CN103871548B - A kind of flexible transparent film electrode and preparation method thereof - Google Patents
A kind of flexible transparent film electrode and preparation method thereof Download PDFInfo
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- CN103871548B CN103871548B CN201410070045.6A CN201410070045A CN103871548B CN 103871548 B CN103871548 B CN 103871548B CN 201410070045 A CN201410070045 A CN 201410070045A CN 103871548 B CN103871548 B CN 103871548B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 11
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims abstract description 11
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims abstract description 11
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002070 nanowire Substances 0.000 claims abstract description 9
- 239000002086 nanomaterial Substances 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 5
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 5
- 239000000806 elastomer Substances 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229960004643 cupric oxide Drugs 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000002834 transmittance Methods 0.000 abstract description 10
- 239000004020 conductor Substances 0.000 abstract description 5
- 230000001476 alcoholic effect Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 229920005839 ecoflex® Polymers 0.000 abstract description 2
- 229920000058 polyacrylate Polymers 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 239000002042 Silver nanowire Substances 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
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Abstract
The invention discloses a kind of flexible transparent film electrode and preparation method thereof, electrode structure is: electrical-conductive nanometer material/elastic substrates.Wherein electrical-conductive nanometer material can be binary or the multiple element compound of metal nanometer line, metal oxide nano-wire, c-based nanomaterial and these materials, substrate is stretchable elastomer, such as polymethyl siloxane (PDMS), polyacrylate (PMMA) and other degraded polyester (Ecoflex).Its preparation method is that conductive material is buried in polymeric substrates top layer.Concrete steps: be applied on substrate A by the alcoholic solution H of conductive material, are applied to liquid substrate material be placed in vacuum drying chamber on electrical-conductive nanometer material after drying and are heating and curing, are finally peeled off by substrate A.Thus obtained transparency electrode excellent combination property, is embodied in that sheet resistance is low, light transmittance is high, pliability is good, the uniformity is high, it is often more important that conductive layer is good to substrate tack and has height tensility.
Description
Technical field
The present invention relates to a kind of flexible transparent film electrode and preparation method thereof, belong to photoelectricity information material and application.
Background technology
Along with stretchable solar cell, stretchable displayer, stretchable antenna, intelligent clothing, skin sensor and artificial muscle
Becoming increasingly popular of meat, the transparency electrode as its important component part not only needs highly flexible but also needs good tensile property.
The hot strength that different flexible electronic devices needs is different, it is necessary to make the adjustable transparency electrode of range of stretch.In order to improve
The photoelectric efficiency of stretchable photoelectric device, electrode needs to meet high electric conductivity and light transmittance simultaneously.It addition, the conductive layer of electrode
The tack of substrate to be got well.But the flexible transparent film electrode being provided simultaneously with these performances does not exist.
Summary of the invention
Technical problem: in order to overcome above-mentioned the deficiencies in the prior art, the invention provides the flexible and transparent of a kind of excellent combination property
Membrane electrode and preparation method thereof.This membrane electrode can realize high light transmission, electric conductivity, draftability and conductive layer to base simultaneously
The adhesive force at the end.
Technical scheme: the flexible transparent film electrode structure of the present invention is for bury one layer of electrical-conductive nanometer material on stretchable substrate top layer
Material；Wherein electrical-conductive nanometer material is the binary of metal nanometer line, metal oxide nano-wire, c-based nanomaterial or these materials
And the multiple element compound；Substrate is stretchable elastomer.
Described metal nanometer line, metal oxide nano-wire are nanowires of gold, nano silver wire, copper nano-wire, zinc-oxide nano
Line or cupric oxide nano line, c-based nanomaterial is CNT, Graphene；Described stretchable substrate is polymethyl siloxane
PDMS, polyacrylate PMMA or other degradable polyester (Ecoflex).
The preparation method of the flexible transparent film electrode of the present invention is: be applied to by the alcoholic solution H of 0.1～1M electrical-conductive nanometer material
Substrate A is the driest；It is applied to liquid substrate material on nanometer conductive material be placed in vacuum drying chamber vacuumizing bubble removing；
Temperature control, at 65 DEG C～100 DEG C, is heating and curing 12～6h；Finally substrate A is peeled off, obtain flexible transparent film electrode.
Described alcoholic solution H is methyl alcohol, ethanol or isopropanol.
Substrate A is silicon chip, glass, polyethylene terephtalate or polyimides PI.
The alcoholic solution H of electrical-conductive nanometer material is coated with coating method on the substrate a include spin coating, spraying, Mayer rod coating,
Syringe dropping or serigraphy.
Beneficial effect: by regulate conductive material concentration, it is achieved the photoelectric properties that electrode is different, suitable concentration so that
Electrode has high electrical conductivity and light transmittance simultaneously；Regulate different solidification temperatures and time, it is possible to obtain different hot strengths,
Realize different pliabilities simultaneously；The polymeric substrates that conductive material is buried in solidification crosslinking greatly strengthen conductive layer to substrate
Tack.In a word, the excellent combination property of electrode.
Accompanying drawing explanation
Fig. 1 is that to prepare sheet resistance be 14 Ω/, printing opacity for the nano silver wire methanol solution of concentration respectively 0.3M, 0.5M and 0.8M
Rate is 90%, and the AgNWs/PDMS that sheet resistance is 9 Ω/, light transmittance is 81% and sheet resistance is 2 Ω/, light transmittance is 62% can
Stretching transparency electrode.
Fig. 2 is sheet resistance 2 Ω/, the stretching figure of the AgNWs/PDMS electrode of light transmittance 62%.
Detailed description of the invention
Embodiment 1
The nano silver wire methanol solution syringe that 2mL concentration is 0.8M is added drop-wise in substrate of glass, treats its diffusion the most also
After drying the PDMS of liquid is applied on nano silver wire, is placed in vacuum drying chamber and vacuumizes to remove bubble, then temperature control
Heat 12h at 100 DEG C, finally substrate of glass is peeled off.Thus prepared sheet resistance be 2 Ω/, light transmittance be 62%
AgNWs/PDMS transparency electrode.This electrode has preferable draftability, during multi-drawing, when percentage elongation is 0～25%
In the range of, except in first time drawing process, sheet resistance has increased, second time and multi-drawing sheet resistance are the most constant, until drawing subsequently
Rate of stretching just continues more than 25% sheet resistance to increase.Electrode is carried out adhesive tape test, and conductive layer is all without substantially loss, and sheet resistance is basically unchanged,
Conductive layer is good to substrate tack.
Embodiment 2
The nano silver wire methanol solution syringe that 2mL concentration is 0.5M is added drop-wise in substrate of glass, treats its diffusion the most also
After drying the PDMS of liquid is applied on nano silver wire, is placed in vacuum drying chamber and vacuumizes to remove bubble, then temperature control
Heat 12h at 80 DEG C, finally substrate of glass is peeled off.Because nano silver wire solution concentration decreases, electrode sheet resistance and printing opacity
Rate all increases, prepared sheet resistance be 9 Ω/, light transmittance be 81% AgNWs/PDMS transparency electrode.It addition, it is solid
Change temperature and be reduced to 80 DEG C, this electrode, draftability is more preferable, during multi-drawing, when percentage elongation is in the range of 0～50%,
Except in first time drawing process, sheet resistance has increased, second time and multi-drawing sheet resistance are the most constant, until extensibility exceedes subsequently
50% sheet resistance just continues to increase.Electrode is carried out adhesive tape test, and conductive layer is all without substantially loss, and sheet resistance is basically unchanged, conductive layer
Good to substrate tack.
Embodiment 3
The nano silver wire methanol solution syringe that 2mL concentration is 0.3M is added drop-wise in substrate of glass, treats that its diffusion uniformly and is dried
After the PDMS of liquid is applied on nano silver wire, be placed in vacuum drying chamber and vacuumize to remove bubble, then temperature control is at 65 DEG C
Heating 12h, finally peels off substrate of glass.Because concentration reduces further, sheet resistance and light transmittance increase the most further, prepare
The AgNWs/PDMS transparency electrode that sheet resistance is 14 Ω/, light transmittance is 90%.It addition, solidification temperature is further reduced to
80 DEG C, this electrode draftability is best, during multi-drawing, when percentage elongation is in the range of 0～100%, except for the first time
In drawing process, sheet resistance has increased, and second time and multi-drawing sheet resistance are the most constant subsequently, until extensibility is more than 100% sheet resistance
Continue to increase.Electrode is carried out adhesive tape test, and conductive layer is all without substantially loss, and sheet resistance is basically unchanged, and substrate is adhered to by conductive layer
Property is good.
Claims (4)
1. the preparation method of a flexible transparent film electrode, it is characterised in that: this electrode structure is stretchable
One layer of electrical-conductive nanometer material is buried on substrate top layer；Wherein electrical-conductive nanometer material is metal nanometer line, metal oxide
The binary of nano wire, c-based nanomaterial or these materials or the multiple element compound；Stretchable substrate is elastomer；
Described metal nanometer line includes nanowires of gold, nano silver wire or copper nano-wire；Metal oxide nano-wire bag
Include zinc oxide nanowire or cupric oxide nano line；C-based nanomaterial is CNT；Described stretchable substrate is
Polymethyl siloxane PDMS elastomer；Concrete preparation method is:
The alcohol dispersion liquid H of 0.1～1M electrical-conductive nanometer material is applied to substrate A the driest；By liquid substrate material
Material is applied on electrical-conductive nanometer material be placed in vacuum drying chamber vacuumizing bubble removing；Temperature control at 65 DEG C～100 DEG C,
It is heating and curing 6～12h；Finally substrate A is peeled off, obtain flexible transparent film electrode.
The preparation method of flexible transparent film electrode the most according to claim 1, it is characterised in that: described
Alcohol dispersion liquid H selects methyl alcohol or isopropanol.
The preparation method of flexible transparent film electrode the most according to claim 1, it is characterised in that substrate A
It is silicon chip, glass, polyethylene terephtalate or polyimides PI.
The preparation method of flexible transparent film electrode the most according to claim 1, it is characterised in that: will lead
The alcohol dispersion liquid H coating of electricity nano material coating method on the substrate a includes serigraphy.
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| CN201410070045.6A CN103871548B (en) | 2014-02-28 | 2014-02-28 | A kind of flexible transparent film electrode and preparation method thereof |
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| CN201410070045.6A CN103871548B (en) | 2014-02-28 | 2014-02-28 | A kind of flexible transparent film electrode and preparation method thereof |
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| CN103871548B true CN103871548B (en) | 2016-08-31 |
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