CN102877135B - Monocrystalline silicon piece alkalescence environment-friendly type is without the additive of alcohol Woolen-making liquid and using method thereof - Google Patents
Monocrystalline silicon piece alkalescence environment-friendly type is without the additive of alcohol Woolen-making liquid and using method thereof Download PDFInfo
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- CN102877135B CN102877135B CN201210330618.5A CN201210330618A CN102877135B CN 102877135 B CN102877135 B CN 102877135B CN 201210330618 A CN201210330618 A CN 201210330618A CN 102877135 B CN102877135 B CN 102877135B
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Abstract
The invention provides a kind of for the additive of silicon single crystal alkali environment-friendly type without alcohol Woolen-making liquid, its component comprised is: weight percent is the protein of 0.05-1%, weight percent is the washing composition of 0.01-1%, and weight percent is the VITAMIN of 0.001%-0.003%, it is a kind of to get in donkey-hide gelatin, tea-polyphenol or their combination and the water of surplus.After adopting this additive and using method, compared with when not adding additive, making herbs into wool temperature can be reduced, do not use Virahol, shorten the making herbs into wool time, and making herbs into wool effect is significantly improved.
Description
[technical field]
The invention relates to silicon chip of solar cell and manufacture field, in particularly manufacturing about silicon chip, a kind of environment-friendly type is without the additive of alcohol alkali wool making solution for monocrystalline silicon pieces and using method thereof.
[background technology]
In solar battery mono-crystal sheet preparation process, in order to improve performance and the electricity conversion of solar cell, silicon chip surface must carry out roughened, forms diffuse-reflectance to make the sunlight being incident on silicon face.On the one hand, extend light path, thus add the specific absorption of silicon chip to infrared light; On the other hand, more photon is absorbed in the region near PN junction, and produce photo-generated carrier, these photo-generated carriers are more easily collected, because have built in field near PN junction, because this increasing the collection effciency of photo-generated carrier.The normally chemical alkaline corrosion of roughened of monocrystalline silicon sheet surface, forms the matte of pyramid shape.The different crystal faces of alkaline corrosion liquid to silicon chip have different erosion rates, comparatively slow to the corrosion of (111) crystal face, very fast to the corrosion of (100) crystal face.Therefore, when utilizing alkaline corrosion liquid to corrode silicon chip, due to this anisotropic corrosive property, pyramid structure can be formed at silicon chip surface.
Effective suede structure can make incident sunlight carry out multiple reflections and refraction at silicon chip surface, changes the working direction of incident light in silicon.The matte of monocrystalline silicon battery normally utilizes alkaline corrosion liquid (as KOH, NaOH etc.) corrode silicon chip surface and formed.
Making herbs into wool effect is mainly reflected in matte (pyramid) size and uniformity coefficient, the matte (pyramid) that general technology does is of a size of 6 ~ 10 μm, uniformity coefficient is poor, and the use additive of this patent can make matte (pyramid) size reach 1 ~ 3 μm, size evenness is good, does not have large pyramid.Pyramid size is little has good effect to battery subsequent technique.
At present, conventional in industrial production Woolen-making liquid is made up of NaOH, Na2SiO4, Virahol, deionized water etc.The making herbs into wool effect of this Woolen-making liquid is not very good, and Problems existing comprises: pyramidal size is larger, is generally 10 ~ 15 μm; Silicon slice corrosion amount is larger; Making herbs into wool stability is bad; After making herbs into wool, silicon chip surface homogeneity is bad, and soil removability is poor, often can see obvious finger-marks, hickie etc.Meanwhile, owing to using inflammable and explosive volatile hazardous substance Virahol in a large number, make raw materials for production cost, transportation cost, carrying cost greatly increases.Virahol is volatile simultaneously, and workshop has explosion hazard, and personnel are owing to sucking a large amount of Virahol, can cause various occupational illness, suck for a long time, even can cause the various persistent ailments comprising lung cancer and leukemia time serious.And, because corrosive fluid uses Virahol in a large number, cause environmental pollution, need to carry out aftertreatment, and then increase production cost.Therefore, if existingly alcohol making herbs into wool additive can be had to replace without the making herbs into wool additive of alcohol environmental protection, great economy, environmental protection will be had, the meaning of labour protection and general health.
[summary of the invention]
The object of the present invention is to provide a kind of environmental protection for silicon single crystal alkalescence Woolen-making liquid without alcohol making herbs into wool additive.
Another object of the present invention is to provide a kind of environmental protection without alcohol silicon single crystal alkalescence Woolen-making liquid.
Another object of the present invention is that providing a kind of uses the environmental protection of additive to carry out the method for fine-hair maring using monocrystalline silicon slice without alcohol alkali wool making solution for monocrystalline silicon pieces.
A kind of for the additive of silicon single crystal alkalescence without alcohol Woolen-making liquid for reaching aforementioned object the present invention, its component comprised is: weight percent is the protein of 0.05-1%, weight percent is the washing composition of 0.01-1%, and weight percent is the VITAMIN of 0.001%-0.003%, it is a kind of to get in donkey-hide gelatin, tea-polyphenol or their combination and the water of surplus.
According to one embodiment of present invention, described protein is from containing choosing a kind of or their combination the Edible protein flour of protein more than 85% or food foaming agent.
According to one embodiment of present invention, described washing composition is from family expenses anion surfactant, family expenses cats product, family expenses neutral surface active agent, at least choose wherein a kind of or their combination.
According to one embodiment of present invention, described water is deionized water.
For reaching another object aforementioned, the compound method of a kind of Wool-making agent for monocrystalline silicon sheet surface process of the present invention, comprising:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) additive as described in claim 1-4 is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain the Woolen-making liquid being added with additive, wherein said additive and alkalescence are 2-5: 100 without the weight ratio of alcohol Woolen-making liquid.
For reaching an aforementioned object again, a kind of fine-hair maring using monocrystalline silicon slice method of the present invention, it comprises:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) additive as described in claim 1-4 is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain the Woolen-making liquid being added with additive, wherein said additive and alkalescence are 2-5: 100 without the weight ratio of alcohol Woolen-making liquid;
(3) be then immersed in by monocrystalline silicon piece in the Woolen-making liquid being added with additive and carry out making herbs into wool, during making herbs into wool, temperature is 70-90 DEG C, and the making herbs into wool time is 720-1200s.
The invention has the advantages that: after adopting this additive and using method, compared with when not adding additive, making herbs into wool temperature can be reduced, shorten the making herbs into wool time, and making herbs into wool effect is significantly improved.After adopting this additive and using method to carry out silicon chip surface making herbs into wool, the pyramid size formed at silicon chip surface is less than 2 μm, and silicon chip whole uniform color, average reflectance is lower than 15%, and the amount of silicon be corroded is less than 6%.Matte pyramid size is more tiny, and distribution is more even, significantly reduces the reflectivity of silicon chip.To the cell piece finally obtained, also there is useful effect, improve the yield rate of cell piece, improve the short-circuit current of cell piece and increase the packing factor of cell piece, improve the photoelectric transformation efficiency of solar battery sheet.In addition, catalyzer nontoxicity of the present invention, non-corrosiveness, nonirritant, without burning and explosion hazard, to human body and environment without harm; Further, simply, equipment is cheap, reproducible for the configuration of catalyzer and operation.
[accompanying drawing explanation]
Fig. 1 is the comparison diagram of the scanning electron microscope orthographic plan of the silicon chip that the scanning electron microscope orthographic plan of the silicon chip surface matte using alkalescence of the present invention to obtain without the additive of alcohol Woolen-making liquid and conventional alkaline solution obtain.
Fig. 2 is that the silicon chip that the additive of the application of the invention is made makes battery behind efficiency turnover ratio comparison diagram, wherein in figure, dotted line is the battery conversion efficiency distribution plan obtained after using IPA making herbs into wool, and the histogram of entity is the battery conversion efficiency distribution plan using additive of the present invention to obtain.
[embodiment]
Alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
The invention provides a kind of environmental protection for silicon single crystal alkalescence Woolen-making liquid without alcohol making herbs into wool additive, the component wherein comprised is: weight percent is the protein of 0.05-1%, weight percent is the washing composition of 0.01-1%, and weight percent is the VITAMIN of 0.001%-0.003%, it is a kind of to get in donkey-hide gelatin, tea-polyphenol or their combination and the water of surplus.
Wherein protein can be from containing choosing a kind of or their group the Edible protein flour of protein more than 85% or food foaming agent.
Wherein washing composition can be from family expenses anion surfactant, family expenses cats product, family expenses neutral surface active agent, at least choose wherein a kind of or their combination, such as, can be the liquid dishwashing sanitising agent (LiquidDishwashDetergent) that Dow (Tao Shi) company produces.
Wherein water preferably deionized water.
The present invention is used for the compound method of the Wool-making agent of monocrystalline silicon sheet surface process, comprising:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) aforementioned additive of the present invention is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain Woolen-making liquid of the present invention, the weight ratio of wherein said additive and Woolen-making liquid is 2-5: 100.
The present invention also provides a kind of fine-hair maring using monocrystalline silicon slice method, and it comprises:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) aforementioned additive of the present invention is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain Woolen-making liquid of the present invention, the weight ratio of wherein said additive and Woolen-making liquid is 2-5: 100;
(3) be then immersed in by monocrystalline silicon piece in the Woolen-making liquid being added with additive and carry out making herbs into wool, during making herbs into wool, temperature is 70-90 DEG C, and the making herbs into wool time is 720-1200s.
Embodiment 1:
Configuration additive, get the Edible protein flour 0.05 gram of protein more than 85%, get anion surfactant (one of washing composition) 0.01 gram, VITAMIN, donkey-hide gelatin, tea-polyphenol respectively get 0.001 gram, and the deionized water of 99.939 grams, protein powder, washing composition, VITAMIN, donkey-hide gelatin, tea-polyphenol are dissolved in deionized water, make the solution of 100 grams.
5 grams of NaOH are dissolved in 995 grams of deionized waters by configuration Woolen-making liquid, to obtain 1000 grams of alkalescence without alcohol Woolen-making liquid; 20 grams of additives are added in 1000 grams of alkalescence are without alcohol Woolen-making liquid.
Be immersed in the Woolen-making liquid being added with additive by monocrystalline silicon piece used for solar batteries and carry out surface wool manufacturing, making herbs into wool temperature is 70 DEG C, and the making herbs into wool time is 720s, completes making herbs into wool.
Embodiment 2:
Configuration additive, get the Edible protein flour 0.05 gram of protein more than 85%, get anion surfactant (one of washing composition) 0.01 gram, VITAMIN, donkey-hide gelatin, tea-polyphenol respectively get 0.001 gram, and the deionized water of 99.939 grams, protein powder, washing composition, VITAMIN, donkey-hide gelatin, tea-polyphenol are dissolved in deionized water, make the solution of 100 grams.
11 grams of NaOH are dissolved in 989 grams of deionized waters by configuration Woolen-making liquid, to obtain 1000 grams of alkalescence without alcohol Woolen-making liquid; 25 grams of additives are added in 1000 grams of alkalescence are without alcohol Woolen-making liquid.
Be immersed in the Woolen-making liquid being added with additive by monocrystalline silicon piece used for solar batteries and carry out surface wool manufacturing, making herbs into wool temperature is 75 DEG C, and the making herbs into wool time is 900s, completes making herbs into wool.
Embodiment 3:
Configuration additive, get food foaming agent 1 gram, get family expenses neutral surface active agent (one of washing composition) 1 gram, VITAMIN, donkey-hide gelatin, tea-polyphenol respectively get 0.003 gram, and the deionized water of 97.997 grams, protein powder, washing composition, VITAMIN, donkey-hide gelatin, tea-polyphenol are dissolved in deionized water, make the solution of 100 grams.
100 grams of NaOH are dissolved in 900 grams of deionized waters by configuration Woolen-making liquid, to obtain 1000 grams of alkalescence without alcohol Woolen-making liquid; 50 grams of additives are added in 1000 grams of alkalescence are without alcohol Woolen-making liquid.
Be immersed in the Woolen-making liquid being added with additive by monocrystalline silicon piece used for solar batteries and carry out surface wool manufacturing, making herbs into wool temperature is 90 DEG C, and the making herbs into wool time is 1200s, completes making herbs into wool.
Refer to shown in Fig. 1, Fig. 1 is the comparison diagram of the scanning electron microscope orthographic plan of the silicon chip that the scanning electron microscope orthographic plan of the silicon chip surface matte using alkalescence of the present invention to obtain without the additive of alcohol Woolen-making liquid and conventional alkaline Woolen-making liquid obtain.Wherein left side is the scanning electron microscope orthographic plan of the silicon chip surface matte using the additive of alkaline Woolen-making liquid of the present invention to obtain, and right side is the scanning electron microscope orthographic plan of the silicon chip that conventional alkaline solution obtains.Can see that the pyramid size formed by method making herbs into wool of the present invention is less according to Fig. 1, be approximately 1-2 μm, and distribution is more even.In addition, the amount of silicon be corroded is about 5.2%.
Refer to shown in Fig. 2, Fig. 2 is that the silicon chip that the additive of the application of the invention is made makes battery behind efficiency turnover ratio comparison diagram, wherein in figure, dotted line is the battery conversion efficiency distribution plan obtained after using IPA making herbs into wool, and the histogram of entity is the battery conversion efficiency distribution plan using additive of the present invention to obtain.Through comparing, the battery that the battery conversion efficiency adopting additive of the present invention to obtain obtains significantly better than traditional etching method.
The invention has the advantages that: after adopting this additive and using method, compared with when not adding additive, making herbs into wool temperature can be reduced, shorten the making herbs into wool time, and making herbs into wool effect is significantly improved.After adopting this additive and using method to carry out silicon chip surface making herbs into wool, the pyramid size formed at silicon chip surface is less than 2 μm, and silicon chip whole uniform color, average reflectance is lower than 15%, and the amount of silicon be corroded is less than 6%.Matte pyramid size is more tiny, and distribution is more even, significantly reduces the reflectivity of silicon chip.To the cell piece finally obtained, also there is useful effect, improve the yield rate of cell piece, improve the short-circuit current of cell piece and increase the packing factor of cell piece, improve the photoelectric transformation efficiency of solar battery sheet.In addition, catalyzer nontoxicity of the present invention, non-corrosiveness, nonirritant, without burning and explosion hazard, to human body and environment without harm; Further, simply, equipment is cheap, reproducible for the configuration of catalyzer and operation.
Above-mentioned explanation fully discloses the specific embodiment of the present invention.It is pointed out that the scope be familiar with person skilled in art and any change that the specific embodiment of the present invention is done all do not departed to claims of the present invention.Correspondingly, the scope of claim of the present invention is also not limited only to previous embodiment.
Claims (5)
1. one kind for silicon single crystal alkalescence without the additive of alcohol Woolen-making liquid, it is characterized in that: its component comprised is: weight percent is the protein of 0.05-1%, weight percent is the washing composition of 0.01-1%, weight percent is the VITAMIN of 0.001%-0.003%, it is a kind of to get in donkey-hide gelatin, tea-polyphenol or their combination and the water of surplus, and described protein is from containing choosing a kind of or their combination the Edible protein flour of protein more than 85% or food foaming agent.
2. as claimed in claim 1 for silicon single crystal alkalescence without the additive of alcohol Woolen-making liquid, it is characterized in that: described washing composition is from family expenses anion surfactant, family expenses cats product, family expenses neutral surface active agent, at least choose wherein a kind of or their combination.
3., as claimed in claim 1 for the alkaline additive without alcohol Woolen-making liquid of silicon single crystal, it is characterized in that: described water is deionized water.
4., for a compound method for the Wool-making agent of monocrystalline silicon sheet surface process, comprising:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) additive as described in as arbitrary in claim 1-3 is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain the Woolen-making liquid being added with additive, wherein said additive and alkalescence are 2-5: 100 without the weight ratio of alcohol Woolen-making liquid.
5. a fine-hair maring using monocrystalline silicon slice method, it comprises:
(1) be that the NaOH of 0.5-10% is dissolved in deionized water by weight percentage, obtain alkalescence without alcohol Woolen-making liquid;
(2) additive as described in as arbitrary in claim 1-3 is added alkalescence in step (1) without in alcohol Woolen-making liquid, obtain the Woolen-making liquid being added with additive, wherein said additive and alkalescence are 2-5: 100 without the weight ratio of alcohol Woolen-making liquid;
(3) be then immersed in by monocrystalline silicon piece in the Woolen-making liquid being added with additive and carry out making herbs into wool, during making herbs into wool, temperature is 70-90 DEG C, and the making herbs into wool time is 720-1200s.
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| CN103614778A (en) * | 2013-11-25 | 2014-03-05 | 英利能源（中国）有限公司 | Alcohol-free alkaline texturing solution for mono-crystalline silicon wafer, texturing method for mono-crystalline silicon wafer, solar cell and manufacturing method for solar cell |
| CN105113009A (en) * | 2015-08-21 | 2015-12-02 | 合肥中南光电有限公司 | Environment-friendly monocrystalline silicon piece texturing liquid and preparation method thereof |
| CN105133026A (en) * | 2015-08-21 | 2015-12-09 | 合肥中南光电有限公司 | Low-damage monocrystalline silicon slice texturing solution and preparation method thereof |
| CN105133030A (en) * | 2015-08-25 | 2015-12-09 | 合肥中南光电有限公司 | Long-acting silicon wafer texture-etchant and preparation method therefor |
| CN105133031A (en) * | 2015-08-25 | 2015-12-09 | 合肥中南光电有限公司 | Bamboo extraction solution silicon wafer texture-etchant and preparation method therefor |
| CN106024988B (en) * | 2016-07-26 | 2017-12-15 | 南京科乃迪科环保科技有限公司 | The black silicon of one-step method wet method prepares and surface treatment method |
| CN106222756A (en) * | 2016-09-30 | 2016-12-14 | 杭州飞鹿新能源科技有限公司 | Additive and application process thereof for diamond wire cutting fine-hair maring using monocrystalline silicon slice |
| CN108221057B (en) * | 2018-01-18 | 2020-05-08 | 西安润威光电科技有限公司 | Method for preparing silicon solar cell texture by using graphene oxide-based crystalline silicon texture making additive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851757A (en) * | 2010-06-08 | 2010-10-06 | 常州时创能源科技有限公司 | Additive of wool making solution for monocrystalline silicon pieces and using method |
| CN102312294A (en) * | 2011-09-08 | 2012-01-11 | 浙江向日葵光能科技股份有限公司 | Additive used for monocrystalline silicon wafer alkaline flocking and application method thereof |
| CN102479698A (en) * | 2010-11-24 | 2012-05-30 | 气体产品与化学公司 | Compositions and methods for texturing of silicon wafers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010019079A1 (en) * | 2010-04-30 | 2011-11-03 | Gp Solar Gmbh | An additive for alkaline etching solutions, in particular for texture etching solutions, and process for its preparation |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851757A (en) * | 2010-06-08 | 2010-10-06 | 常州时创能源科技有限公司 | Additive of wool making solution for monocrystalline silicon pieces and using method |
| CN102479698A (en) * | 2010-11-24 | 2012-05-30 | 气体产品与化学公司 | Compositions and methods for texturing of silicon wafers |
| CN102312294A (en) * | 2011-09-08 | 2012-01-11 | 浙江向日葵光能科技股份有限公司 | Additive used for monocrystalline silicon wafer alkaline flocking and application method thereof |
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