阅读说明：本技术 一种由黄到绿快速响应电致变色薄膜的制备方法及应用 (A kind of preparation method and application by Huang to green quick response electrochomeric films ) 是由 赵九蓬 李鑫 张翔 李垚 于 2019-09-04 设计创作，主要内容包括：一种由黄到绿快速响应电致变色薄膜的制备方法及应用,它涉及一种电致变色薄膜的制备方法及应用。本发明的目的是要解决氧化钨电致变色材料在着色态时为深蓝色,褪色态时为透明,颜色体系不丰富和由其组装的电致变色器件颜色体系不丰富,限制了电致变色器件应用的问题。由黄到绿快速响应电致变色薄膜的制备方法：一、对多孔膜基底进行溅射打磨；二、制备镀金多孔膜；三、沉积电致变色薄膜。一种由黄到绿快速响应电致变色薄膜用于组装电致变色器件。利用氧化钨薄膜或氧化钼薄膜的变色效果复合黄色背底,通过复合显色原理实现黄色绿色的转变,相比有机物电致变色材料,可实现稳定性高,耐紫外辐照,工艺简单。本发明适用于制备电致变色器件。(A kind of preparation method and application by Huang to green quick response electrochomeric films, it is related to a kind of preparation method and application of electrochomeric films.The invention aims to solve tungsten oxide electrochromic material in coloured state as navy blue, when colour fading state is transparent, the problem of colour system is not abundant and is not enriched by its electrochromic device colour system assembled, is limited electrochromic device application.By the yellow preparation method to green quick response electrochomeric films: one, carrying out sputtering polishing to porous membrane substrate；Two, gold-plated perforated membrane is prepared；Three, electrochomeric films are deposited.One kind being used for assembling electrochromic device to green quick response electrochomeric films by yellow.Using the compound yellow back end of the color changeable effect of tungsten oxide film or Electrochromic Molybdenum Oxide Coatings, the transformation of yellow green is realized by compound colour developing principle, compared to organic matter electrochromic material, it can be achieved that stability is high, resistance to ultraviolet irradiation, simple process.The present invention is suitable for preparing electrochromic device.)

1. a kind of by the yellow preparation method to green quick response electrochomeric films, it is characterised in that a kind of by Huang to green quick sound The preparation method of electrochomeric films is answered to be completed by the following steps:

One, sputtering polishing is carried out to porous membrane substrate using ion sputtering instrument, the porous membrane substrate that obtains that treated；

Two, gold-plated perforated membrane is prepared:

Will treated that porous membrane substrate is placed in Pvd equipment, then deposit gold in porous membrane substrate after treatment Film obtains gold-plated perforated membrane；

Three, electrochomeric films are deposited:

Gold-plated perforated membrane is placed in Pvd equipment, then deposits electrochomeric films on gold-plated perforated membrane, is obtained By yellow to green quick response electrochomeric films.

2. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists In porous membrane substrate described in step 1 be Nylon 66 Membrane, PET film or PDMS film.

3. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists It is 10 times~20 times in the number of sputtering polishing described in step 1, the time of sputtering polishing is 2min~4min every time；It splashes The voltage for penetrating polishing is 200V~1000V.

4. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists Golden film described in step 2 with a thickness of 20nm~400nm.

5. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists Pvd equipment described in step 2 is magnetic control sputtering device or electron beam evaporation instrument.

6. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists Electrochomeric films described in step 3 with a thickness of 50nm~1000nm.

7. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists Pvd equipment described in step 3 is magnetic control sputtering device or electron beam evaporation instrument.

8. according to claim 1 a kind of by the yellow preparation method to green quick response electrochomeric films, feature exists Electrochomeric films described in step 3 are tungsten oxide film or Electrochromic Molybdenum Oxide Coatings.

9. as described in claim 1 a kind of by the yellow application to green quick response electrochomeric films, it is characterised in that a kind of Assembling electrochromic device is used for green quick response electrochomeric films by yellow.

10. according to claim 9 a kind of by the yellow application to green quick response electrochomeric films, it is characterised in that one Kind is completed by the following steps to green quick response electrochomeric films for assembling electrochromic device by yellow:

One, electrolyte is prepared:

Lithium salts is dissolved into propene carbonate, electrolyte is obtained；

Two, optically variable films colours:

Using Ag electrode as reference electrode, with Pt electrode be to electrode, using by Huang to green quick response electrochomeric films as work Electrode is immersed in electrolyte respectively by reference electrode, to electrode and working electrode, and connect with electrochemical workstation, then- Coloring treatment under 0.5V~-5V, the electrochomeric films after being coloured；

Three, electrolyte is coated:

Electrochomeric films after taking two panels to colour, the uncolored face of the electrochomeric films after two panels is coloured are disposed adjacent, It is thin in the uncolored face coating electrolyte of electrochomeric films after wherein a piece of coloring or the electrochromism after two panels coloring again The uncolored face of film is coated with electrolyte；

Four, the encapsulation of device:

Two panels PE film is covered each by the depositional plane of the electrochomeric films after two panels coloring first, then by two panels PET film It is covered each by two panels PE film, then the packaging by hot pressing at 150 DEG C~200 DEG C, finally takes two panels PET film off, obtain electroluminescent change Color device.

11. according to claim 10 using by Huang to green quick response electrochomeric films assembling electrochromic device Method, it is characterised in that lithium salts described in step 1 is LiClO₄Or LiPF₆。

12. according to claim 10 using by Huang to green quick response electrochomeric films assembling electrochromic device Method, it is characterised in that the concentration of lithium salts is 0.1mol/L~2mol/L in electrolyte described in step 1.

13. according to claim 10 using by Huang to green quick response electrochomeric films assembling electrochromic device Method, it is characterised in that the coloring treatment time described in step 2 is 1s~200s.

Technical field

The present invention relates to a kind of preparation method and applications of electrochomeric films.

Background technique

Electrochromism refers to that under the action of outer making alive, reversible change occurs for the valence state and chemical constituent of material, so that The emission characteristics of material shows as the reversible change of material color and transparency there is a phenomenon where being reversibly changed in appearance.Tool There is the material of electrochromism phenomenon to be known as electrochromic material.

Electrochromic material includes section transitions metal oxide such as nickel oxide, tungsten oxide, tantalum oxide etc. and Organic Electricity Cause off-color material such as polyaniline, polythiophene, purple sieve essence etc..The electrochromism Electrochromic device being assembled by electrochromic material is Have and be widely applied, such as electrochromism Energy Saving Windows, anti-dazzle driving mirror, aircraft windows.And pretends, has in space flight etc. Very big application potential.

Usual tungsten oxide electrochromic material is navy blue in coloured state, when colour fading state be it is transparent, colour system is not rich Richness, therefore, the electrochromic device colour system assembled by tungsten oxide electrochromic material are not enriched, and electrochromism device is limited The application range of part.

Summary of the invention

The invention aims to solve tungsten oxide electrochromic material in coloured state as navy blue, when colour fading state, is Bright, colour system is not abundant and is not enriched by its electrochromic device colour system assembled, limits electrochromic device and answers With the problem of, and provide a kind of by the yellow preparation method and application to green quick response electrochomeric films.

A kind of preparation method by Huang to green quick response electrochomeric films, is completed by the following steps:

One, sputtering polishing is carried out to porous membrane substrate using ion sputtering instrument, the porous membrane substrate that obtains that treated；

Two, gold-plated perforated membrane is prepared:

Will treated that porous membrane substrate is placed in Pvd equipment, then sink in porous membrane substrate after treatment Product golden film, obtains gold-plated perforated membrane；

Three, electrochomeric films are deposited:

Gold-plated perforated membrane is placed in Pvd equipment, then deposits electrochomeric films on gold-plated perforated membrane, It obtains by yellow to green quick response electrochomeric films.

One kind being used for assembling electrochromic device to green quick response electrochomeric films by yellow.

The principle of the present invention and advantage:

One, the present invention is navy blue in coloured state using tungsten oxide film or Electrochromic Molybdenum Oxide Coatings, and when colour fading state is transparent Characteristic realize the transformation of yellow to green, utilize the color changeable effect of tungsten oxide film or Electrochromic Molybdenum Oxide Coatings compound yellow back The transformation of yellow green is realized at bottom by compound colour developing principle, compared to organic matter electrochromic material, it can be achieved that stability is high, Resistance to ultraviolet irradiation, simple process have important application in display field；

Two, prepared by the present invention by the yellow coloration time to green quick response electrochomeric films is 1s~2s, when colour fading Between be 0.9s~2.82s；

Three, the coloration time of electrochromic device prepared by the present invention is 1s~2.2s, and fading time is 1s~3s.

The present invention is suitable for preparing electrochromic device.

Detailed description of the invention

Fig. 1 is the SEM figure of Nylon 66 Membrane in one step 1 of embodiment；

Fig. 2 is the SEM figure for the gold-plated perforated membrane that one step 2 of embodiment obtains；

Fig. 3 is that the SEM by Huang to green quick response electrochomeric films that one step 3 of embodiment obtains schemes；

Fig. 4 is digital photograph figure when electrochromic device prepared by embodiment two colours；

Fig. 5 is digital photograph figure when electrochromic device prepared by embodiment two fades；

Fig. 6 is the integrating sphere reflectance spectrum figure of the visible near-infrared wave band of electrochromic device prepared by embodiment two, figure In 1 for coloring curve, 2 be fade curves.

Specific embodiment