CN205133787U - Organic perovskite thin film preparation facilities - Google Patents
Organic perovskite thin film preparation facilities Download PDFInfo
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- CN205133787U CN205133787U CN201520877812.4U CN201520877812U CN205133787U CN 205133787 U CN205133787 U CN 205133787U CN 201520877812 U CN201520877812 U CN 201520877812U CN 205133787 U CN205133787 U CN 205133787U
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- electrode
- electrostatic
- thin film
- film preparation
- lower electrode
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Abstract
The utility model discloses an organic perovskite thin film preparation facilities, including heating platform, static electrode and electrostatic generator, static electrode package draws together electrode and bottom electrode, and it is dull and stereotyped to be the metal, and the parallel placement is gone up the electrode and is kept insulating with the bottom electrode, when apply voltage between last electrode and bottom electrode, form even electrostatic field among them, electrostatic generating device is connected with last electrode and bottom electrode, for its provide voltage. The beneficial effects of the utility model are that: 1 )The preparation process is simple, and required equipment is easily operated, simple structure, and the organic perovskite thin film crystal quality who prepares out is high, the surfacing. 2 )In the film solidification crystallization stage, apply the electrostatic field, compatible with current film preparation technique, the technique is promoted easily, need not the extensive current film preparation technique that changes. Consequently, this film preparation technique has potential spreading value in organic solar battery preparation field.
Description
Technical field
The utility model belongs to film preparation device, more particularly, relates to a kind of organic calcium titanium ore film preparation device.
Background technology
Organic calcium titanium ore thin film solar cell because it is efficient, prepare the advantage such as simple and become research emphasis, and progressively towards practical development.And organic perovskite thin film (CH
3nH
3pbI
3) as the light absorbing zone of such solar cell, the performance of the whole battery of good bad influence of its film quality.But also there is many problems in the type organic photovoltaic cell in development, such as thin film crystallization quality, profile pattern, film chemical stability, and improve photoelectric transformation efficiency etc.The main method of the organic perovskite thin film of current raising is in membrane-film preparation process, be added with chemical machine modifier, such as add in organic calcium titanium ore precursor liquid and help film, as ammonio methacrylate (CH3NH3Cl), poly-di-alcohol (Polyethyleneglycol) etc.Although this method effectively can improve organic calcium titanium ore film quality, improve film coverage, and then improve efficiency of solar cell.But adopt the method for adding chemical modifier to increase cost, while method is single, promotes limited efficiency to efficiency of solar cell.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of rational in infrastructure, promote organic calcium titanium ore film preparation device and the method for quality.
This organic calcium titanium ore film preparation device, comprises heating platform, electrostatic attraction electrode and electrostatic power unit; Described electrostatic attraction electrode comprises top electrode and lower electrode, and is metal plate, parallel placement, and top electrode and lower electrode keep insulating; When applying voltage between the upper and lower electrodes, form UNIFORM ELECTROSTATIC FIELD therebetween; Described electrostatic power unit is connected with top electrode and lower electrode, for it provides voltage.
As preferably: described lower electrode is close to heating platform surface, and sample is placed on lower electrode surface, heating platform controls Heating temperature, and electrostatic power unit and top electrode and lower electrode spacing regulate electrostatic field intensity jointly.
The beneficial effects of the utility model are:
1) preparation process is simple, and required equipment is easy to operate, structure is simple, and the organic calcium titanium ore thin film crystallization quality prepared is high, surfacing.
2) at film hardening crystallisation stage, apply electrostatic field, compatible with existing film preparing technology, technology popularization is easy, without the need to changing existing film preparing technology on a large scale.Therefore, this film preparing technology has potential promotional value in organic photovoltaic cell preparation field.
Accompanying drawing explanation
Fig. 1 is the electrostatic field that relates to of the utility model and heating unit structural representation;
Fig. 2 is the fluorescence data that in the utility model specific embodiment, different electrostatic field intensity prepares film;
Fig. 3 is the relation in the utility model specific embodiment between film fluorescence intensity and applying electrostatic field intensity;
Description of reference numerals: heating platform 1, top electrode 21, lower electrode 22, electrostatic power unit 3.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.Although the utility model will be described in conjunction with preferred embodiment, should know, not represent the utility model restriction in the described embodiment.On the contrary, the utility model will contain can be included in attached claims limit scope of the present utility model in alternative, modified version and equivalent.
Operating process of the present utility model is as follows:
1) preparation of organic perovskite thin film:
Organic perovskite thin film adopts spin coating method, and organic calcium titanium ore precursor liquid is spin-coated on substrate surface.First by silicon to 60 ~ 80 DEG C, then spin coating instrument is transferred to rapidly.Spin coating rotating speed is 1500 ~ 2000rpm, and spin-coating time is 15 ~ 25s.Surperficial spin coating there is the substrate of organic calcium titanium ore precursor liquid to be transferred to heating platform rapidly, carry out next step annealing solidification crystallization.
2) added electrostatic field is utilized to regulate and control at organic calcium titanium ore crystallization of thin films:
The substrate of spin coating organic calcium titanium ore precursor liquid is placed in external electric field device and carries out annealing solidification treatment.External electric field bringing device has heated substrate and the function applying electrostatic field in vertical thin-film surface direction.Control substrate heating temperature 70 ~ 100 DEG C, regulate substrate surface electrostatic field intensity 0 ~ 5000V/cm, control heat-up time at 15 ~ 45 minutes.After heating, substrate is taken out, naturally cools to room temperature, namely obtain organic perovskite thin film.
The effect relating to electrostatic equipment in the utility model applies static electric field at substrate surface, comprises heating platform 1, electrostatic attraction electrode, and electrostatic power unit 3.Described electrostatic attraction electrode comprises top electrode 21 and lower electrode 22.Electrostatic power unit 3 is connected with top electrode 21 and lower electrode 22, between top electrode 21 and lower electrode 22, form uniform electrostatic field.
Top electrode 21 and lower electrode 22 keep insulating, and its spacing can regulate, and forms UNIFORM ELECTROSTATIC FIELD between electrodes.
Lower electrode 22 is close to heating platform 1, also can directly using heating platform 1 surface as lower electrode 22.Sample is placed on lower electrode 22 surface, carries out heat treated and apply electrostatic field.
Embodiment 1:
Get 3mlN, dinethylformamide (DMF) solution, adds 0.463gPbCl
2, be heated to 70 DEG C, stir 2 hours under nitrogen atmosphere.Add 1.426g methylpyridinium iodide amine (CH
3nH
3i), continue stirring 24 hours, finally being formed with DMF is the CH of substrate
3nH
3pbI
3precursor liquid.
By each ultrasonic cleaning 10 minutes in tetracol phenixin, acetone, alcohol, deionized water of FTO substrate, dry up with nitrogen, then dry in an oven.Before spin coating precursor liquid, now FTO substrate is heated 5 minutes at 60 DEG C, be then transferred in spin coating instrument.Spin-coating method is adopted to prepare organic perovskite thin film, spin speed 2000rpm, spin-coating time 20s.After spin coating terminates, form the organic calcium titanium ore thin film layer of the uncured crystallization of one deck at substrate surface.
Setting heating platen temperature, makes lower electrode 22 surface temperature be 70 DEG C.The substrate of spin coating organic calcium titanium ore precursor liquid is placed on lower electrode 22 surface, then applies electrostatic field, make substrate be in the solidification of UNIFORM ELECTROSTATIC FIELD ambient anneal.Annealing set time be 30 minutes, finally obtain organic perovskite thin film.Electrostatic field intensity, from 0V/cm to 4000V/cm, by measuring the fluorescence spectrum of organic perovskite thin film, finds that electrostatic field can effective thin film crystallization quality, the radiation recombination efficiency of current carrier and life-span in raising film, as shown in Figure 2.When electrostatic field intensity is at 1000 ~ 3000V/cm, effect is best, and continuing increases field intensity, and fluorescence efficiency reduces rapidly, as shown in Figure 3.
Principle of the present utility model is: be spin-coated on substrate by organic calcium titanium ore precursor liquid, extra electric field is applied at substrate surface at solidification crystallisation stage, utilize electrostatic field to regulate and control the Gibbs free energy of crystal solid liquid phase, and then improve the crystalline quality of organic perovskite thin film.Physical method is utilized to regulate and control thin film crystallization quality, grain size, and its photoelectric property.In the thin film crystallization stage, added electrostatic field can change the viscosity factor of its Gibbs free energy and solvent, slows down crystallization rate, increases grain-size, improves thin film crystallization quality and improves surface topography.
Claims (2)
1. an organic calcium titanium ore film preparation device, is characterized in that: comprise heating platform (1), electrostatic attraction electrode and electrostatic power unit (3); Described electrostatic attraction electrode comprises top electrode (21) and lower electrode (22), and is metal plate, parallel placement, and top electrode (21) and lower electrode (22) keep insulating; When applying voltage between top electrode (21) and lower electrode (22), form UNIFORM ELECTROSTATIC FIELD therebetween; Described electrostatic power unit (3) is connected with top electrode (21) and lower electrode (22), for it provides voltage.
2. organic calcium titanium ore film preparation device according to claim 1, it is characterized in that: described lower electrode (22) is close to heating platform (1) surface, sample is placed on lower electrode (22) surface, heating platform (1) controls Heating temperature, and electrostatic power unit (3) regulates electrostatic field intensity jointly with top electrode (21) and lower electrode (22) spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877812.4U CN205133787U (en) | 2015-11-05 | 2015-11-05 | Organic perovskite thin film preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877812.4U CN205133787U (en) | 2015-11-05 | 2015-11-05 | Organic perovskite thin film preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205133787U true CN205133787U (en) | 2016-04-06 |
Family
ID=55619595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520877812.4U Expired - Fee Related CN205133787U (en) | 2015-11-05 | 2015-11-05 | Organic perovskite thin film preparation facilities |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256374A (en) * | 2015-11-05 | 2016-01-20 | 浙江大学城市学院 | Device and method for preparing organic perovskite thin film |
| CN108511610A (en) * | 2018-03-21 | 2018-09-07 | 南京大学昆山创新研究院 | A kind of spraying perovskite preparation method of solar battery and device entirely |
| CN109501096A (en) * | 2018-12-06 | 2019-03-22 | 佛山科学技术学院 | Continuously spray film device in a kind of novel electrostatic centrifugal compound field |
-
2015
- 2015-11-05 CN CN201520877812.4U patent/CN205133787U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256374A (en) * | 2015-11-05 | 2016-01-20 | 浙江大学城市学院 | Device and method for preparing organic perovskite thin film |
| CN105256374B (en) * | 2015-11-05 | 2017-11-28 | 浙江大学城市学院 | A kind of method that organic perovskite film preparation device prepares CH3NH3PbI3 films |
| CN108511610A (en) * | 2018-03-21 | 2018-09-07 | 南京大学昆山创新研究院 | A kind of spraying perovskite preparation method of solar battery and device entirely |
| CN109501096A (en) * | 2018-12-06 | 2019-03-22 | 佛山科学技术学院 | Continuously spray film device in a kind of novel electrostatic centrifugal compound field |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |