CN109696785A - A kind of high-performance electrochromism capacitor double-function device and preparation method thereof - Google Patents

A kind of high-performance electrochromism capacitor double-function device and preparation method thereof Download PDF

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CN109696785A
CN109696785A CN201910013675.2A CN201910013675A CN109696785A CN 109696785 A CN109696785 A CN 109696785A CN 201910013675 A CN201910013675 A CN 201910013675A CN 109696785 A CN109696785 A CN 109696785A
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electrochromism
tio
conductive glass
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CN109696785B (en
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王诗铭
王玉好
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Liaoning University
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/153—Constructional details
    • G02F1/155—Electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/1506—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect caused by electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

Abstract

The present invention relates to a kind of high-performance electrochromism capacitor double-function devices and preparation method thereof.The technical solution adopted is that: the electrochromism capacitor double-function device is using the electro-conductive glass of carried polymer overlay film as working electrode, liquid ionic liquid as electrolyte, load 12 tungstophosphoric acids-titanium dioxide (PW12‑TiO2) composite membrane electro-conductive glass as " sandwich " interlayer structure constituted to electrode.The present invention utilizes the PW with redox active12‑TiO2Composite membrane is as conjugated polymer base electrochromic device to electrode, using non-aqueous, there is bistability in the case where non-acidic electrolyte matter, high color contrast, the characteristic of high specific capacitance, charge and discharge process judges that magnitude of the stored charge in device by device exterior color with the variation of color, is a kind of method of new production high-performance electrochromism capacitor double-function device.

Description

A kind of high-performance electrochromism capacitor double-function device and preparation method thereof
Technical field
The present invention relates to display fields, more particularly to a kind of multi-functional electrochromic capacitor devices and its production side Method.
Background technique
The common normal structure of electrochromic device is by the sandwich structure of the integrated similar battery of a plurality of types of materials. Its course of work generally includes following two step: (1) applying a forward voltage between two transparent electrode layers, act in positive field Under, the active ion in electrolyte layer injects photochromic layer, causes photochromic layer that coloring process occurs；(2) two transparent electrode layers it Between apply a backward voltage, reversed electric field effect under, active ion is extracted from photochromic layer, and photochromic layer is caused to take off Color process.Electrochromism-capacitor double-function device also has device as capacitor in use, the process of charge and discharge is with device Part color change can judge charge level by the depth of color.Traditional electrochromic device includes by being deposited on two sides 5 layers of structure of transparent conductive material, electrochromic material and electrolyte composition between glass substrate, from bottom to top successively Including transparent electrode layer, photochromic layer, electrolyte layer, ion storage, transparent electrode layer, glass or transparent substrate material.At present The disadvantages of this kind of device needs to use acidic electrolyte bath, and it is poor that there are cyclical stabilities, and charge and discharge color change is unobvious.
Summary of the invention
Of the existing technology in order to solve the problems, such as, the present invention provides that a kind of preparation method is simple, and cyclical stability is high High-performance electrochromism capacitor double-function device.
The technical solution adopted by the present invention is that: a kind of high-performance electrochromism capacitor double-function device, described is electroluminescent Discoloration capacitor double-function device is using the electro-conductive glass of carried polymer overlay film as working electrode, liquid ionic liquid for electricity Xie Zhi, load PW12-TiO2The electro-conductive glass of composite membrane is as " sandwich " interlayer structure constituted to electrode；The high score Sub- overlay film is the overlay film containing electrochromic polymeric compounds；The ionic liquid is the double trifluoro methylsulphurs of 1- butyl -3- methylimidazole Imide salts.
Preferably, above-mentioned a kind of high-performance electrochromism capacitor double-function device, the electrochromic polymeric compounds It is poly- (3,4- (2 ', 2 '-two (bromomethyl)) trimethylene base dioxy thiophene or poly- (3,4- (2 ', 2 '-two (methoxyl methyl)) trimethylene base Dioxy thiophene.
Preferably, above-mentioned a kind of high-performance electrochromism capacitor double-function device, the thickness of the coated by high-molecular film Degree is 150~180nm.
Preferably, above-mentioned a kind of high-performance electrochromism capacitor double-function device, working electrode and between electrode Distance be 90~110 microns.
Preferably, above-mentioned a kind of high-performance electrochromism capacitor double-function device, the PW12-TiO2Composite membrane With a thickness of 500nm~1500nm.
Preferably, a kind of above-mentioned high-performance electrochromism capacitor double-function device, the electro-conductive glass are led for FTO Electric glass or ITO electro-conductive glass.It is furthermore preferred that the electro-conductive glass of production working electrode uses ITO electro-conductive glass, make to electrode Electro-conductive glass use FTO electro-conductive glass.
A kind of preparation method of high-performance electrochromism capacitor double-function device, includes the following steps:
1) production of working electrode: successively by FeCl3·6H2O, polyoxyethylene polyoxypropylene copolymer (molecular weight: 2800g mol-1) and electrochromic polymeric compounds be dissolved in butanol, at room temperature be ultrasonically treated 5~10min, gained mixed liquor is passed through into parent Then Aqueous inj ection device membrane filtration is uniformly coated in electro-conductive glass substrate using method of spin coating, control rotation speed is 1000~1400rpm, 5~10s of spin coating wash off remaining FeCl with ethyl alcohol3After be dried with nitrogen, obtain carried polymer overlay film Electro-conductive glass is as working electrode；
2) to the production of electrode: with ethyl alcohol by TiO2Pulp dilution is at suspension, using electro-conductive glass as substrate, using rotation Turn rubbing method control 700~1000rpm of revolution, 25~35s of spin coating, 25~35min is then made annealing treatment at 500 DEG C, is being led TiO is obtained on electric glass2Substrate；Using electro-deposition method, by PW12Deposit to TiO2In substrate, PW is obtained12-TiO2Composite membrane obtains PW must be loaded12-TiO2The electro-conductive glass of composite membrane is used as to electrode；
3) assembling of device: by working electrode and to electrode combination, distance between the two poles of the earth is controlled using sarin film, injects liquid State ionic liquid constitutes " sandwich " interlayer structure as electrolyte.
Preferably, the preparation method of above-mentioned a kind of high-performance electrochromism capacitor double-function device, the TiO2 Slurry, TiO2Partial size is 18nm.
Preferably, the preparation method of above-mentioned a kind of high-performance electrochromism capacitor double-function device, in step 2), institute The electro-deposition method stated are as follows: cyclic voltammetry, sweeping speed is 100mV/s；PW12Concentration is 10mg/mL, and electro-deposition carries out 25 and follows Ring, electro-deposition voltage range are -1.0~0.2V.
The beneficial effects of the present invention are:
1, the present invention utilizes the 12 tungstophosphoric acid-TiO with redox active2Composite membrane is as conjugated polymer base electricity Mutagens color device to electrode, there is bistability using non-aqueous non-acidic electrolyte matter, high color contrast, The characteristic of high specific capacitance.And charge and discharge process, with the variation of color, magnitude of the stored charge can pass through device in such device Exterior color judges, is a kind of method of new production high-performance electrochromism capacitor double-function device.
2, the optical contrast of electrochromism capacitor double-function device of the invention 1.8~1.5V to -1.8~- It can get 50% or more under the application voltage of 2.0V.Transparent-purple-blue transformation is presented in color.
3, the cyclical stability of electrochromism capacitor double-function device of the invention is more than that 2500 circulations are above still It keeps stablizing.
4, the coloring of electrochromism capacitor double-function device of the invention is faded memory time: colored state is removed outer After portion's voltage, optical contrast reduces by 6%, and the time is greater than 3.5 hours；Bleached state, after removing external voltage, optical contrast 9% is reduced, the time is greater than 2.35 hours.
5, the UV stable of electrochromism capacitor double-function device of the invention: by device in ultraviolet light (8000mW cm-2) under irradiation, exposure 60 hours, compared with the optics before and after ultraviolet photoetching switches spectrum, response time and light Learning contrast does not have significant change.
Detailed description of the invention
Fig. 1 a is the structure two-dimensional representation of electrochromism capacitor double-function device of the present invention.
Fig. 1 b is the structure three-dimensional schematic diagram of electrochromism capacitor double-function device of the present invention.
Fig. 2 a is the molecular structure of electrochromic polymeric compounds of the present invention.
Fig. 2 b is 12 tungstophosphoric acid (H of the present invention3PW12O40) molecular anionic portion structure chart.
Fig. 3 is the cross-sectional scans electron microscope to electrode of embodiment 1 (a), embodiment 2 (b) and embodiment 3 (c) preparation Picture.
Fig. 4 a is embodiment 1 in the transmitance result of variations that wavelength is at 580nm, under different twin voltages.
Fig. 4 b is embodiment 2 in the transmitance result of variations that wavelength is at 580nm, under different twin voltages.
Fig. 4 c is embodiment 3 in the transmitance result of variations that wavelength is at 580nm, under different twin voltages.
Fig. 5 is full spectral transmittance of the embodiment 1 under different voltages.
Fig. 6 is to change test result with transmitance in the charge and discharge process of embodiment 2.
Fig. 7 a is the cyclical stability test result figure of embodiment 3.
Fig. 7 b is 3 colorings of embodiment/colour fading memory stability test result figure.
Fig. 7 c is 3 UV stable test result figure of embodiment
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to It is of the invention in limiting.
Embodiment 1
(1) preparation method
1. the production of working electrode:
Successively by 0.3g FeCl3·6H2O, 0.2g polyoxyethylene polyoxypropylene copolymer (molecular weight 2800g mol-1) and 0.05g3,4- (2 ', 2 '-two (bromomethyl) trimethylene base dioxy thiophenes (structural formula is as shown in Figure 2 a) are dissolved in 0.8g butanol, and It is ultrasonically treated 5 minutes at room temperature.Then, by gained mixed liquor by hydrophily syringe membrane filtration, using rotary coating Method is uniformly coated in ITO electro-conductive glass substrate, and control rotation speed is 1000rpm and spin-coating time 10s, and it is thick to obtain 180nm Coated by high-molecular film, remaining FeCl is washed off with ethyl alcohol3The FTO being dried with nitrogen afterwards to get carried polymer overlay film (PR-Br) is led Electric glass is as working electrode.
2. the production of pair electrode:
2.1) TiO of commodity in use2Slurry (is purchased from Greatcell company, specification: TiO2Partial size 18nm).It will with ethyl alcohol The TiO of purchase2The suspension that pulp dilution is 20% at mass fraction.Using FTO electro-conductive glass as substrate, using rotary coating It is 1000rpm, spin-coating time 30s that method, which controls revolution, obtains the film with a thickness of 633nm, then makes annealing treatment at 500 DEG C 30min obtains TiO on electro-conductive glass2Substrate.It, can by (a) in Fig. 3 shown in (a) in its section electromicroscopic photograph such as Fig. 3 See, TiO2Film with a thickness of 633nm.
2.2) electro-deposition method is utilized, by PW12(structural formula is as shown in Figure 2 b) deposits to TiO2In substrate, obtain with a thickness of The PW of 640nm12-TiO2Composite membrane obtains load PW12-TiO2The FTO electro-conductive glass of composite membrane is used as to electrode.Institute's electricity consumption is heavy Product method is as follows: cyclic voltammetric method, parameter: sweeping speed is 100mV/s；PW12Concentration is 10mg/mL, and electro-deposition carries out 25 and follows Ring.Electro-deposition voltage range is -1.0~0.2V.
3. the assembling of device: as illustrated in figs. 1A and ib, by the work of the ITO electro-conductive glass (1) of carried polymer overlay film (2) Make electrode and load PW12-TiO2The FTO electro-conductive glass (5) of composite membrane (4) to electrode combination, utilize sarin film control two Interpolar distance is 100 microns, and injects ionic liquid 1-butyl-3-methyl imidazolium bis-trifluoromethylsulfoandimide salt as electrolyte (3), " sandwich " interlayer structure is formed.
(2) performance test
1, it is anode with working electrode, is cathode to electrode, applies (a) -2.0~1.0V at device both ends；(b) -2.0~ 1.3V；(c) -2.0~1.5V；(d) -2.0~1.8V；(e) voltage of -2.0~2.0V and keep a period of time, utilize simultaneously Ultraviolet absorption spectrum instrument tests transmitance variation at 580nm.Test result such as Fig. 4 a, by Fig. 4 a as it can be seen that being in voltage change (a)~(e) when, corresponding transmitance modulation amplitude is 36.6% (a)；51.1% (b)；58.5% (c)；64.9% (d)； 69.7% (e).
2, test results are shown in figure 5 for the full spectral transmittance under different voltages, as seen from Figure 5, penetrates at 580nm Rate variation is maximum up to 75%.
Embodiment 2
(1) preparation method
1. the production of working electrode:
Successively by 0.3g FeCl3·6H2O, 0.2g polyoxyethylene polyoxypropylene copolymer (molecular weight 2800g mol-1) and 0.05g3,4- (2 ', 2 '-two (bromomethyl) trimethylene base dioxy thiophenes (structural formula is as shown in Figure 2 a) are dissolved in 0.8g butanol, and It is ultrasonically treated 5 minutes at room temperature.Then, by gained mixed liquor by hydrophily syringe membrane filtration, using rotary coating Method is uniformly coated in ITO electro-conductive glass substrate, and control rotation speed is 1100rpm and spin-coating time 10s, and it is thick to obtain 175nm Coated by high-molecular film, remaining FeCl is washed off with ethyl alcohol3The ITO being dried with nitrogen afterwards to get carried polymer overlay film (PR-Br) is led Electric glass is as working electrode.
2. the production of pair electrode:
2.1) TiO of commodity in use2Slurry (is purchased from Greatcell company, specification: TiO2Partial size 18nm).It will with ethyl alcohol The TiO of purchase2The suspension that pulp dilution is 30% at mass fraction.Using FTO electro-conductive glass as substrate, using rotary coating It is 1000rpm, spin-coating time 30s that method, which controls revolution, obtains the film with a thickness of 845nm, then makes annealing treatment at 500 DEG C 30min obtains TiO on electro-conductive glass2Substrate.It, can by (b) in Fig. 3 shown in (b) in its section electromicroscopic photograph such as Fig. 3 See, obtains TiO2Substrate with a thickness of 845nm.
2.2) electro-deposition method is utilized, by PW12(structural formula is as shown in Figure 2 b) deposits to TiO2In substrate, obtain with a thickness of The PW of 855nm12-TiO2Composite membrane obtains load PW12-TiO2The FTO electro-conductive glass of composite membrane is used as to electrode.Institute's electricity consumption is heavy Product method is as follows: cyclic voltammetric method, parameter: sweeping speed is 100mV/s；PW12Concentration is 10mg/mL, and electro-deposition carries out 25 and follows Ring.Electro-deposition voltage range is -1.0~0.2V.
3. the assembling of device: as illustrated in figs. 1A and ib, by the work of the ITO electro-conductive glass (1) of carried polymer overlay film (2) Make electrode and load PW12-TiO2The FTO electro-conductive glass (5) of composite membrane (4) to electrode combination, utilize sarin film control two Interpolar distance is 100 microns, and injects ionic liquid 1-butyl-3-methyl imidazolium bis-trifluoromethylsulfoandimide salt as electrolyte (3), " sandwich " interlayer structure is formed.
(2) performance test
1, it is anode with working electrode, is cathode in device both ends application (a) -2.0~1.0V to electrode；(b) -2.0~ 1.3V；(c) -2.0~1.5V；(d) -2.0~1.8V；(e) voltage of -2.0~2.0V and keep a period of time, utilize simultaneously Ultraviolet absorption spectrum instrument tests transmitance variation at 580nm.Test result is shown in attached drawing 4b, from fig. 4b, it can be seen that in voltage change When for (a)~(e), corresponding transmitance modulation amplitude is 41.0% (a)；62.1% (b)；65.5% (c)；66.9% (d)； 69.1% (e).
2, using constant current process carry out charge-discharge test, charging and discharging currents be 0.2mA, voltage range be -1.8~+ Under conditions of 1.8V range, while the transmitance variation of device is tested, test results are shown in figure 6, as seen from Figure 6, charge and discharge Invertibity is good, and with the variation of transmitance, change rate > 70%.
Embodiment 3
(1) preparation method
1. the production of working electrode:
Successively by 0.3g FeCl3·6H2O, 0.2g polyoxyethylene polyoxypropylene copolymer (molecular weight 2800g mol-1) and 0.05g3,4- (2 ', 2 '-two (bromomethyl) trimethylene base dioxy thiophenes (structural formula is as shown in Figure 2 a) are dissolved in 0.8g butanol, and It is ultrasonically treated 5 minutes at room temperature.Then, by gained mixed liquor by hydrophily syringe membrane filtration, using rotary coating Method is uniformly coated in ITO electro-conductive glass substrate, and control rotation speed is 1400rpm and spin-coating time 10s, and it is thick to obtain 160nm Coated by high-molecular film.Remaining FeCl is washed off with ethyl alcohol3The ITO being dried with nitrogen afterwards to get carried polymer overlay film (PR-Br) is led Electric glass is as working electrode.
2. the preparation of pair electrode:
2.1) TiO of commodity in use2Slurry (is purchased from Greatcell company, specification: TiO2Partial size 18nm).It will with ethyl alcohol The TiO of purchase2The suspension that pulp dilution is 40% at mass fraction.Using FTO electro-conductive glass as substrate, using rotary coating It is 1000rpm, spin-coating time 30s that method, which controls revolution, obtains the film with a thickness of 1190nm, then makes annealing treatment at 500 DEG C 30min obtains TiO on electro-conductive glass2Substrate.It, can by (c) in Fig. 3 shown in (c) in its section electromicroscopic photograph such as Fig. 3 See, obtains TiO2Substrate with a thickness of 1190nm.
2.2) electro-deposition method is utilized, by PW12(structural formula is as shown in Figure 2 b) deposits to TiO2In substrate, obtain with a thickness of The PW of 1200nm12-TiO2Composite membrane obtains load PW12-TiO2The FTO electro-conductive glass of composite membrane is used as to electrode.Institute's electricity consumption is heavy Product method is as follows: cyclic voltammetric method, parameter: sweeping speed is 100mV/s；PW12Concentration is 10mg/mL, and electro-deposition carries out 25 and follows Ring.Electro-deposition voltage range is -1.0~0.2V.
3. the assembling of device: as illustrated in figs. 1A and ib, by the work of the ITO electro-conductive glass (1) of carried polymer overlay film (2) Make electrode and load PW12-TiO2The FTO electro-conductive glass (5) of composite membrane (4) to electrode combination, utilize sarin film control two Interpolar distance is 100 microns, and injects ionic liquid 1-butyl-3-methyl imidazolium bis-trifluoromethylsulfoandimide salt as electrolyte (3), " sandwich " interlayer structure is formed.
(2) performance test
1, it is anode with working electrode, is cathode to electrode, applies (a) -2.0~1.0V at device both ends；(b) -2.0~ 1.3V；(c) -2.0~1.5V；(d) -2.0~1.8V；(e) voltage of -2.0~2.0V and keep a period of time, utilize simultaneously Ultraviolet absorption spectrum instrument tests transmitance variation at 580nm.Test result such as Fig. 4 c, by Fig. 4 c as it can be seen that being in voltage change (a)~(e) when, corresponding transmitance modulation amplitude is 43.2% (a)；59.9% (b)；64.6% (c)；64.9% (d)； 67.1% (e).
2, its stability, test result such as Fig. 7 a institute are tested in the voltage of the reciprocal application -2.0V and 1.5V in device both ends Show, by Fig. 7 a as it can be seen that still keeping the state of initial optical contrast after 2500 circulations of experience.
3, Memorability test is carried out to device, test result is as shown in Figure 7b, by Fig. 7 b as it can be seen that reaching coloured state in device After remove applied voltage, coloring memory time (transmitance modulation range decaying 6%) faded memory time up to 3.65 hours (transmitance modulation range decaying 9%) was up to 2.35 hours.
4, to the stability test under the ultraviolet light of device, as a result as shown in Figure 7 c, by Fig. 7 c as it can be seen that in 8000mW/cm2 Ultraviolet light 60 hours after, the performance of device does not change.

Claims (9)

1. a kind of high-performance electrochromism capacitor double-function device, which is characterized in that the double function of the electrochromism capacitor Energy device is using the electro-conductive glass of carried polymer overlay film as working electrode, liquid ionic liquid as electrolyte, load PW12- TiO2The electro-conductive glass of composite membrane is as " sandwich " interlayer structure constituted to electrode；The coated by high-molecular film is containing electricity Cause the overlay film of electrochromic polymer；The ionic liquid is 1- butyl -3- methylimidazole bis-trifluoromethylsulfoandimide salt.
2. a kind of high-performance electrochromism capacitor double-function device according to claim 1, which is characterized in that described Electrochromic polymeric compounds are poly- (3,4- (2 ', 2 '-two (bromomethyl)) trimethylene base dioxy thiophene or poly- (3,4- (2 ', 2 '-two (first Oxygen methyl)) trimethylene base dioxy thiophene.
3. a kind of high-performance electrochromism capacitor double-function device according to claim 1, which is characterized in that described Coated by high-molecular film with a thickness of 150~180nm.
4. a kind of high-performance electrochromism capacitor double-function device according to claim 1, which is characterized in that work electricity Pole and to the distance between electrode be 90~110 microns.
5. a kind of high-performance electrochromism capacitor double-function device according to claim 1, which is characterized in that described PW12-TiO2Composite membrane with a thickness of 500nm~1500nm.
6. a kind of high-performance electrochromism capacitor double-function device according to claim 1, which is characterized in that described Electro-conductive glass is FTO electro-conductive glass or ITO electro-conductive glass.
7. a kind of preparation method of high-performance electrochromism capacitor double-function device described in claim 1, which is characterized in that Include the following steps:
1) production of working electrode: successively by FeCl3·6H2O, polyoxyethylene polyoxypropylene copolymer and electrochromic polymeric compounds It is dissolved in butanol, is ultrasonically treated 5~10min at room temperature, by gained mixed liquor by hydrophily syringe membrane filtration, so It being uniformly coated in electro-conductive glass substrate using method of spin coating afterwards, control rotation speed is 1000~1400rpm, spin coating 5~ 10s washes off remaining FeCl with ethyl alcohol3After be dried with nitrogen, obtain carried polymer overlay film electro-conductive glass as working electrode；
2) to the production of electrode: with ethyl alcohol by TiO2Pulp dilution is at suspension, using electro-conductive glass as substrate, is applied using rotation Cloth method controls 700~1000rpm of revolution, 25~35s of spin coating, 25~35min is then made annealing treatment at 500 DEG C, in conductive glass TiO is obtained on glass2Substrate；Using electro-deposition method, by PW12Deposit to TiO2In substrate, PW is obtained12-TiO2Composite membrane is born Carry PW12-TiO2The electro-conductive glass of composite membrane is used as to electrode；
3) assembling of device: by working electrode and to electrode combination, controlling distance between the two poles of the earth using sarin film, injection liquid from Sub- liquid constitutes " sandwich " interlayer structure as electrolyte.
8. a kind of preparation method of high-performance electrochromism capacitor double-function device according to claim 7, feature It is, the TiO2Slurry, TiO2Partial size is 18nm.
9. a kind of preparation method of high-performance electrochromism capacitor double-function device according to claim 7, feature It is, in step 2), the electro-deposition method are as follows: cyclic voltammetry, sweeping speed is 100mV/s；PW12Concentration is 10mg/mL, electricity Deposition carries out 25 circulations, and electro-deposition voltage range is -1.0~0.2V.
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CN111142301A (en) * 2020-02-14 2020-05-12 辽宁大学 High-performance electrochromic device and preparation method thereof
CN114675458A (en) * 2022-03-25 2022-06-28 辽宁大学 High-performance hydrogen bond organic framework material electrochromic device

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CN106587654A (en) * 2016-11-29 2017-04-26 辽宁大学 Vanadium-doped tungsten trioxide electrochromic thin film and preparation method thereof
CN108873537A (en) * 2018-06-25 2018-11-23 常州铱视光电科技有限公司 A kind of electrochomeric films, preparation method and application and electrochromic device

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CN105573002A (en) * 2014-10-09 2016-05-11 中国科学院宁波材料技术与工程研究所 Display member with information storage function and preparation method for same
CN106587654A (en) * 2016-11-29 2017-04-26 辽宁大学 Vanadium-doped tungsten trioxide electrochromic thin film and preparation method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111142301A (en) * 2020-02-14 2020-05-12 辽宁大学 High-performance electrochromic device and preparation method thereof
CN111142301B (en) * 2020-02-14 2022-10-14 辽宁大学 High-performance electrochromic device and preparation method thereof
CN114675458A (en) * 2022-03-25 2022-06-28 辽宁大学 High-performance hydrogen bond organic framework material electrochromic device

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