CN103871548A - Flexible transparent film electrode and manufacturing method thereof - Google Patents
Flexible transparent film electrode and manufacturing method thereof Download PDFInfo
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- CN103871548A CN103871548A CN201410070045.6A CN201410070045A CN103871548A CN 103871548 A CN103871548 A CN 103871548A CN 201410070045 A CN201410070045 A CN 201410070045A CN 103871548 A CN103871548 A CN 103871548A
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- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 12
- 239000002070 nanowire Substances 0.000 claims abstract description 11
- 239000002086 nanomaterial Substances 0.000 claims abstract description 8
- 230000001476 alcoholic effect Effects 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 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
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 4
- 229920005839 ecoflex® Polymers 0.000 claims abstract description 3
- 229920000728 polyester Polymers 0.000 claims abstract description 3
- 229920001971 elastomer Polymers 0.000 claims abstract 2
- 239000000806 elastomer Substances 0.000 claims abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 10
- 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 description 10
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 2
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- 229960004643 cupric oxide Drugs 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
The invention discloses a flexible transparent film electrode and a manufacturing method thereof. The electrode structurally comprises a conducting nano material and an elastic substrate, wherein the conducting nano material can be metal nanowires or metal oxide nanowires or carbon-based nano materials and binary compound or multi-element compound of the materials, and the substrate can be a stretchable elastomer, such as polydimethylsiloxane (PDMS), polymethyl methacrylate (PMMA) and other degraded polyester (Ecoflex). The manufacturing method of the electrode is characterized in that a conducting material is buried in the surface layer of a polymer substrate, and comprises the concrete steps of coating an alcoholic solution of the conducting material on a substrate A; drying and then coating the liquid substrate material to the conducting nano material; placing the mixed material into a vacuum drying box for heating and curing; finally stripping the substrate A. The transparent electrode manufactured through the method is excellent in comprehensive performance, i.e. low sheet resistance, high light transmittance, good flexibility and high uniformity, and even more important, the adhesiveness of the conducting layer to the substrate is good, and the electrode has height stretchability.
Description
Technical field
The present invention relates to a kind of flexible and transparent membrane electrode and preparation method thereof, belong to photoelectricity information material and application.
Background technology
Along with the solar cell that can stretch, stretchable displayer, can pullout antenna, intelligent clothing, skin sensor and artificial muscle day by day universal, not only need highly flexible but also the good tensile property of needs as the transparency electrode of its important component part.The hot strength difference that different flexible electronic devices needs, is necessary to make the adjustable transparency electrode of range of stretch.In order to improve the photoelectric efficiency of the photoelectric device that can stretch, electrode need to meet high conductivity and light transmittance simultaneously.In addition, the conductive layer of electrode will be got well the tack of substrate.But the flexible and transparent membrane electrode that simultaneously possesses 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 flexible and transparent membrane electrode of a kind of excellent combination property and preparation method thereof.This membrane electrode can be realized high light transmission, conductivity, draftability and the conductive layer adhesive force to substrate simultaneously.
Technical scheme: flexible and transparent membrane electrode structure of the present invention is for burying one deck electrical-conductive nanometer material on elongate substrate top layer; Wherein electrical-conductive nanometer material is binary and the multiple element compound of metal nanometer line, metal oxide nano-wire, c-based nanomaterial or these materials; Substrate is can tensile elasticity body.
Described metal nanometer line, metal oxide nano-wire is nanowires of gold, nano silver wire, copper nano-wire, zinc oxide nanowire or cupric oxide nano line, and c-based nanomaterial is carbon nano-tube, Graphene; Described can elongate substrate be polymethyl siloxane PDMS, polyacrylate PMMA or other degradable polyester (Ecoflex).
The manufacture method of flexible and transparent membrane electrode of the present invention is: the alcoholic solution H of 0.1～1M electrical-conductive nanometer material is applied to substrate A upper to dry; Liquid substrate material is applied on nanometer conductive material and is placed in vacuum drying chamber and vacuumize bubble removing; Temperature control is at 65 DEG C～100 DEG C, and 12～6h is heating and curing; Finally substrate A is peeled off, obtain flexible and transparent membrane electrode.
Described alcoholic solution H is methyl alcohol, ethanol or isopropyl alcohol.
Substrate A is silicon chip, glass, polyethylene terephtalate or polyimides PI.
The coating method that the alcoholic solution H of electrical-conductive nanometer material is coated on substrate A comprises that spin coating, spraying, the coating of Mayer rod, syringe drip or silk screen printing.
Beneficial effect: by regulating the concentration of electric conducting material, realize the different photoelectric properties of electrode, suitable concentration can make electrode have high conductivity and light transmittance simultaneously; Regulate different curing temperature and time, can obtain different hot strengths, realize different pliabilities simultaneously; The polymeric substrates that electric conducting material is buried in to curing cross-linked has strengthened the tack of conductive layer to substrate greatly.In a word, the excellent combination property of electrode.
Brief description of the drawings
Fig. 1 be nano silver wire methanol solution that concentration is respectively 0.3M, 0.5M and 0.8M to make sheet resistance be that 14 Ω/, light transmittance are 90%, sheet resistance be 9 Ω/, light transmittance be 81% and sheet resistance be AgNWs/PDMS that 2 Ω/, light transmittance are 62% transparency electrode that can stretch.
Fig. 2 is the stretching figure of the AgNWs/PDMS electrode of sheet resistance 2 Ω/, light transmittance 62%.
Embodiment
The nano silver wire methanol solution that is 0.8M by 2mL concentration is added drop-wise in substrate of glass with syringe, evenly and after dry liquid PDMS is applied on nano silver wire until its diffusion, be placed in vacuum drying chamber and vacuumize to remove bubble, then temperature control, at 100 DEG C of heating 12h, is finally peeled off substrate of glass.Be the AgNWs/PDMS transparency electrode that 2 Ω/, light transmittance are 62% thereby made sheet resistance.This electrode has good draftability, in the process of multi-drawing, when percentage elongation is in 0～25% scope, except sheet resistance in drawing process for the first time increases to some extent, subsequently for the second time and multi-drawing sheet resistance all constant, until extensibility exceed 25% sheet resistance just continue increase.Electrode is carried out to adhesive tape test, and conductive layer is all without obviously loss, and sheet resistance is substantially constant, and conductive layer is good to substrate tack.
Embodiment 2
The nano silver wire methanol solution that is 0.5M by 2mL concentration is added drop-wise in substrate of glass with syringe, evenly and after dry liquid PDMS is applied on nano silver wire until its diffusion, be placed in vacuum drying chamber and vacuumize to remove bubble, then temperature control, at 80 DEG C of heating 12h, is finally peeled off substrate of glass.Because nano silver wire solution concentration decreases, electrode sheet resistance and light transmittance all increase, and having made sheet resistance is the AgNWs/PDMS transparency electrode that 9 Ω/, light transmittance are 81%.In addition, curing temperature is reduced to 80 DEG C, this electrode, draftability is better, in the process of multi-drawing, when percentage elongation is in 0～50% scope, except sheet resistance in drawing process for the first time increases to some extent, subsequently for the second time and multi-drawing sheet resistance all constant, until extensibility exceed 50% sheet resistance just continue increase.Electrode is carried out to adhesive tape test, and conductive layer is all without obviously loss, and sheet resistance is substantially constant, and conductive layer is good to substrate tack.
Embodiment 3
The nano silver wire methanol solution that is 0.3M by 2mL concentration is added drop-wise in substrate of glass with syringe, evenly and after dry liquid PDMS is applied on nano silver wire until its diffusion, be placed in vacuum drying chamber and vacuumize to remove bubble, then temperature control, at 65 DEG C of heating 12h, is finally peeled off substrate of glass.Because concentration further reduces, sheet resistance and light transmittance all further increase, and having made sheet resistance is the AgNWs/PDMS transparency electrode that 14 Ω/, light transmittance are 90%.In addition, curing temperature is further reduced to 80 DEG C, this electrode draftability is best, in the process of multi-drawing, when percentage elongation is in 0～100% scope, except sheet resistance in drawing process for the first time increases to some extent, subsequently for the second time and multi-drawing sheet resistance all constant, just continue to increase until extensibility exceedes 100% sheet resistance.Electrode is carried out to adhesive tape test, and conductive layer is all without obviously loss, and sheet resistance is substantially constant, and conductive layer is good to substrate tack.
Claims (6)
1. a flexible and transparent membrane electrode, is characterized in that: this electrode structure is for burying one deck electrical-conductive nanometer material on elongate substrate top layer; Wherein electrical-conductive nanometer material is binary or the multiple element compound of metal nanometer line, metal oxide nano-wire, c-based nanomaterial and these materials; Can elongate substrate be elastomer.
2. flexible and transparent membrane electrode according to claim 1, it is characterized in that: described metal nanometer line, metal oxide nano-wire is nanowires of gold, nano silver wire, copper nano-wire, silicon nanowires, zinc oxide nanowire or cupric oxide nano line, and c-based nanomaterial is carbon nano-tube, Graphene; Described can elongate substrate be polymethyl siloxane PDMS, polyacrylate PMMA or other degraded polyester Ecoflex.
3. a manufacture method for the flexible and transparent membrane electrode as described in right 1, is characterized in that: the alcoholic solution H of 0.1 ~ 1 M electrical-conductive nanometer material is applied to substrate A upper to dry; Liquid substrate material is applied on nanometer conductive material and is placed in vacuum drying chamber and vacuumize bubble removing; Temperature control is at 65 DEG C ~ 100 DEG C, and 12 ~ 6 h are heating and curing; Finally substrate A is peeled off, obtain flexible and transparent membrane electrode.
4. the manufacture method of flexible and transparent membrane electrode according to claim 3, is characterized in that: described alcoholic solution H is methyl alcohol, ethanol or isopropyl alcohol.
5. the manufacture method of flexible and transparent membrane electrode according to claim 3, is characterized in that substrate A is silicon chip, glass, polyethylene terephtalate or polyimides PI.
6. the manufacture method of flexible and transparent membrane electrode according to claim 3, is characterized in that: the coating method that the alcoholic solution H of electrical-conductive nanometer material is coated on substrate A comprises that spin coating, spraying, the coating of Mayer rod, syringe drip or silk screen printing.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Publication Number | Publication Date |
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| CN103871548A true CN103871548A (en) | 2014-06-18 |
| CN103871548B CN103871548B (en) | 2016-08-31 |
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