CN107034518A - A kind of monocrystalline silicon flocking additive - Google Patents
A kind of monocrystalline silicon flocking additive Download PDFInfo
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- CN107034518A CN107034518A CN201710496818.0A CN201710496818A CN107034518A CN 107034518 A CN107034518 A CN 107034518A CN 201710496818 A CN201710496818 A CN 201710496818A CN 107034518 A CN107034518 A CN 107034518A
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- parts
- sodium
- monocrystalline silicon
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/08—Etching
- C30B33/10—Etching in solutions or melts
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
Abstract
The present invention relates to monocrystalline silicon making herbs into wool technical field, particularly a kind of monocrystalline silicon flocking additive includes following components according to mass fraction meter：Include following components according to mass fraction meter：13 18 parts of neopelex, 49 parts of polyoxyethylene amine, 10 15 parts of sodium ethylene diamine tetracetate, 8 13 parts of sodium tripolyphosphate, 12 16 parts of sodium metasilicate, 20 25 parts of propene carbonate, 5 15 parts of sodium benzoate, 15 25 parts of sodium metnylene bis-naphthalene sulfonate.After above-mentioned formula, monocrystalline silicon flocking additive of the invention has the specific wetting of surfactant, infiltration, emulsification, scattered and detergency ability, can further reduce the surface reflectivity of silicon chip, improve the photoelectric transformation efficiency of crystal-silicon solar cell.
Description
Technical field
The present invention relates to monocrystalline silicon making herbs into wool technical field, particularly a kind of monocrystalline silicon flocking additive.
Background technology
During production solar battery sheet, in order to improve the performance and efficiency of solar cell, it is necessary in silicon chip table
Face makes matte, and effective suede structure can cause incident sunlight to carry out multiple reflections and refraction in silicon chip surface, change into
Penetrate direction of advance of the light in silicon.
At present, the technological process of conventional manufacture of solar cells is surface prerinse, making herbs into wool removes damage layer and formation subtracts
The suede structure of reflection, Chemical cleaning and drying；The method spread by liquid source is in silicon chip surface each point formation Uniform Doped
PN junction, remove the periphery P N mating surface phosphorosilicate glasses that are formed in diffusion process；Surface deposition passivation and antireflective coating；Make
The backplate of solar cell, surface field close front electrode；Sintering forms Ohmic contact, so as to complete the system of whole cell piece
Make process.
Making herbs into wool is that chemically or physically method removes damaged layer on surface of silicon slice and forms the process of the suede structure of antireflective, mesh
Preceding conventional process for etching typically uses potassium hydroxide or sodium hydroxide, and adds the mixed solution of appropriate isopropanol and sodium metasilicate and enter
Row making herbs into wool.It has the disadvantage：The making herbs into wool time is long, and making herbs into wool pyramid is big and uneven, requires high to original silicon chip surface state, chemistry
Product consumption is big, and making herbs into wool poor repeatability, making herbs into wool size is uneven, so as to cause the low problem of cell piece conversion efficiency.
The A of Chinese invention patent CN 102912450 disclose a kind of monocrystalline silicon flocking additive, by following components prepare and
Into：Neopelex, Quadrafos, lactic acid, sulfuric acid and water, the mass percent of the component is：Detergent alkylate
Sodium sulfonate 5-20%, Quadrafos 10-18%, lactic acid 0-7%, sulfuric acid 2-10%, surplus is water.
The content of the invention
The technical problem to be solved in the invention, which is to provide, a kind of can reduce the monocrystalline silicon making herbs into wool of silicon chip surface reflectivity
Additive.
To solve above-mentioned technical problem, a kind of monocrystalline silicon flocking additive of the invention includes according to mass fraction meter
Following components：Include following components according to mass fraction meter：13-18 parts of neopelex, 4-9 parts of polyoxyethylene amine,
10-15 parts of sodium ethylene diamine tetracetate, 8-13 parts of sodium tripolyphosphate, 12-16 parts of sodium metasilicate, 20-25 parts of propene carbonate, benzoic acid
5-15 parts of sodium, 15-25 parts of sodium metnylene bis-naphthalene sulfonate.
Further, following components is included according to mass fraction meter：13 parts of neopelex, polyoxyethylene amine 4
Part, 10 parts of sodium ethylene diamine tetracetate, 8 parts of sodium tripolyphosphate, 12 parts of sodium metasilicate, 20 parts of propene carbonate, 5 parts of sodium benzoate is sub-
15 parts of methyl sodium dinaphthalenesulfonate.
Further, following components is included according to mass fraction meter：18 parts of neopelex, polyoxyethylene amine 9
Part, 15 parts of sodium ethylene diamine tetracetate, 13 parts of sodium tripolyphosphate, 16 parts of sodium metasilicate, 25 parts of propene carbonate, 15 parts of sodium benzoate,
25 parts of sodium metnylene bis-naphthalene sulfonate.
Further, following components is included according to mass fraction meter：15 parts of neopelex, polyoxyethylene amine 5
Part, 11 parts of sodium ethylene diamine tetracetate, 9 parts of sodium tripolyphosphate, 13 parts of sodium metasilicate, 22 parts of propene carbonate, 6 parts of sodium benzoate is sub-
18 parts of methyl sodium dinaphthalenesulfonate.
Further, following components is included according to mass fraction meter：16 parts of neopelex, polyoxyethylene amine 8
Part, 14 parts of sodium ethylene diamine tetracetate, 12 parts of sodium tripolyphosphate, 15 parts of sodium metasilicate, 23 parts of propene carbonate, 13 parts of sodium benzoate,
22 parts of sodium metnylene bis-naphthalene sulfonate.
After above-mentioned formula, monocrystalline silicon flocking additive of the invention has the specific wetting of surfactant, oozed
Thoroughly, emulsify, disperse and detergency ability, can further reduce the surface reflectivity of silicon chip, improve the light of crystal-silicon solar cell
Photoelectric transformation efficiency.
Embodiment
Embodiment one：
A kind of monocrystalline silicon flocking additive of the present invention, includes following components according to mass fraction meter：Detergent alkylate sulphur
Sour 13 parts of sodium, 4 parts of polyoxyethylene amine, 10 parts of sodium ethylene diamine tetracetate, 8 parts of sodium tripolyphosphate, 12 parts of sodium metasilicate, propene carbonate
20 parts, 5 parts of sodium benzoate, 15 parts of sodium metnylene bis-naphthalene sulfonate.
Embodiment two：
A kind of monocrystalline silicon flocking additive of the present invention, includes following components according to mass fraction meter：Detergent alkylate sulphur
Sour 18 parts of sodium, 9 parts of polyoxyethylene amine, 15 parts of sodium ethylene diamine tetracetate, 13 parts of sodium tripolyphosphate, 16 parts of sodium metasilicate, propylene carbonate
25 parts of ester, 15 parts of sodium benzoate, 25 parts of sodium metnylene bis-naphthalene sulfonate.
Embodiment three：
A kind of monocrystalline silicon flocking additive of the present invention, includes following components according to mass fraction meter：Detergent alkylate sulphur
Sour 15 parts of sodium, 5 parts of polyoxyethylene amine, 11 parts of sodium ethylene diamine tetracetate, 9 parts of sodium tripolyphosphate, 13 parts of sodium metasilicate, propene carbonate
22 parts, 6 parts of sodium benzoate, 18 parts of sodium metnylene bis-naphthalene sulfonate.
Embodiment four：
A kind of monocrystalline silicon flocking additive of the present invention, includes following components according to mass fraction meter：Detergent alkylate sulphur
Sour 16 parts of sodium, 8 parts of polyoxyethylene amine, 14 parts of sodium ethylene diamine tetracetate, 12 parts of sodium tripolyphosphate, 15 parts of sodium metasilicate, propylene carbonate
23 parts of ester, 13 parts of sodium benzoate, 22 parts of sodium metnylene bis-naphthalene sulfonate.
Although the foregoing describing the embodiment of the present invention, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and essence of invention, sheet
The protection domain of invention is only limited by the claims that follow.
Claims (5)
1. a kind of monocrystalline silicon flocking additive, it is characterised in that include following components according to mass fraction meter：Detergent alkylate sulphur
Sour sodium 13-18 parts, 4-9 parts of polyoxyethylene amine, 10-15 parts of sodium ethylene diamine tetracetate, 8-13 parts of sodium tripolyphosphate, sodium metasilicate 12-
16 parts, 20-25 parts of propene carbonate, 5-15 parts of sodium benzoate, 15-25 parts of sodium metnylene bis-naphthalene sulfonate.
2. according to a kind of monocrystalline silicon flocking additive described in claim 1, it is characterised in that according to mass fraction meter include with
Lower component：13 parts of neopelex, 4 parts of polyoxyethylene amine, 10 parts of sodium ethylene diamine tetracetate, 8 parts of sodium tripolyphosphate, silicon
Sour 12 parts of sodium, 20 parts of propene carbonate, 5 parts of sodium benzoate, 15 parts of sodium metnylene bis-naphthalene sulfonate.
3. according to a kind of monocrystalline silicon flocking additive described in claim 1, it is characterised in that according to mass fraction meter include with
Lower component：18 parts of neopelex, 9 parts of polyoxyethylene amine, 15 parts of sodium ethylene diamine tetracetate, 13 parts of sodium tripolyphosphate,
16 parts of sodium metasilicate, 25 parts of propene carbonate, 15 parts of sodium benzoate, 25 parts of sodium metnylene bis-naphthalene sulfonate.
4. according to a kind of monocrystalline silicon flocking additive described in claim 1, it is characterised in that according to mass fraction meter include with
Lower component：15 parts of neopelex, 5 parts of polyoxyethylene amine, 11 parts of sodium ethylene diamine tetracetate, 9 parts of sodium tripolyphosphate, silicon
Sour 13 parts of sodium, 22 parts of propene carbonate, 6 parts of sodium benzoate, 18 parts of sodium metnylene bis-naphthalene sulfonate.
5. according to a kind of monocrystalline silicon flocking additive described in claim 1, it is characterised in that according to mass fraction meter include with
Lower component：16 parts of neopelex, 8 parts of polyoxyethylene amine, 14 parts of sodium ethylene diamine tetracetate, 12 parts of sodium tripolyphosphate,
15 parts of sodium metasilicate, 23 parts of propene carbonate, 13 parts of sodium benzoate, 22 parts of sodium metnylene bis-naphthalene sulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496818.0A CN107034518A (en) | 2017-06-26 | 2017-06-26 | A kind of monocrystalline silicon flocking additive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496818.0A CN107034518A (en) | 2017-06-26 | 2017-06-26 | A kind of monocrystalline silicon flocking additive |
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| CN107034518A true CN107034518A (en) | 2017-08-11 |
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| CN201710496818.0A Pending CN107034518A (en) | 2017-06-26 | 2017-06-26 | A kind of monocrystalline silicon flocking additive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427930A (en) * | 2017-09-04 | 2019-03-05 | 苏州易益新能源科技有限公司 | A method of flannelette is selectively prepared on crystal silicon chip surface |
| CN110644055A (en) * | 2019-10-12 | 2020-01-03 | 湖南理工学院 | Monocrystalline silicon texturing additive formula containing polysaccharide and alcohols |
| CN110644054A (en) * | 2019-10-12 | 2020-01-03 | 湖南理工学院 | Formula of monocrystalline silicon texturing additive containing polyvinylpyrrolidone and shrinkable glycol |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060068597A1 (en) * | 2003-05-07 | 2006-03-30 | Alexander Hauser | Method for texturing surfaces 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 |
| CN102912451A (en) * | 2012-11-21 | 2013-02-06 | 贵州威顿晶磷电子材料有限公司 | Low-cost monocrystalline silicon wafer texturing additive |
| CN102943307A (en) * | 2012-11-27 | 2013-02-27 | 韩华新能源（启东）有限公司 | Single crystal silicon alcohol-free wool making additive |
-
2017
- 2017-06-26 CN CN201710496818.0A patent/CN107034518A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060068597A1 (en) * | 2003-05-07 | 2006-03-30 | Alexander Hauser | Method for texturing surfaces 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 |
| CN102912451A (en) * | 2012-11-21 | 2013-02-06 | 贵州威顿晶磷电子材料有限公司 | Low-cost monocrystalline silicon wafer texturing additive |
| CN102943307A (en) * | 2012-11-27 | 2013-02-27 | 韩华新能源（启东）有限公司 | Single crystal silicon alcohol-free wool making additive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427930A (en) * | 2017-09-04 | 2019-03-05 | 苏州易益新能源科技有限公司 | A method of flannelette is selectively prepared on crystal silicon chip surface |
| CN109427930B (en) * | 2017-09-04 | 2022-02-25 | 苏州易益新能源科技有限公司 | Method for selectively preparing suede on surface of crystal silicon wafer |
| CN110644055A (en) * | 2019-10-12 | 2020-01-03 | 湖南理工学院 | Monocrystalline silicon texturing additive formula containing polysaccharide and alcohols |
| CN110644054A (en) * | 2019-10-12 | 2020-01-03 | 湖南理工学院 | Formula of monocrystalline silicon texturing additive containing polyvinylpyrrolidone and shrinkable glycol |
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Application publication date: 20170811 |