CN106604482B - A kind of preparation method of AC electroluminescence device - Google Patents
A kind of preparation method of AC electroluminescence device Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of AC electroluminescence device, first using doped with can the hydrosol of dissociating metals salt flexible ion conductor is made；Then poly-dopamine cladding high dielectric ceramic particle is selected, has graphene oxide in poly-dopamine surface grafting, is restored using the method for electronation, obtaining poly-dopamine surface grafting has the dielectric elastomer of graphene oxide；Finally combined according to the sequence of flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor, obtain the AC electroluminescence device of interlayer structure, wherein one layer flexible ion conductor is serially connected with the anode circuit of ac signal, and another layer of flexible ion conductor is serially connected with the cathode circuit of ac signal.AC electroluminescence device stability is good made from this method, and tensility can good, energy conservation and environmental protection.
Description
Technical field：
The present invention relates to field of electrical components, are specifically related to a kind of preparation method of AC electroluminescence device.
Background technology：
It is either " cold that electroluminescent device (ELD) refers to that luminescent material is exposed to the electroluminescent generated under electric field action
Transmitting ".Henry Round detect this phenomenon for the first time when doing experiment of the electric current by the silicon detector that is carbonized in 1907.
With " electroluminescent ", this word describes this to the George Gestriau in the Marie Curie laboratories of Paris in 1936 for the first time
Phenomenon, while report the electroluminescent for producing exchange driving between layers of the ZnS powder under conditions of added electric field
Journey.He thought that this phenomenon will have very big development potentiality as a kind of simple light source at that time, but due to the output of light
Very low, it is very slow to result in the initial development in the field for short life.To in the 1950s, GTF companies just have developed
One ceramic electroluminescent lamp for being similar to sandwich structure, i.e., add dielectric layer and prominent photosphere between the two conductors.So
And the service life of the device is still very low, so the commercialized idea of electroluminescent device is fallen through at this time.The later technology experienced
Technical propulsion twice, i.e., on the basis of the basic conception of the technology and theory improve, there has been proposed based on powder
The thick film AC electroluminescence device (AC-ELD) at end is until in the 1990s, thick film AC-EL is sent out in FPD and flexibility
The fields such as light just formally enter market.
The device architecture of AC-ELD is divided into two kinds, symmetrical structure and unsymmetric structure.Symmetrical structure is exactly luminescent layer both sides
There are one dielectric layers respectively；Unsymmetric structure is being closed at back electrode there are one dielectric layer.So simplest device architecture
Also there are four layers：Transparent electrode/luminescent layer/dielectric layer/back electrode.Transparent electrode is mainly the electrode of ITO, conducting polymer electricity
Pole and nano material electrode；Luminescent layer is primarily referred to as some fluorescent powders with strong luminescence effect such as ZnS and its doping material
Material etc.；Dielectric layer refers to the larger material of some dielectric constants such as barium titanate, silica etc.；Back electrode refers to that electric conductivity is preferable
Electrode material, such as carbon black, silver paste.But in currently used AC electroluminescence device, ITP electrode stabilities are poor, can
Tensile property is bad, and the dielectric material dielectric constant that dielectric layer uses is low, dielectric loss is big, electroluminescent deformation is small so that exchange
The luminous efficiency of electroluminescent device is low, and service life is short, and stability is poor.
Invention content：
The object of the present invention is to provide a kind of manufacturing method of AC electroluminescence device, this method exchange obtained is electroluminescent
Luminescent device service life is long, has higher luminous efficiency, stability is good, energy conservation and environmental protection.
To achieve the above object, the present invention uses following technical scheme：
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
High polymer monomer and water are mixed, through being sufficiently stirred dissolving, obtain the macromolecule that mass fraction is 5-10%
Then monomer solution adds in metal salt into high polymer monomer solution, and add in crosslinking agent, initiator and catalyst, mixing
Mixed solution uniformly is obtained, then pours into mixed solution in the glass board mould for accompanying silica gel pad, is put into insulating box and adds
It is 1-5 hours hot, obtain doped with can dissociating metals salt the hydrosol, hydrogel is cut into as needed round or strip
Flexible ion conductor；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.2-2mg/
The aqueous dopamine solution of ml；
B) high dielectric ceramic particle is added in aqueous dopamine solution made from step a), 25 DEG C, under 500-1000rpm
15-25h is stirred to react, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains solid poly- DOPA
Amine coats high dielectric ceramic filler；
C) graphene oxide and water are mixed, it is water-soluble to obtain graphene oxide by ultrasonic disperse 3-6h under 800-1000W power
Liquid, then adds in solid poly-dopamine cladding high dielectric ceramic filler made from step b), 25 DEG C, stir under 800-1200rpm
Reaction 15-25h is mixed, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multi-layer core-shell structure oxygen
Fossil mertenyl dielectric filler；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added in hydrazine hydrate ammonia spirit, at 80-100 DEG C
1-3h is stirred to react, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains multi-layer core-shell structure stone
Mertenyl dielectric filler, is then added in rubber matrix, adds in vulcanizing agent, and two-roll mill is kneaded at 20-60 DEG C
Uniformly, slice, kneading machine park 7-16h, vulcanize 30-50min on vulcanizing press at 160 DEG C, and multi-layer core-shell structure stone is made
Mertenyl dielectric elastomer material；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
As a preferred embodiment of the above technical solution, in step (1), the high polymer monomer is acrylic acid, ethylene glycol, acryloyl
One kind in amine, N-isopropylacrylamide.
As a preferred embodiment of the above technical solution, in step (1), the metal salt is lithium chloride, sodium chloride, potassium chloride, chlorine
Change one kind in calcium, potassium acetate, sodium acetate, calcium acetate.
As a preferred embodiment of the above technical solution, in step (1), high polymer monomer, crosslinking agent, initiator, catalyst use
Amount is than being 100：(0.001-0.05)：(0.001-0.005)：(0.003-0.06).
As a preferred embodiment of the above technical solution, in step b), the high dielectric ceramic particle is nano barium phthalate, nanometer two
One kind in titanium oxide, nanometer lead magnesio-niobate, the particle size of particle is 50-200nm.
As a preferred embodiment of the above technical solution, in step c), a concentration of 0.4-1mg/ml of graphene oxide water solution.
As a preferred embodiment of the above technical solution, in step d), a concentration of 0.005- of ammonia spirit of the hydrazine hydrate
0.015mg/ml。
As a preferred embodiment of the above technical solution, in step d), the graphene-based dielectric filler of the multi-layer core-shell structure, rubber
The dosage of matrix, vulcanizing agent, in parts by weight, respectively：Multi-layer core-shell structure is dielectric filler 1.5-5 parts graphene-based, rubber
100 parts of matrix, 0.5-2 parts of vulcanizing agent.
As a preferred embodiment of the above technical solution, the dopamine, high dielectric ceramic particle mass ratio be 1：(50-100).
As a preferred embodiment of the above technical solution, the matter of the poly-dopamine cladding high dielectric ceramic filler and graphene oxide
Amount is than being 1：(0.3-0.8).
The invention has the advantages that：
On the one hand the present invention using doped with can the hydrosol of dissociating metals salt flexible ion conductor is prepared, prepared
The dosage of process conditions and each raw material is rationally controlled in journey so that the flexibility ion conductor transparency obtained is good, tensility
Can be excellent, stability is good, effectively increases the stability of AC electroluminescence device；
On the other hand, the present invention selects poly-dopamine cladding high dielectric ceramic particle, is aoxidized in poly-dopamine surface grafting
Graphene is restored using the method for electronation, obtains the high dielectric ceramic particle surface grafting stone of poly-dopamine cladding
Black alkene, and graphene is good in the high dielectric ceramic filler Dispersion on surface that poly-dopamine coats, elastomer obtained can be simultaneously
It takes into account that dielectric constant is big, electroluminescent deformation is big, dielectric loss is low, the low advantage of elasticity modulus, effectively increases and obtained exchanged by it
The luminous efficiency of electroluminescent device, service life just, energy conservation and environmental protection.
Specific embodiment：
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be formed to the present invention.
Embodiment 1
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
Acrylic acid and water are mixed, through being sufficiently stirred dissolving, obtain the acrylic acid solution that mass fraction is 5%, so
Add in lithium chloride, and add in crosslinking agent, initiator and catalyst in backward acrylic acid solution, be uniformly mixed obtain mixing it is molten
Then liquid pours into mixed solution in the glass board mould for accompanying silica gel pad, be put into insulating box and heat 1 hour, mixed
Hydrogel is cut into round or strip flexible ion conductor by the miscellaneous hydrosol for having lithium chloride as needed；Wherein, propylene
Acid, crosslinking agent, initiator, catalyst amount ratio be 100：0.0010.001：0.003；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.2mg/ml
Aqueous dopamine solution；
B) the nanometer lead magnesio-niobate particle of 50nm is added in aqueous dopamine solution made from step a), 25 DEG C,
15h is stirred to react under 1000rpm, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains solid
Poly-dopamine coat nanometer lead magnesio-niobate filler, wherein, dopamine, nanometer lead magnesio-niobate particle mass ratio be 1：50；
C) graphene oxide and water are mixed, ultrasonic disperse 6h under 800W power obtains the oxidation of a concentration of 0.4mg/ml
Graphene aqueous solution, then adds in solid poly-dopamine cladding nanometer lead magnesio-niobate filler made from step b), 25 DEG C,
25h is stirred to react under 800rpm, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multilayer core
Shell structure graphite oxide alkenyl dielectric filler；Wherein, the matter of poly-dopamine cladding nanometer lead magnesio-niobate filler and graphene oxide
Amount is than being 1：0.3；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added to the hydrazine hydrate ammonia of a concentration of 0.005mg/ml
In aqueous solution, 3h is stirred to react at 80 DEG C, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains
The graphene-based dielectric filler of multi-layer core-shell structure, is then added in rubber matrix, adds in vulcanizing agent, and two-roll mill exists
Be kneaded at 20 DEG C uniformly, slice, kneading machine park 7h, vulcanize 30min on vulcanizing press at 160 DEG C, multi-layer core-shell knot is made
The graphene-based dielectric elastomer material of structure；Wherein, each component dosage is respectively in parts by weight：Multi-layer core-shell structure is graphene-based
1.5 parts of dielectric filler, 100 parts of rubber matrix, 0.5 part of vulcanizing agent；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
Embodiment 2
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
Ethylene glycol and water are mixed, through being sufficiently stirred dissolving, obtain the ethylene glycol solution that mass fraction is 10%, so
Add in sodium chloride, and add in crosslinking agent, initiator and catalyst in backward ethylene glycol solution, be uniformly mixed obtain mixing it is molten
Then liquid pours into mixed solution in the glass board mould for accompanying silica gel pad, be put into insulating box and heat 5 hours, mixed
Hydrogel is cut into round or strip flexible ion conductor by the miscellaneous hydrosol for having sodium chloride as needed；Wherein, second two
Alcohol, crosslinking agent, initiator, catalyst amount ratio be 100：0.05：0.005：0.06；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 2mg/ml's
Aqueous dopamine solution；
B) the nano barium phthalate particle of 200nm is added in aqueous dopamine solution made from step a), 25 DEG C, 500rpm
Under be stirred to react 25h, after reaction, with deionized water be diluted to it is neutral, filter, vacuum drying, obtain solid poly- DOPA
Amine coat nano barium phthalate filler, wherein, dopamine, nano barium phthalate particle mass ratio be 1：100；
C) graphene oxide and water are mixed, ultrasonic disperse 3h under 1000W power obtains the oxidation stone of a concentration of 1mg/ml
Then black aqueous solution adds in solid poly-dopamine cladding nano barium phthalate filler, 25 DEG C, 1200rpm made from step b)
Under be stirred to react 15h, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multi-layer core-shell structure
Graphite oxide alkenyl dielectric filler；Wherein, the mass ratio of poly-dopamine cladding nano barium phthalate filler and graphene oxide is 1：
0.8；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added to the hydrazine hydrate ammonia of a concentration of 0.015mg/ml
In aqueous solution, 1h is stirred to react at 100 DEG C, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains
The graphene-based dielectric filler of multi-layer core-shell structure, is then added in rubber matrix, adds in vulcanizing agent, and two-roll mill exists
Be kneaded at 60 DEG C uniformly, slice, kneading machine park 16h, vulcanize 50min on vulcanizing press at 160 DEG C, multi-layer core-shell knot is made
The graphene-based dielectric elastomer material of structure；Wherein, each component dosage is respectively in parts by weight：Multi-layer core-shell structure is graphene-based
5 parts of dielectric filler, 100 parts of rubber matrix, 2 parts of vulcanizing agent；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
Embodiment 3
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
Acrylamide and water are mixed, through being sufficiently stirred dissolving, it is molten to obtain the acrylamide that mass fraction is 6%
Then liquid adds in calcium chloride into acrylamide solution, and add in crosslinking agent, initiator and catalyst, is uniformly mixed and obtains
Then mixed solution pours into mixed solution in the glass board mould for accompanying silica gel pad, be put into insulating box and heat 2 hours,
The hydrosol doped with calcium chloride is obtained, hydrogel is cut into round or strip flexible ion conductor as needed；Its
In, calcium chloride, crosslinking agent, initiator, catalyst amount ratio be 100：0.008：0.002：0.01；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.4mg/ml
Aqueous dopamine solution；
B) nano-titania particle of 80nm is added in aqueous dopamine solution made from step a), 25 DEG C,
27h is stirred to react under 600rpm, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains solid
Poly-dopamine coat nano-titanium dioxide filler, wherein, dopamine, nano-titanium dioxide mass ratio be 1：60；
C) graphene oxide and water are mixed, ultrasonic disperse 5.5h under 850W power obtains the oxygen of a concentration of 0.6mg/ml
Graphite aqueous solution, then adds in solid poly-dopamine cladding nano-titanium dioxide filler made from step b), 25 DEG C,
23h is stirred to react under 900rpm, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multilayer core
Shell structure graphite oxide alkenyl dielectric filler；Wherein, the matter of poly-dopamine cladding nano-titanium dioxide filler and graphene oxide
Amount is than being 1：0.5；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added to the hydrazine hydrate ammonia of a concentration of 0.007mg/ml
In aqueous solution, 2.5h is stirred to react at 85 DEG C, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains
It to the graphene-based dielectric filler of multi-layer core-shell structure, is then added in rubber matrix, adds in vulcanizing agent, two-roll mill
Be kneaded at 30 DEG C uniformly, slice, kneading machine park 10h, vulcanize 35min on vulcanizing press at 160 DEG C, multi-layer core-shell is made
Structure graphite alkenyl dielectric elastomer material；Wherein, each component dosage is respectively in parts by weight：Multi-layer core-shell structure graphene
2.5 parts of base dielectric filler, 100 parts of rubber matrix, 0.9 part of vulcanizing agent；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
Embodiment 4
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
N-isopropylacrylamide and water are mixed, through being sufficiently stirred dissolving, obtain the isopropyl that mass fraction is 7%
Then acrylamide solution adds in potassium acetate into N-isopropylacrylamide solution, and add in crosslinking agent, initiator and catalysis
Agent is uniformly mixed and obtains mixed solution, then pours into the glass board mould for accompanying silica gel pad mixed solution, be put into constant temperature
It is heated 3 hours in case, obtains the hydrosol doped with potassium acetate, hydrogel is cut into as needed round or strip soft
Property ion conductor；Wherein, N-isopropylacrylamide, crosslinking agent, initiator, catalyst amount ratio be 100：0.02：0.003：
0.03；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.6mg/ml
Aqueous dopamine solution；
B) the nano barium phthalate particle of 120nm is added in aqueous dopamine solution made from step a), 25 DEG C, 700rpm
Under be stirred to react 20h, after reaction, with deionized water be diluted to it is neutral, filter, vacuum drying, obtain solid poly- DOPA
Amine coat nano barium phthalate filler, wherein, dopamine, nano barium phthalate particle mass ratio be 1：70；
C) graphene oxide and water are mixed, ultrasonic disperse 4.5h under 900W power obtains the oxygen of a concentration of 0.8mg/ml
Graphite aqueous solution, then adds in solid poly-dopamine cladding nano barium phthalate filler made from step b), 25 DEG C,
19h is stirred to react under 1000rpm, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multilayer core
Shell structure graphite oxide alkenyl dielectric filler；Wherein, the quality of poly-dopamine cladding nano barium phthalate filler and graphene oxide
Than being 1：0.5；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added to the hydrazine hydrate ammonia of a concentration of 0.011mg/ml
In aqueous solution, 2h is stirred to react at 90 DEG C, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains
The graphene-based dielectric filler of multi-layer core-shell structure, is then added in rubber matrix, adds in vulcanizing agent, and two-roll mill exists
Be kneaded at 50 DEG C uniformly, slice, kneading machine park 11h, vulcanize 40min on vulcanizing press at 160 DEG C, multi-layer core-shell knot is made
The graphene-based dielectric elastomer material of structure；Wherein, each component dosage is respectively in parts by weight：Multi-layer core-shell structure is graphene-based
3.5 parts of dielectric filler, 100 parts of rubber matrix, 1.4 parts of vulcanizing agent；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
Embodiment 5
A kind of preparation method of AC electroluminescence device, includes the following steps：
(1) preparation of flexible ion conductor
Acrylamide and water are mixed, through being sufficiently stirred dissolving, it is molten to obtain the acrylamide that mass fraction is 8%
Then liquid adds in calcium acetate into acrylamide solution, and add in crosslinking agent, initiator and catalyst, is uniformly mixed and obtains
Then mixed solution pours into mixed solution in the glass board mould for accompanying silica gel pad, be put into insulating box and heat 4 hours,
The hydrosol doped with calcium acetate is obtained, hydrogel is cut into round or strip flexible ion conductor as needed；Its
In, acrylamide, crosslinking agent, initiator, catalyst amount ratio be 100：0.03：0.004：0.05；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.8mg/ml
Aqueous dopamine solution；
B) nano-titania particle of 100nm is added in aqueous dopamine solution made from step a), 25 DEG C,
17h is stirred to react under 900rpm, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains solid
Poly-dopamine coat nano-titanium dioxide filler, wherein, dopamine, nano-titania particle mass ratio be 1：85；
C) graphene oxide and water are mixed, ultrasonic disperse 3.5h under 950W power obtains the oxygen of a concentration of 0.8mg/ml
Graphite aqueous solution, then adds in solid poly-dopamine cladding nano-titanium dioxide filler made from step b), 25 DEG C,
18h is stirred to react under 1100rpm, after reaction, neutrality is diluted to deionized water, filters, vacuum drying, obtain multilayer core
Shell structure graphite oxide alkenyl dielectric filler；Wherein, the matter of poly-dopamine cladding nano-titanium dioxide filler and graphene oxide
Amount is than being 1：0.7；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added to the hydrazine hydrate ammonia of a concentration of 0.013mg/ml
In aqueous solution, 1.5h is stirred to react at 95 DEG C, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains
It to the graphene-based dielectric filler of multi-layer core-shell structure, is then added in rubber matrix, adds in vulcanizing agent, two-roll mill
Be kneaded at 55 DEG C uniformly, slice, kneading machine park 8h, vulcanize 45min on vulcanizing press at 160 DEG C, multi-layer core-shell is made
Structure graphite alkenyl dielectric elastomer material；Wherein, each component dosage is respectively in parts by weight：Multi-layer core-shell structure graphene
4.5 parts of base dielectric filler, 100 parts of rubber matrix, 1.8 parts of vulcanizing agent；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor
Sequence combines, and obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is serially connected with ac signal
Anode circuit, another layer of flexible ion conductor be serially connected with the cathode circuit of ac signal.
Claims (10)
1. a kind of preparation method of AC electroluminescence device, which is characterized in that include the following steps：
(1) preparation of flexible ion conductor
High polymer monomer and water are mixed, through being sufficiently stirred dissolving, obtain the high polymer monomer that mass fraction is 5-10%
Then solution adds in metal salt into high polymer monomer solution, and add in crosslinking agent, initiator and catalyst, is uniformly mixed
Mixed solution is obtained, then pours into mixed solution in the glass board mould for accompanying silica gel pad, is put into insulating box and heats 1-5
Hour, obtain doped with can dissociating metals salt the hydrosol, the hydrosol is cut into round or strip flexibility as needed
Ion conductor；
(2) preparation of dielectric elastomer
A) pH to 8.5 of water is adjusted with trishydroxymethylaminomethane solid, dopamine is added in, obtains a concentration of 1.2-2mg/ml's
Aqueous dopamine solution；
B) high dielectric ceramic particle is added in aqueous dopamine solution made from step a), 25 DEG C, stir under 500-1000rpm
15-25h is reacted, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains solid poly-dopamine packet
Cover high dielectric ceramic filler；
C) graphene oxide and water being mixed, ultrasonic disperse 3-6h under 800-1000W power obtains graphene oxide water solution,
Then add in solid poly-dopamine cladding high dielectric ceramic filler made from step b), 25 DEG C, stir under 800-1200rpm it is anti-
15-25h is answered, after reaction, neutrality is diluted to deionized water, filtered, vacuum drying, obtains multi-layer core-shell structure oxidation stone
Mertenyl dielectric filler；
D) multi-layer core-shell structure graphite oxide alkenyl dielectric filler is added in hydrazine hydrate ammonia spirit, is stirred at 80-100 DEG C
1-3h is reacted, after reaction, neutral, suction filtration, vacuum drying is diluted to deionized water, obtains multi-layer core-shell structure graphene
Base dielectric filler, is then added in rubber matrix, adds in vulcanizing agent, two-roll mill is kneaded at 20-60 DEG C it is uniform,
Slice, kneading machine park 7-16h, vulcanize 30-50min on vulcanizing press at 160 DEG C, and it is graphene-based that multi-layer core-shell structure is made
Dielectric elastomer material；
(3) preparation of AC electroluminescence device
According to flexible ion conductor, dielectric elastomer, AC electroluminescence body, dielectric elastomer, flexible ion conductor sequence
Combination, obtains the AC electroluminescence device of interlayer structure, wherein one layer of flexible ion conductor is being serially connected with ac signal just
Polar curve road, another layer of flexible ion conductor are serially connected with the cathode circuit of ac signal.
2. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step (1), institute
High polymer monomer is stated as one kind in acrylic acid, ethylene glycol, acrylamide, N-isopropylacrylamide.
3. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step (1), institute
Metal salt is stated as one kind in lithium chloride, sodium chloride, potassium chloride, calcium chloride, potassium acetate, sodium acetate, calcium acetate.
4. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：It is high in step (1)
Molecule monomer, crosslinking agent, initiator, catalyst amount ratio be 100：(0.001-0.05)：(0.001-0.005)：(0.003-
0.06)。
5. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step b), institute
High dielectric ceramic particle is stated as one kind in nano barium phthalate, nano-titanium dioxide, nanometer lead magnesio-niobate, the particle size of particle
For 50-200nm.
6. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step c), institute
State a concentration of 0.4-1mg/ml of graphene oxide water solution.
7. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step d), institute
State a concentration of 0.005-0.015mg/ml of ammonia spirit of hydrazine hydrate.
8. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：In step d), institute
State the graphene-based dielectric filler of multi-layer core-shell structure, rubber matrix, vulcanizing agent dosage, in parts by weight, respectively：Multilayer core
Shell structure is dielectric filler 1.5-5 parts graphene-based, 100 parts of rubber matrix, 0.5-2 parts of vulcanizing agent.
9. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：The dopamine,
The mass ratio of high dielectric ceramic particle is 1：(50-100).
10. a kind of preparation method of AC electroluminescence device as described in claim 1, it is characterised in that：The poly- DOPA
It is 1 that amine, which coats high dielectric ceramic filler and the mass ratio of graphene oxide,：(0.3-0.8).
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