CN203820886U - Efficient reel-to-reel preparation device for cadmium sulfide film - Google Patents
Efficient reel-to-reel preparation device for cadmium sulfide film Download PDFInfo
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- CN203820886U CN203820886U CN201420122589.8U CN201420122589U CN203820886U CN 203820886 U CN203820886 U CN 203820886U CN 201420122589 U CN201420122589 U CN 201420122589U CN 203820886 U CN203820886 U CN 203820886U
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- substrate
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- reel
- cadmium sulphide
- drying unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to an efficient reel-to-reel preparation device for a cadmium sulfide film. The efficient reel-to-reel preparation device comprises a conveying mechanism for conveying a flexible substrate in a spreading way, a deposition tank for carrying out deposition reaction, a solution heating circulating mechanism connected with the deposition tank, a roller scrubbing mechanism for scrubbing the substrate and a drying device for drying the substrate, wherein the deposition tank, the roller scrubbing mechanism and the drying device are sequentially arranged along the conveying direction of the substrate. The efficient reel-to-reel preparation device has the advantages of simple structure and continuous and mass production and belongs to the technical field of thin-film solar cell manufacturing processes.
Description
Technical field
The utility model relates to thin-film solar cells manufacturing process, specifically, relates to the preparation facilities that a kind of volume to volume is prepared the Cadmium Sulfide buffer layer thin film of flexible copper indium gallium selenide thin-film solar cell.
Background technology
Copper-indium-galliun-selenium (CIGS) thin-film solar cells, because have high conversion efficiency and low material manufacture cost and other advantages, is therefore regarded as following one of the thin-film solar cells kind of development potentiality that has most.CIGS thin-film solar cells is a kind of hull cell of laminate structure, generally by substrate, back electrode, CIGS absorption layer, buffer layer, oxidic, transparent, conductive layers and front metal electrode etc., partly formed, thereby wherein the effect of buffer layer is to form the separated photo-generated carrier of P-N knot for the CIGS absorption layer with P type.At present, buffer layer has CdS, ZnS, and the materials such as Zn (O, S, OH), but also in performance, can not surpass the buffer layer that CdS is.And research show, mix Cd the raising of solar cell properties played to vital effect.
The method of CdS film preparation is varied, as: CBD, vacuum-evaporation, molecular beam epitaxy, near space distillation, plating, spray pyrolysis, sputter etc.Up to now, the solar battery efficiency of making based on CBD-CdS method is the highest, and equipment requirements is simple, unlike methods such as vacuum-evaporation, molecular beam epitaxy, sputters, needs expensive vacuum apparatus.
Because copper-indium-galliun-selenium film solar cell is to be formed by stacking by multilayer film, the preparation method of every thin film may be different; The method of preparing simple layer film, even step is also not quite similar, and easily causes discontinuous in production technique.If the substrate flexible substrate of using, has strengthened the difficulty of preparation.The production model of the single bulk of tradition restricts the needs of industrialization all the time.Thereby the production that will realize extensive, high-level efficiency, serialization is the challenge facing at present.
Utility model content
For the Cadmium Sulfide buffer layer thin film of preparing existing in prior art, produce the technical problems such as discontinuous, step is discontinuous, efficiency is low, the purpose of this utility model is: provide the volume to volume of a kind of high-quality, high-level efficiency, serialization, low cost, industrialization pattern efficiently to prepare the device of cadmium sulphide membrane.
In order to achieve the above object, the utility model adopts following technical scheme:
A kind of volume to volume is efficiently prepared the device of cadmium sulphide membrane, comprise: the transfer mechanism that the tiling of flexible substrate is carried, the sediment box that carries out deposition reaction, the solution heating cycle mechanism of joining with sediment box, scrub the cylinder of substrate and scrub mechanism, dry the drying unit of substrate; Described sediment box, cylinder are scrubbed mechanism and drying unit and are set gradually along the throughput direction of substrate.
Transfer mechanism comprises: be positioned at reel substrate transfer route head end and tail end, that substrate is wound around to rolling, be arranged in a plurality of deflector rolls of throughput direction substrate transfer route, guiding substrate, a plurality of adjustment rollers by substrate orientation in sediment box and drying unit.
In sediment box, be evenly distributed with several ultrasonic oscillation devices.
Solution heating cycle mechanism comprises: the first flow controller joining successively, water pump, T-valve, blending bin, sinuous coil interchanger, insulating container, second amount controller; First flow controller and second amount controller join with sediment box respectively; The other end of T-valve passes into solution.
The front of substrate is cadmium sulphide membrane, and cylinder is scrubbed mechanism and contacted with the back side of substrate.
The rear and front end of drying unit is respectively provided with one and adjusts roller, and substrate is through drying unit.
Volume to volume is efficiently prepared a method for cadmium sulphide membrane, uses a kind of volume to volume efficiently to prepare the device of cadmium sulphide membrane, comprises the steps: that a. substrate launches: the substrate of rolling is launched by transfer mechanism; B. solution allocation: for the configuration of the solution of deposition reaction; C. solution heating: solution is by solution heating cycle mechanism heats; D. reactive deposition: solution injects sediment box, and Uniform Flow on substrate, grows cadmium sulphide membrane in the front of substrate; E. the conveying of substrate: substrate moves to matting from reactive deposition operation; F. the cleaning of substrate: the back side to substrate is cleaned, obtains clean substrate; G. the conveying of clean substrate: by clean substrate transfer to baking operation; H. skin drying: dry the moisture on substrate two sides by drying unit, solidified surface; I. substrate is packed up: substrate is wound around to rolling.
In step a, the substrate of expansion is placed in sediment box simultaneously, cylinder is scrubbed mechanism and drying unit.
In step c, the temperature of heating is 60-90 ℃; In steps d, the reaction times is 8-30min.
Steps d is carried out continuously to i.
Generally speaking, the utlity model has following advantage:
(1) the utility model is simple in structure, guaranteed high-quality Cadmium Sulfide buffer layer thin film in the situation that, has realized the processing of serialization, mass-producing, has made up the step of prior art or the problem that technique disconnects.Effectively enhance productivity, the film quality of preparation is even.
(2) the utility model can be connected the volume to volume device of preparing every thin film, the situation of this multilayer film structure of especially similar CIGS solar cell, the magnetic control sputtering device that comprises volume to volume, the vacuum-evaporator unit of volume to volume and the antivacuum spin coating device of volume to volume etc.
(3) the utility model utilizes the method for flexible substrate reel; work in-process can be installed on the required volume to volume device of all the other films of preparation; just as changing " film ", and then the production of the continuous and mass-producing of performing step or technique, for scale operation provides condition.Changed and needed the rectangular flexible substrate of large stretch of web-like to carry out the situation that cutting requires to meet next process unit in the past.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of volume to volume is efficiently prepared the device of cadmium sulphide membrane.
Wherein, 11 and 14 is reels, the 12nd, and deflector roll, the 13rd, adjust roller, the 21st, sediment box, the 22nd, ultrasonic oscillation device, the 31st, first flow controller, the 32nd, water pump, the 33rd, T-valve, the 34th, blending bin, the 35th, sinuous coil interchanger, the 36th, insulating container, the 37th, second amount controller, the 4th, cylinder is scrubbed mechanism, and the 5th, drying unit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Shown in Fig. 1, a kind of volume to volume is efficiently prepared the device of cadmium sulphide membrane, comprising: the transfer mechanism that flexible substrate tiling is carried, carry out the sediment box of deposition reaction, with the solution heating cycle mechanism that sediment box joins, scrub the cylinder of substrate and scrub mechanism, dry the drying unit of substrate; Sediment box, cylinder are scrubbed mechanism and drying unit and are set gradually along the throughput direction of substrate.
Transfer mechanism comprises: be positioned at reel substrate transfer route head end and tail end, that substrate is wound around to rolling, be arranged in a plurality of deflector rolls of throughput direction substrate transfer route, guiding substrate, a plurality of adjustment rollers by substrate orientation in sediment box and drying unit.Adjust roller and arrange in pairs, a pair of adjustment roller is positioned at the rear and front end of sediment box, substrate tiling is strained in sediment box, thereby the front of substrate contacts with the solution in sediment box; A pair of adjustment roller is positioned at the rear and front end of drying unit, and substrate tiling tension is realized to two-sided oven dry in drying unit.
In sediment box, be evenly distributed with several ultrasonic oscillation devices, solution is carried out to ultrasonic oscillation, in the front of substrate, (in figure face) downward generates cadmium sulphide membrane.
Solution heating cycle mechanism comprises: the first flow controller joining successively, water pump, T-valve, blending bin, sinuous coil interchanger, insulating container, second amount controller; First flow controller and second amount controller join with sediment box respectively; The other end of T-valve passes into the solution preparing.
The front of substrate is cadmium sulphide membrane, and cylinder is scrubbed mechanism and contacted with the back side of substrate, scrubs non-deposition surface, is the upper surface of substrate in figure.Cylinder can arrange one, two or more.The material that cylinder is scrubbed is rubber or plastics.
The rear and front end of drying unit is respectively provided with one and adjusts roller, and substrate is through drying unit, and drying unit is dried the tow sides of substrate.
Volume to volume is efficiently prepared a method for cadmium sulphide membrane, uses a kind of volume to volume efficiently to prepare the device of cadmium sulphide membrane, specifically comprises following step:
(1) web substrate is launched: flexible substrate is placed on transfer mechanism;
(2) solution preparation: cadmium acetate, thiocarbamide, cadmium acetate, ammonium acetate, ammoniacal liquor, deionized water are mixed and made into reaction soln by a certain percentage, are then loaded in blending bin.
(3) solution heating: solution enters sinuous coil interchanger and is heated to 70 ℃, then flow in insulating container;
(4) reactive deposition: with water pump, solution is input in sediment box, controls first, second flow director adjust flux at two ends, control the frequency of ultrasonic oscillation device, solution is flowed uniformly on substrate, grow high-quality cadmium sulphide membrane; Reaction times is 10min;
(5) Cadmium Sulfide flexible substrate travels forward: transfer mechanism moves to next operation by one section of substrate of deposition Cadmium Sulfide;
(6) cleaning of non-deposition surface: with impurity or the dirt of the non-deposition surface of several drum cleanings;
(7) clean flexible substrate travels forward: transfer mechanism moves to next operation by clean substrate;
(8) skin drying: dry the moisture content on two sides with drying unit, solidified surface;
(9) web substrate is packed up: the flexible substrate preparing is rolled, and standby.
Above-mentioned whole process (comprising deposition process, cleaning process and drying course) is carried out continuously, midway free of discontinuities.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. volume to volume is efficiently prepared a device for cadmium sulphide membrane, it is characterized in that: comprising:
-by the transfer mechanism of flexible substrate tiling conveying,
-carry out the sediment box of deposition reaction,
-solution heating cycle the mechanism of joining with sediment box,
-the cylinder of scrubbing substrate is scrubbed mechanism,
The drying unit of-oven dry substrate;
Described sediment box, cylinder are scrubbed mechanism and drying unit and are set gradually along the throughput direction of substrate.
2. according to a kind of volume to volume claimed in claim 1, efficiently prepare the device of cadmium sulphide membrane, it is characterized in that: described transfer mechanism comprises:
-be positioned at reel substrate transfer route head end and tail end, that substrate is wound around to rolling,
-be arranged in a plurality of deflector rolls of throughput direction substrate transfer route, guiding substrate,
-a plurality of adjustment rollers by substrate orientation in sediment box and drying unit.
3. according to a kind of volume to volume claimed in claim 1, efficiently prepare the device of cadmium sulphide membrane, it is characterized in that: in described sediment box, be evenly distributed with several ultrasonic oscillation devices.
4. according to a kind of volume to volume claimed in claim 1, efficiently prepare the device of cadmium sulphide membrane, it is characterized in that: described solution heating cycle mechanism comprises: the first flow controller joining successively, water pump, T-valve, blending bin, sinuous coil interchanger, insulating container, second amount controller; First flow controller and second amount controller join with sediment box respectively; The other end of T-valve passes into solution.
5. according to a kind of volume to volume claimed in claim 1, efficiently prepare the device of cadmium sulphide membrane, it is characterized in that: the front of described substrate is cadmium sulphide membrane, cylinder is scrubbed mechanism and is contacted with the back side of substrate.
6. according to a kind of volume to volume claimed in claim 2, efficiently prepare the device of cadmium sulphide membrane, it is characterized in that: the rear and front end of described drying unit is respectively provided with one and adjusts roller, and substrate is through drying unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122589.8U CN203820886U (en) | 2014-03-18 | 2014-03-18 | Efficient reel-to-reel preparation device for cadmium sulfide film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420122589.8U CN203820886U (en) | 2014-03-18 | 2014-03-18 | Efficient reel-to-reel preparation device for cadmium sulfide film |
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| CN203820886U true CN203820886U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420122589.8U Expired - Fee Related CN203820886U (en) | 2014-03-18 | 2014-03-18 | Efficient reel-to-reel preparation device for cadmium sulfide film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898479A (en) * | 2014-03-18 | 2014-07-02 | 华南理工大学 | Device and method for efficient roll-to-roll preparation of cadmium sulfide thin film |
| CN108866515A (en) * | 2018-06-25 | 2018-11-23 | 成都中建材光电材料有限公司 | A kind of deposition doper of absorbing layer of thin film solar cell |
-
2014
- 2014-03-18 CN CN201420122589.8U patent/CN203820886U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898479A (en) * | 2014-03-18 | 2014-07-02 | 华南理工大学 | Device and method for efficient roll-to-roll preparation of cadmium sulfide thin film |
| CN108866515A (en) * | 2018-06-25 | 2018-11-23 | 成都中建材光电材料有限公司 | A kind of deposition doper of absorbing layer of thin film solar cell |
| CN108866515B (en) * | 2018-06-25 | 2021-04-06 | 成都中建材光电材料有限公司 | Deposition doping device for thin-film solar cell absorption layer |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170318 |