CN105113014A - Monocrystalline silicon wafer texturization liquid capable of removing peculiar smells and preparation method thereof - Google Patents
Monocrystalline silicon wafer texturization liquid capable of removing peculiar smells and preparation method thereof Download PDFInfo
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- CN105113014A CN105113014A CN201510515171.2A CN201510515171A CN105113014A CN 105113014 A CN105113014 A CN 105113014A CN 201510515171 A CN201510515171 A CN 201510515171A CN 105113014 A CN105113014 A CN 105113014A
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Abstract
The invention discloses monocrystalline silicon wafer texturization liquid capable of removing peculiar smells. The texturization liquid comprises, by weight, 0.5-1 part of sodium hydroxide, 3-5 parts of auxiliaries, 0.3-0.5 part of menthol, 0.3-0.5 part of triethanolamine borate, 0.3-0.5 part of lauryl sodium sulfate, 0.2-0.4 part of SLAA, 1-2 parts of water-soluble wool fat, 3-5 parts of sorbitol and 80-100 parts of water. The texturization liquid effectively improves the consistency and repeatability of a texturization technology and improves texturized surface density, so that solar cell efficiency is improved, and product quality is improved; the texturization liquid does not contain IPA, so that environmental protection and human health are facilitated, and safety and environmental friendliness are achieved; the texturization liquid has a good peculiar smell removing effect, so that improvement on the working environment is facilitated.
Description
Technical field
The present invention relates to silicon wafer wool making technology, be specifically related to one and eliminate the unusual smell wool making solution for monocrystalline silicon pieces and preparation method thereof.
Background technology
Along with energy dilemma is on the rise, sun power has become following most potential substitute energy, and solar cell industry development rapidly.Restrict one of difficult problem of its development is exactly how to improve solar cell photoelectric transformation efficiency, reduce costs.Wherein leather producing process is the important step improving photoelectric transformation efficiency.
Making herbs into wool is also known as " surface-texturing ", and effective suede structure makes incident light in silicon chip surface multiple reflections and refraction, adds the absorption of light, reduces reflectivity, contributes to the performance improving battery.Silicon single crystal leather producing process the most often uses chemical corrosion method, generally uses NaOH/ Virahol (IPA) system.IPA has suitable toxicity, has harm to human body, and IPA is easy to volatilization in making herbs into wool process simultaneously, produces detrimentally affect to environment.
Summary of the invention
The object of this invention is to provide one to eliminate the unusual smell wool making solution for monocrystalline silicon pieces.
The present invention is achieved by the following technical solutions:
One eliminates the unusual smell wool making solution for monocrystalline silicon pieces, and it is obtained by the raw material of following weight parts:
Sodium hydroxide 0.5-1, auxiliary agent 3-5, menthol 0.3-0.5, triethanolamine borate 0.3-0.5, sodium lauryl sulphate 0.3-0.5, lauryl imidazolinium betaine 0.2-0.4, water-soluble lanolin 1-2, sorbyl alcohol 3-5, water 80-100;
Wherein auxiliary agent is made up of the raw material of following weight part: Chinese honey locust 10-15, nano titanium oxide 0.1-0.15, ammonium persulphate 0.1-0.2, vinyl-acetic ester 1-1.5, sodium bicarbonate 0.2-0.4, Dodecyl Polyglucosides 1-2, water 100-150; The preparation method of auxiliary agent is by spaonin powder comminution powder, the spaonin powder obtained and sodium bicarbonate, Dodecyl Polyglucosides are added to the water jointly 70-80 DEG C, 200-400r/min stirs 4-6h, cooled and filtered, vinyl-acetic ester and nano titanium oxide is added and ultrasonic disperse 5-10min in filtrate, then ammonium persulfate solution 70-80 DEG C that adds 2-5% is stirred 1-2h, cooled and filtered, to obtain final product.
Eliminate the unusual smell the preparation method of wool making solution for monocrystalline silicon pieces, comprises the following steps:
(1) sodium lauryl sulphate, lauryl imidazolinium betaine are added in the water of 1/3-1/2 weight jointly, first 400-600r/min stirs 5-10min, add triethanolamine borate 70-80 DEG C again, 400-600r/min stir 10-20min, after cooling component A;
(2) first sodium hydroxide is dissolved in remaining water, then adds all the other raw materials 40-60 DEG C, 200-400r/min stirs 2-4h, obtain B component;
(3) by mixed to component A and B component be incorporated in 70-80 DEG C, stir 10-15min under 1000-1500r/min condition, namely obtain the wool making solution for monocrystalline silicon pieces that eliminates the unusual smell after filtration.
Advantage of the present invention is:
The present invention adopts the composite of the raw materials such as sodium lauryl sulphate, the surface tension of effective hierarchy of control, the system of formation is made to have good surface property, stability and dispersive ability, there is good clean clean effect simultaneously, and in conjunction with auxiliary agent, surface modification is carried out to silicon chip, increase the nucleation site of silicon chip surface, promote the anisotropy of silicon single crystal, improve pyramidal density, by silicon chip surface film forming, control silicon chip corrosion speed in alkali lye, effectively improve consistence and the repeatability of leather producing process, improve matte density, thus improve solar battery efficiency, improve quality product, not containing IPA, be conducive to environment protection and HUMAN HEALTH, safety and environmental protection, and have and good go peculiar smell effect, contribute to improving Working environment.
Embodiment
Non-limiting examples of the present invention is as follows:
One eliminates the unusual smell wool making solution for monocrystalline silicon pieces, is prepared from by the component raw material of following weight (kg):
Sodium hydroxide 0.5, auxiliary agent 3, menthol 0.3, triethanolamine borate 0.3, sodium lauryl sulphate 0.3, lauryl imidazolinium betaine 0.2, water-soluble lanolin 1, sorbyl alcohol 3, water 80;
Wherein, auxiliary agent is made up of the raw material of following weight (kg): Chinese honey locust 10, nano titanium oxide 0.1, ammonium persulphate 0.1, vinyl-acetic ester 1, sodium bicarbonate 0.2, Dodecyl Polyglucosides 1, water 100; The preparation method of auxiliary agent is by spaonin powder comminution powder, the spaonin powder obtained and sodium bicarbonate, Dodecyl Polyglucosides are added to the water jointly 80 DEG C, 200r/min stirs 4h, cooled and filtered, vinyl-acetic ester and nano titanium oxide is added and ultrasonic disperse 5min in filtrate, then the ammonium persulfate solution 70 DEG C adding 2% stirs 1h, cooled and filtered, to obtain final product.
The preparation method of wool making solution for monocrystalline silicon pieces of eliminating the unusual smell comprises the following steps:
(1) jointly add in the water of 1/3 weight by sodium lauryl sulphate, lauryl imidazolinium betaine, first 400r/min stirs 5min, then add triethanolamine borate 80 DEG C, 400r/min stirs 10min, must component A after cooling;
(2) first sodium hydroxide is dissolved in remaining water, then adds all the other raw materials 60 DEG C, 400r/min stirs 2h, obtain B component;
(3) by mixed to component A and B component be incorporated in 80 DEG C, stir 15min under 1000r/min condition, namely obtain the wool making solution for monocrystalline silicon pieces that eliminates the unusual smell after filtration.
Monocrystalline silicon piece is put into above-mentioned obtained Woolen-making liquid, under 80 DEG C of condition of water bath heating, carry out making herbs into wool, the making herbs into wool time is 15min, and the surface albedo of monocrystalline silicon piece is 10.6%, and matte pyramid is of a size of 2-3 μm, and size is even.
Claims (2)
1. eliminate the unusual smell a wool making solution for monocrystalline silicon pieces, it is characterized in that, it is obtained by the raw material of following weight parts:
Sodium hydroxide 0.5-1, auxiliary agent 3-5, menthol 0.3-0.5, triethanolamine borate 0.3-0.5, sodium lauryl sulphate 0.3-0.5, lauryl imidazolinium betaine 0.2-0.4, water-soluble lanolin 1-2, sorbyl alcohol 3-5, water 80-100;
Described auxiliary agent is made up of the raw material of following weight part: Chinese honey locust 10-15, nano titanium oxide 0.1-0.15, ammonium persulphate 0.1-0.2, vinyl-acetic ester 1-1.5, sodium bicarbonate 0.2-0.4, Dodecyl Polyglucosides 1-2, water 100-150; The preparation method of auxiliary agent is by spaonin powder comminution powder, the spaonin powder obtained and sodium bicarbonate, Dodecyl Polyglucosides are added to the water jointly 70-80 DEG C, 200-400r/min stirs 4-6h, cooled and filtered, vinyl-acetic ester and nano titanium oxide is added and ultrasonic disperse 5-10min in filtrate, then ammonium persulfate solution 70-80 DEG C that adds 2-5% is stirred 1-2h, cooled and filtered, to obtain final product.
2. the preparation method of a kind of wool making solution for monocrystalline silicon pieces that eliminates the unusual smell according to claim 1, is characterized in that, comprise the following steps:
(1) sodium lauryl sulphate, lauryl imidazolinium betaine are added in the water of 1/3-1/2 weight jointly, first 400-600r/min stirs 5-10min, add triethanolamine borate 70-80 DEG C again, 400-600r/min stir 10-20min, after cooling component A;
(2) first sodium hydroxide is dissolved in remaining water, then adds all the other raw materials 40-60 DEG C, 200-400r/min stirs 2-4h, obtain B component;
(3) by mixed to component A and B component be incorporated in 70-80 DEG C, stir 10-15min under 1000-1500r/min condition, namely obtain the wool making solution for monocrystalline silicon pieces that eliminates the unusual smell after filtration.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858756A (en) * | 2017-12-02 | 2018-03-30 | 常州高特新材料有限公司 | A kind of monocrystalline silicon flocking additive and its application |
| CN108841224A (en) * | 2018-07-09 | 2018-11-20 | 合肥艾飞新材料有限公司 | A kind of graphene doping water-based anticorrosive paint and preparation method thereof |
| CN109355711A (en) * | 2018-12-18 | 2019-02-19 | 张占香 | A kind of flocking additive and its application for Buddha's warrior attendant wire cutting polysilicon chip |
| CN110624388A (en) * | 2019-10-28 | 2019-12-31 | 深圳市爱康泉水处理服务有限公司 | Deodorant composition, deodorant and application thereof |
| CN112956757A (en) * | 2021-02-07 | 2021-06-15 | 泉州市锦恒服装实业有限公司 | Fabric and underpants |
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| CN107858756A (en) * | 2017-12-02 | 2018-03-30 | 常州高特新材料有限公司 | A kind of monocrystalline silicon flocking additive and its application |
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| CN108841224A (en) * | 2018-07-09 | 2018-11-20 | 合肥艾飞新材料有限公司 | A kind of graphene doping water-based anticorrosive paint and preparation method thereof |
| CN109355711A (en) * | 2018-12-18 | 2019-02-19 | 张占香 | A kind of flocking additive and its application for Buddha's warrior attendant wire cutting polysilicon chip |
| CN110624388A (en) * | 2019-10-28 | 2019-12-31 | 深圳市爱康泉水处理服务有限公司 | Deodorant composition, deodorant and application thereof |
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| CN112956757A (en) * | 2021-02-07 | 2021-06-15 | 泉州市锦恒服装实业有限公司 | Fabric and underpants |
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Application publication date: 20151202 |