultrasonic bottle.
Usually, organic flexible strained-layer materials are with the larger organic polymer of good suppleness, thermal coefficient of expansion.
The material well known in the art for photic dynamic laminated film can be used.Organic polymer with carbochain, it has can be with
The material for the matching group that hydroxyl and carboxyl are chemically bonded.The preferred embodiment of the organic flexible strained-layer materials can be
One in polyvinylpyrrolidone (PVP), chitosan, Kynoar (PVDF), cellulose, dimethyl silicone polymer (PDMS)
Plant or a variety of.
Furthermore it is preferred that the thermal expansion coefficient difference of organic flexible strained layer and photothermal layer is larger, so as to reach more preferably
Light actuation effect.
Second solvent can be any appropriate solvent that can be with organic flexible strained-layer materials formation colloid.It is preferred that selecting
One or more from deionized water, hexamethylene and absolute ethyl alcohol.
Then, first colloid is coated in substrate and dried, obtain photothermal film layer；By the coating of the second colloid
It is in the photothermal film layer and dry, strain film layer is formed, the strain film layer passes through with the photothermal film layer and changed
Learn bond to close, form photic dynamic laminated film, the photic dynamic laminated film and substrate are stripped.
Substrate can be any feasible substrate, preferably one kind in conventional slide, silicon chip, plastic plate.Substrate is excellent
Choosing is smooth, in order to be stripped.
It is highly preferred that in advance to substrate carry out hydrophilic treated, in order to colloid in substrate film forming.
The hydrophilic treated includes：It is 5 to configure volume ratio:1~2:1 concentrated sulfuric acid and 10~30% aqueous hydrogen peroxide solutions
Mixture, at a temperature of 50 to 150 DEG C, the substrate is placed in the mixture 0.5 to 5 hour, and spends
Ionized water cleans the substrate.
As a preferred embodiment, configuration volume ratio is 7:The mixed liquor of 3 concentrated sulfuric acid and 30% hydrogen peroxide.By substrate
Material is placed in above-mentioned mixed liquor, in 50 to 150 degrees Celsius of lower hydrophilic treateds 0.5 to 5 hour, then uses deionized water rinsing.
The colloid can be then sequentially coated in the substrate by hydrophilic treated, obtain smooth film.
On colloid coating, the first colloid can be spun in the substrate first, the photic hair being evenly distributed
Hotting mask layer.
The spin coating proceeding can be:With 500 to 5000 revs/min of rotating speed spin coating 10 to 100 seconds.
Other coating processes are also feasible.
Can be by the way that as on heating flat board, the substrate of the first colloid that is coated be dried into processing.
The drying process can be：Control heat flat board temperature be 30 to 80 degrees Celsius, control the heat time be 1 to
20 minutes.
Then the second colloid can be spun in the substrate, the strain film layer being evenly distributed.
Concrete technology can be consistent with photothermal film layer preparation technology.
The second colloid is coated in photothermal film layer after drying, obtain smooth strain film layer.Then will
The substrate as heating flat board on, drying process.
Duplicature after above-mentioned drying through supercooling, can easily from substrate be stripped (removing), obtain it is smooth, from branch
Flexible light support, with higher mechanical strength activates nano combined duplicature.
The present invention utilizes interface optimization means, the group enriched by graphite oxide surface, in the interface shape of duplicature
Into chemical bonds, the adhesion between duplicature is greatly enhanced, is prepared soft with high mechanical strength and toughness
The photic dynamic thin-film device of property.
The above-mentioned preparation method that the present invention is provided is simple to operate, and without high-end devices, only aerobic graphite etc. is most common
Industrial chemicals can solve the problems, such as the interracial contact of duplicature, while can be produced in batches.
There is stronger adhesion, high mechanical strength and toughness, while adding preferably between resulting duplicature
More sensitive opto-mechanical tool force-responsive can be achieved in photothermal agent.
Flexible double film prepared by the present invention, can be processed into variously-shaped as needed, can be obtained in many practical fields
To application.
In order to which the present invention is explained further, the preferred embodiments of the invention are described with reference to embodiment, but
It is it should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention rather than to patent requirements of the present invention
Limitation.
All raw materials of the present invention, originate to it and are not particularly limited, commercially buying or according to people in the art
Known to member prepared by conventional method.
In order to realize the purpose of the present invention, the present invention proposes that a kind of flexible light actuating based on interface optimization is nano combined double
The design and preparation method of film structure, comprise the following steps：Graphite oxide and photothermal material are dissipated in solvent, and
Strained-layer materials are scattered in solvent (preferably by ultrasonic disperse), two kinds of thick colloids of A, B are obtained；Then will be above-mentioned
Two kinds of thick colloids of A, B are sequentially coated in the smooth substrate preferably through hydrophilic treated, obtain smooth film；Will be upper
The drying of film process and demoulding processing that step is obtained are stated, the flexible light for obtaining self-supporting activates nano combined duplicature；Wherein,
Duplicature interface passes through chemical bonds.By subsequent treatments such as cutting, assemblings, a variety of nana intelligent drivers can be formed
Part.Fig. 2 shows the photo of an example of the present invention product.
Any theory is not only restricted to, inventor has found to obtain desired property by building interface chemical bond.Due to oxygen
Graphite surface is rich in hydroxyl and carboxyl, strained-layer materials (PVP, chitosan, PVDF, cellulose, PDMS etc.) containing matching
Group and abundant carbon-chain structure, combination between the two easily form chemical bond.The graphite oxide that Fig. 4 is prepared for the present invention
And the FTIR spectrum after graphite oxide and strained-layer materials mixing；It can be found that in 1384cm from spectrogram-1Position
Place is put, graphite oxide and the corresponding peak intensity of strained-layer materials mixture are significantly improved, and the position is corresponding to C-OH's
O-H deformation vibrations.Thus illustrate, chemical bond can be formed between graphite oxide meeting and strained-layer materials, so as to prove in duplicature
The interface of structure can also form chemical bond, form the duplicature being firmly combined with.Such degree of being firmly combined with is better than physical bond,
And sensitivity is higher than the situation using binding agent.
Graphite oxide refers to graphene oxide of the surface rich in hydroxyl and carboxyl after chemical oxidation and stripping.It can be with
Prepared using known methods such as chemical oxidization methods, can also be commercially available.The light micrograph of graphite oxide is as shown in Figure 3.
The strained-layer materials are specifically as follows the one or more in PVP, chitosan, PVDF, cellulose, PDMS,
Including other solvable easily moulding light-weight high-polymer materials.
The solvent can be the one or more in deionized water, hexamethylene and absolute ethyl alcohol.
The hydrophilic treated of the substrate can be 7 by configuring volume ratio:3 concentrated sulfuric acid and 30% aqueous hydrogen peroxide solution
Mixture, by substrate as in above-mentioned mixed liquor, handles 0.5 to 5 hour under 50 to 150 degrees Celsius, then uses deionized water
Rinse.Also other general surface modification methods can be used to handle, such as acid, alkali, all kinds of preferred surfactants.
In the preparation method, by controlling the thickness of photothermal layer and strained layer, the drive of different sensitivity can be achieved
The preparation of dynamic device, and then controllable design can be carried out to driver film by actual demand.Also, it is different by preferred thermal conductivity factor
Photothermal layer and strained-layer materials, it is possible to achieve the accurate control of driver deformation amplitude.
In the preparation method, the duplicature of preparation can cut into the pros of arbitrary shape, such as 1cm × 1cm length and width on demand
Shape, isosceles triangle, equilateral triangle, trapezoidal etc..
In the preparation method, the demand that can be designed according to practical devices, using above-mentioned cutting scheme, by given shape
Duplicature is assembled into required device, such as light-operated switch, micromachine arm.
The reality of the preparation scheme for the two kinds of exemplary lights actuating response device realized according to the present invention will be described in detail below
Apply example.
Graphite oxide preparation example：
Graphite oxide used in the present invention is prepared in the lab, and specific preparation method is as follows：By 100 milliliters of concentrated sulfuric acids
Poured at leisure along walls of beaker equipped with 2 grams of crystalline flake graphites (200 to 400 mesh), the 500 milliliter beakers dry through fully cleaning up
In；Then reactant is placed in ice bath, and starts to be slowly added into 12 grams of potassium permanganate；Add after potassium permanganate, allow reaction
System continues after being reacted 3 hours in ice bath, continues to allow reaction system to continue to react 3 hours in 35 C water baths；Afterwards,
Bath temperature is adjusted to 90 degrees Celsius, 200 ml deionized waters are slowly added dropwise, and coordinate strong stirring；Then, 20 milliliters are added
Mass fraction is 30% hydrogen peroxide, until solution colour is changed into glassy yellow, allows reaction system to naturally cool to room temperature.Spend from
Sub- water to product under 14000 revs/min of rotating speed centrifuge washing to pH close to neutrality, then preserve as an aqueous solution
Graphite oxide is in brown bottle reagent.
Embodiment 1：
The miniature preparation scheme for bending and stretching Simple mechanical arm：In mass ratio 1:2 by titanium nitride nano particle and above-mentioned preparation
Graphite oxide solution be sufficiently mixed, ultrasound 2 hours, obtain the first dispersed colloid；Slide is placed in into volume ratio is
7:In the mixed liquor of 3 concentrated sulfuric acid and 30% hydrogen peroxide, handle 1 hour at 80 degrees celsius, then use deionized water rinsing.
First colloid is coated on the slide after hydrophilic treated, toasts 10 minutes, obtain on 50 degrees Celsius of heating flat board
Photothermal layer.Then configuration PDMS epoxy glues, as the second colloid, are specially the PDMS glue (DOW CORNINGs for buying market
DC184) (weight ratio) is uniformly mixed in proportion for A, B component, and is carried out 5~10 minutes under the vacuum of 10~20 millimetress of mercury
Second colloid, is then spun on above-mentioned photothermal layer, spin coating instrument rotating speed is set to 2000 revs/min by degassing process.It
Afterwards, dried 1 hour in 120 degrees Celsius of vacuum drying chamber.Be cooled to room temperature, by using tweezers from one jiao by duplicature from
Substrate is peeled off, and the flexible light for obtaining self-supporting activates nano combined duplicature.By the obtained a width of 3cm of duplicature cut growth ×
1cm mechanical arm, such as Fig. 5.Mechanical arm obtained by the present embodiment is deployable for straightened condition, stopping under the irradiation of infrared light
Irradiation is then reduced to closure state.In addition, the mechanical arm response obtained by the present embodiment is rapid and may be designed as required arbitrary shape
Shape, can have realization to apply in many occasions.
Embodiment 2：
The design of intelligent light-operated switch：In mass ratio 1:1 fills graphene and the graphite oxide solution of above-mentioned preparation
Divide mixing, ultrasound 2 hours obtains the first dispersed colloid；It is 7 that slide is placed in into volume ratio:3 concentrated sulfuric acid and 30%
In the mixed liquor of hydrogen peroxide, handle 1 hour at 80 degrees celsius, then use deionized water rinsing.Above-mentioned first colloid is applied
It is overlying on the slide after hydrophilic treated, is toasted 10 minutes on 50 degrees Celsius of heating flat board, obtains photothermal layer.With
Configuration PVP colloids, as the second colloid, are specially that the PVP for buying market is dissolved in absolute ethyl alcohol, ultrasound 2 hours is obtained afterwards
Second colloid, is then spun in the above-mentioned substrate for scribbling photothermal layer, spin coating instrument rotating speed is set by even scattered colloidal solution
It is set to 1500 revs/min.Afterwards, toasted 10 minutes on 50 degrees Celsius of heating flat board.Room temperature is cooled to, by using tweezers
Duplicature is peeled off from substrate from one jiao, the flexible light for obtaining self-supporting activates nano combined duplicature.By obtained duplicature
A width of 1.5cm × the 0.5cm of cut growth strip, then in photothermal layer one layer of conductive layer of evaporation, the conductive layer can be
Aluminium, copper, gold etc..Then it is assembled in circuit, such as Fig. 6.The irradiation of intelligent switch obtained by the present embodiment in visible ray
Under circuit can be connected, LED light is lighted, stop irradiation being then reduced to off-state.In addition, the intelligence obtained by the present embodiment
Response can be switched rapidly and required arbitrary shape is may be designed as, can realize and answer in fields such as street lamp, Untouched control switches
With.
From above-described embodiment, flexible light prepared by the present invention activates nano combined double membrane structure intelligent driver and rung
Should sensitive, controlled shape, application can be realized in many contactless remote control fields.
Present invention optimizes the interracial contact problem in double membrane structure, chemical bonds are introduced in interface, greatly
The adhesion between duplicature is enhanced, the flexible light actuating thin-film device with high mechanical strength and toughness is prepared, fits
For a variety of intelligent drives fields such as novel intelligent controlling switch, optical sensor, artificial-muscle, joint.Technological process letter
The features such as single, with low cost, yield is suitable for industrial production greatly, with preferable application prospect.
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention.It should be pointed out that pair
, under the premise without departing from the principles of the invention, can also be to present invention progress for those skilled in the art
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (15)
1. a kind of preparation method of photic dynamic laminated film, it is characterised in that comprise the following steps：
Graphite oxide and photothermal material are scattered in the first solvent, the first colloid is prepared；
Organic flexible strained-layer materials are scattered in the second solvent, the second colloid is prepared；
First colloid is coated in substrate and dried, photothermal film layer is obtained；
By the second colloid be coated in the photothermal film layer and dry, formed strain film layer, the strain film layer with it is described
Photothermal film layer forms photic dynamic laminated film by chemical bonds,
The photic dynamic laminated film and substrate are stripped.
2. preparation method according to claim 1, it is characterised in that the substrate is selected from glass, silicon or plastics.
3. preparation method according to claim 1, it is characterised in that before first colloid is coated, to the base
Bottom carries out hydrophilic treated.
4. preparation method according to claim 3, it is characterised in that the hydrophilic treated includes：
It is 5 to configure volume ratio:1~2:The mixture of 1 concentrated sulfuric acid and 10~30% aqueous hydrogen peroxide solutions,
At a temperature of 50 to 150 DEG C, the substrate is placed in the mixture 0.5 to 5 hour, and
The substrate is cleaned with deionized water.
5. preparation method according to claim 1, it is characterised in that the described first or second solvent be selected from deionized water,
One or more in hexamethylene and absolute ethyl alcohol.
6. preparation method according to claim 1, it is characterised in that the photothermal material may be selected from nano silicon nitride
Titanium, graphene, CNT, nano aluminium oxide, agraphitic carbon, unformed boron, the photic heat with plasma enhancing effect
One or more in material.
7. preparation method according to claim 6, it is characterised in that the photic heat with plasma enhancing effect
One kind in nanogold particle, metal oxide nanoparticles, duplex metal nano granule, transient metal sulfide of material or
It is a variety of.
8. preparation method according to claim 1, it is characterised in that the organic flexible strained-layer materials are selected from polyethylene
One or more in pyrrolidones, chitosan, Kynoar, cellulose, dimethyl silicone polymer.
9. preparation method according to claim 1, it is characterised in that described first and/or are prepared by ultrasonic disperse
Two colloids.
10. the photic dynamic laminated film prepared with the preparation method according to any one of claim 1 to 9.
11. a kind of photic dynamic laminated film, it is characterised in that the photic dynamic laminated film is by photothermal film layer and strain films
Layer composition, the photothermal film layer includes graphite oxide and photothermal material, and the strain film layer is included by organic flexible
Strained-layer materials, the graphite oxide passes through chemical bonds with the organic flexible strained-layer materials.
12. photic dynamic laminated film according to claim 11, it is characterised in that the photothermal material is selected from nanometer
Titanium nitride, graphene, CNT, nano aluminium oxide, agraphitic carbon, unformed boron, the light with plasma enhancing effect
One or more in pyrogenicity material.
13. preparation method according to claim 12, it is characterised in that described photic with plasma enhancing effect
The one kind of hot material in nanogold particle, metal oxide nanoparticles, duplex metal nano granule, transient metal sulfide
Or it is a variety of.
14. photic dynamic laminated film according to claim 11, it is characterised in that the organic flexible strained-layer materials choosing
One or more from polyvinylpyrrolidone, chitosan, Kynoar, cellulose, dimethyl silicone polymer.
15. the optical actuator formed as the photic dynamic laminated film described in claim 10 or 11.
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