CN105977345A - Rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid and preparation method thereof - Google Patents
Rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid and preparation method thereof Download PDFInfo
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- CN105977345A CN105977345A CN201610531651.2A CN201610531651A CN105977345A CN 105977345 A CN105977345 A CN 105977345A CN 201610531651 A CN201610531651 A CN 201610531651A CN 105977345 A CN105977345 A CN 105977345A
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- Prior art keywords
- itaconic acid
- solar cell
- rare earth
- surface texture
- silicon solar
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- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims description 7
- 229910021421 monocrystalline silicon Inorganic materials 0.000 title abstract description 5
- 210000004027 cell Anatomy 0.000 title abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 21
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 16
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims abstract description 9
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims abstract description 9
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 7
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 4
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 24
- -1 difluoro heptyl propyl Chemical group 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 7
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 6
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- LBTSNEJGMVFUEW-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,8,8,8-dodecafluorooctoxy-dimethoxy-propylsilane Chemical compound FC(C(C(C(C(F)(F)CO[Si](OC)(OC)CCC)(F)F)(F)F)(F)F)CC(F)(F)F LBTSNEJGMVFUEW-UHFFFAOYSA-N 0.000 abstract 1
- 230000036632 reaction speed Effects 0.000 abstract 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 235000008216 herbs Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
-
- 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
Abstract
The invention discloses a rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid. The texture liquid is prepared from the following raw materials in parts by weight: 0.1-0.2 of itaconic acid, 0.05-0.1 of cerium nitrate, 1.5-2.5 of styrene, 1-2 of 5-10% ammonium persulfate solution, 10 0.1-0.15 of emulsifier OP, 0.1-0.2 of sodium dodecyl sulfate, 0.1-0.15 of dodecafluoroheptyl-propyl-trimethoxysilane, 3-5 of sodium hydroxide, 0.3-0.5 of citric acid, 0.05-0.1 of hydroxyl propyl methylcellulose, and 100-120 of water. According to the invention, the silicon chip texture liquid has moderate corrosion, small thinning amount, stable properties, high repetition utilization rate, has even sized suede pyramids, small granular, rapid reaction speed, excellent quality stability, and excellent product uniformity.
Description
Technical field
The present invention relates to technical field of solar batteries, particularly relate to a kind of rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid and preparation method thereof.
Background technology
Along with world energy sources crisis is more serious, solar energy has become most potential alternative energy source, and solaode is i.e. a kind of electronic component that solar energy is converted directly into electric energy.The main problem hindering solar battery technology development is its high manufacturing cost.At present, for reducing the cost of monocrystaline silicon solar cell and improving electricity conversion, carrying out silicon face texturing is the most easily to realize and the most efficient method.Texture, also known as making herbs into wool, i.e. utilizes and falls into light principle, make incident illumination carry out multiple reflections and extend its propagation path at battery surface, thus improve the solaode absorption efficiency to light.Utilizing the principle of the anisotropic etch of silicon, monocrystalline silicon surface can form similar pyramidal structure, effectively reduces the reflectance of sunlight.
At present, monocrystalline silicon surface texture is most commonly used that chemical corrosion method, it is common to use texture liquid be NaOH/ Isopropanol Solvent, but isopropanol price is high, and evaporation rate is fast, and cost is high and is unfavorable for environmental protection.Patent 201010161287.8 discloses a kind of velvet manufacturing solution of monocrystalline silicon additive, it is made up of alkaline corrosion liquid and surfactant and organic acid or salt, without isopropanol and rapidly and efficiently, but its problem that there is reaction lack of homogeneity, easily cause that silicon face pyramid after texture is bigger than normal and the situation such as local excessive erosion, the quality make silicon chip need improve further.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of response speed is fast, uniformity good, corrodes rare earth moderate, that Reducing thickness is little, silicon chip surface quality is high-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, it is to be prepared by the raw material of following weight parts:
Itaconic acid 0.1-0.2, cerous nitrate 0.05-0.1, styrene 1.5-2.5,5-10% ammonium persulfate solution 1-2, emulsifier op-10 0.1-0.15, sodium lauryl sulphate 0.1-0.2, ten difluoro heptyl propyl trimethoxy silicane 0.1-0.15, sodium hydroxide 3-5, citric acid 0.3-0.5, HYDROXY PROPYL METHYLCELLULOSE 0.05-0.1, water 100-120.
The preparation method of a kind of rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, comprises the following steps:
(1) raw material is weighed by weight, first sodium lauryl sulphate is added in the water of 1/3-1/2 weight and stir, it is then slowly added into styrene and the mixture of ten difluoro heptyl propyl trimethoxy silicanes and stirs 0.5-1h, finally it is slowly added dropwise ammonium persulfate solution and stirs 2-4h in 70-80 DEG C, cool down after insulation 3-5h, obtain complex emulsions；
(2) first stirring in the water of itaconic acid and citric acid addition surplus, until being completely dissolved, is slow added into cerous nitrate 60-70 DEG C and stirs 2-4h, be subsequently adding sodium hydroxide and continue stirring 0.5-1h, add remaining raw material stirring after cooling uniformly, obtain mixed liquor；
(3) it is slowly added to the complex emulsions in step (1) stir in the mixed liquor in step (2) and in 60-80 DEG C, after being filtered to remove impurity, i.e. obtains rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid.
The invention have the advantage that
The present invention utilizes styrene and ten difluoro heptyl propyl trimethoxy silicane emulsions polymerization synthesis complex microsphere, silicon chip surface can be attached to well, play certain etching mask effect, the excessive corrosion of silicon chip can be reduced, promote the uniformity of reaction simultaneously, improve matte quality, be difficult to again remain at silicon chip surface, it is ensured that the spatter property of silicon chip；Simultaneously, by the compounding of the raw material such as cerous nitrate, itaconic acid and potentiation, make that the silicon chip texture corrosion obtained is moderate, Reducing thickness is little, stable performance, recycling rate of waterused high, the matte pyramid size prepared is uniform, granule is less, and response speed is fast, and quality stability is good, and product homogeneity is good.
Detailed description of the invention
A kind of rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, is prepared from by the component raw material of following weight (kg):
Itaconic acid 0.1, cerous nitrate 0.05, styrene 1.5,5% ammonium persulfate solution 1, emulsifier op-10 0.1, sodium lauryl sulphate 0.1, ten difluoro heptyl propyl trimethoxy silicanes 0.1, sodium hydroxide 3, citric acid 0.3, HYDROXY PROPYL METHYLCELLULOSE 0.05, water 100.
The preparation method of a kind of rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, comprises the following steps:
(1) raw material is weighed by weight, first sodium lauryl sulphate is added in the water of 1/3 weight and stir, it is then slowly added into styrene and the mixture of ten difluoro heptyl propyl trimethoxy silicanes and stirs 0.5h, finally it is slowly added dropwise ammonium persulfate solution and stirs 2h in 70 DEG C, cool down after insulation 3h, obtain complex emulsions；
(2) first stirring in the water of itaconic acid and citric acid addition surplus, until being completely dissolved, is slow added into cerous nitrate 60 DEG C and stirs 2h, be subsequently adding sodium hydroxide and continue stirring 0.5h, add remaining raw material stirring after cooling uniformly, obtain mixed liquor；
(3) it is slowly added to the complex emulsions in step (1) stir in the mixed liquor in step (2) and in 60 DEG C, after being filtered to remove impurity, i.e. obtains rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid.
Through inspection, above-mentioned texture liquid 80 DEG C, uniform small size pyramid structure can be prepared at silicon chip surface under the conditions of 15min, its pyramid prepared is 8.9% at 0.5-1.5 μm, the average reflectance in the range of 300-1100nm, and the amount of silicon being corroded is about 5.6%.
Claims (2)
1. rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, it is characterised in that it is to be prepared by the raw material of following weight parts:
Itaconic acid 0.1-0.2, cerous nitrate 0.05-0.1, styrene 1.5-2.5,5-10% ammonium persulfate solution 1-2, emulsifier op-10
0.1-0.15, sodium lauryl sulphate 0.1-0.2, ten difluoro heptyl propyl trimethoxy silicane 0.1-0.15, sodium hydroxide 3-5, citric acid 0.3-0.5, HYDROXY PROPYL METHYLCELLULOSE 0.05-0.1, water 100-120.
The preparation method of a kind of rare earth the most according to claim 1-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid, it is characterised in that comprise the following steps:
(1) raw material is weighed by weight, first sodium lauryl sulphate is added in the water of 1/3-1/2 weight and stir, it is then slowly added into styrene and the mixture of ten difluoro heptyl propyl trimethoxy silicanes and stirs 0.5-1h, finally it is slowly added dropwise ammonium persulfate solution and stirs 2-4h in 70-80 DEG C, cool down after insulation 3-5h, obtain complex emulsions；
(2) first stirring in the water of itaconic acid and citric acid addition surplus, until being completely dissolved, is slow added into cerous nitrate 60-70 DEG C and stirs 2-4h, be subsequently adding sodium hydroxide and continue stirring 0.5-1h, add remaining raw material stirring after cooling uniformly, obtain mixed liquor；
(3) it is slowly added to the complex emulsions in step (1) stir in the mixed liquor in step (2) and in 60-80 DEG C, after being filtered to remove impurity, i.e. obtains rare earth-itaconic acid monocrystaline silicon solar cell sheet surface texture liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531651.2A CN105977345A (en) | 2016-07-08 | 2016-07-08 | Rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610531651.2A CN105977345A (en) | 2016-07-08 | 2016-07-08 | Rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid and preparation method thereof |
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| CN105977345A true CN105977345A (en) | 2016-09-28 |
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| CN201610531651.2A Pending CN105977345A (en) | 2016-07-08 | 2016-07-08 | Rare earth-itaconic acid monocrystalline silicon solar cell surface texture liquid and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427922A (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 prepared in surface of crystalline silicon |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681958A (en) * | 2013-10-16 | 2014-03-26 | 常州时创能源科技有限公司 | Texturization method for multi-crystalline silicon wafer |
| US8969276B2 (en) * | 2009-09-21 | 2015-03-03 | Basf Se | Aqueous acidic etching solution and method for texturing the surface of single crystal and polycrystal silicon substrates |
| JP2015185808A (en) * | 2014-03-26 | 2015-10-22 | 三菱電機株式会社 | Photoelectric conversion device and manufacturing method therefor |
| CN105113017A (en) * | 2015-08-25 | 2015-12-02 | 安徽飞阳能源科技有限公司 | Coptis extract silicon slice texturing agent and preparation method thereof |
-
2016
- 2016-07-08 CN CN201610531651.2A patent/CN105977345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8969276B2 (en) * | 2009-09-21 | 2015-03-03 | Basf Se | Aqueous acidic etching solution and method for texturing the surface of single crystal and polycrystal silicon substrates |
| CN103681958A (en) * | 2013-10-16 | 2014-03-26 | 常州时创能源科技有限公司 | Texturization method for multi-crystalline silicon wafer |
| JP2015185808A (en) * | 2014-03-26 | 2015-10-22 | 三菱電機株式会社 | Photoelectric conversion device and manufacturing method therefor |
| CN105113017A (en) * | 2015-08-25 | 2015-12-02 | 安徽飞阳能源科技有限公司 | Coptis extract silicon slice texturing agent and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427922A (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 prepared in surface of crystalline silicon |
| WO2019042088A1 (en) * | 2017-09-04 | 2019-03-07 | 苏州易益新能源科技有限公司 | Method for preparing textured surface on surface of crystalline silicon |
| CN109427922B (en) * | 2017-09-04 | 2022-02-08 | 苏州易益新能源科技有限公司 | Method for preparing suede on crystalline silicon surface |
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Application publication date: 20160928 |