CN104009125A - Texturing technique of polycrystalline silicon chips - Google Patents
Texturing technique of polycrystalline silicon chips Download PDFInfo
- Publication number
- CN104009125A CN104009125A CN201410267478.0A CN201410267478A CN104009125A CN 104009125 A CN104009125 A CN 104009125A CN 201410267478 A CN201410267478 A CN 201410267478A CN 104009125 A CN104009125 A CN 104009125A
- Authority
- CN
- China
- Prior art keywords
- mass fraction
- acid
- silicon
- wool
- etching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 20
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 12
- 239000003513 alkali Substances 0.000 claims abstract description 11
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 9
- 238000005554 pickling Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 235000008216 herbs Nutrition 0.000 claims description 19
- 210000002268 wool Anatomy 0.000 claims description 19
- 229920005591 polysilicon Polymers 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000002310 reflectometry Methods 0.000 abstract description 9
- 239000002253 acid Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 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
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Photovoltaic Devices (AREA)
- Weting (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410267478.0A CN104009125B (en) | 2014-06-08 | 2014-06-08 | The process for etching of polysilicon chip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410267478.0A CN104009125B (en) | 2014-06-08 | 2014-06-08 | The process for etching of polysilicon chip |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104009125A true CN104009125A (en) | 2014-08-27 |
CN104009125B CN104009125B (en) | 2016-07-06 |
Family
ID=51369706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410267478.0A Expired - Fee Related CN104009125B (en) | 2014-06-08 | 2014-06-08 | The process for etching of polysilicon chip |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104009125B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241449A (en) * | 2014-09-18 | 2014-12-24 | 百力达太阳能股份有限公司 | Technology for manufacturing polycrystalline silicon solar cells |
CN106012027A (en) * | 2016-07-05 | 2016-10-12 | 常州大学 | Monocrystalline/polycrystalline silicon chained acid-alkali integrated texture and preparing method thereof |
CN106328734A (en) * | 2016-08-31 | 2017-01-11 | 东方日升新能源股份有限公司 | Texturization method of silicon chip of solar cell |
CN107393818A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of secondary etching method of the soda acid of polysilicon solar cell and its polysilicon |
CN110752273A (en) * | 2019-10-30 | 2020-02-04 | 无锡尚德太阳能电力有限公司 | Simplified back passivation battery process applied to polycrystalline silicon chip |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111524985A (en) * | 2020-04-28 | 2020-08-11 | 中国科学院电工研究所 | Method for texturing surface of polycrystalline silicon wafer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090277501A1 (en) * | 2008-05-08 | 2009-11-12 | Marvin Keshner | Solar Panel Having Improved Light-Trapping Characteristics and Method |
CN101613884A (en) * | 2009-04-02 | 2009-12-30 | 常州天合光能有限公司 | Polycrystalline silicon fuzzing process by acid method |
CN103151423A (en) * | 2013-02-28 | 2013-06-12 | 常州捷佳创精密机械有限公司 | Texturing and cleaning process method of polysilicon wafer |
-
2014
- 2014-06-08 CN CN201410267478.0A patent/CN104009125B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090277501A1 (en) * | 2008-05-08 | 2009-11-12 | Marvin Keshner | Solar Panel Having Improved Light-Trapping Characteristics and Method |
CN101613884A (en) * | 2009-04-02 | 2009-12-30 | 常州天合光能有限公司 | Polycrystalline silicon fuzzing process by acid method |
CN103151423A (en) * | 2013-02-28 | 2013-06-12 | 常州捷佳创精密机械有限公司 | Texturing and cleaning process method of polysilicon wafer |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104241449A (en) * | 2014-09-18 | 2014-12-24 | 百力达太阳能股份有限公司 | Technology for manufacturing polycrystalline silicon solar cells |
CN106012027A (en) * | 2016-07-05 | 2016-10-12 | 常州大学 | Monocrystalline/polycrystalline silicon chained acid-alkali integrated texture and preparing method thereof |
CN106328734A (en) * | 2016-08-31 | 2017-01-11 | 东方日升新能源股份有限公司 | Texturization method of silicon chip of solar cell |
CN107393818A (en) * | 2017-06-27 | 2017-11-24 | 江苏大学 | A kind of secondary etching method of the soda acid of polysilicon solar cell and its polysilicon |
CN107393818B (en) * | 2017-06-27 | 2020-06-09 | 江苏大学 | Acid-base secondary texturing method of polycrystalline silicon solar cell and polycrystalline silicon thereof |
CN110752273A (en) * | 2019-10-30 | 2020-02-04 | 无锡尚德太阳能电力有限公司 | Simplified back passivation battery process applied to polycrystalline silicon chip |
CN110752273B (en) * | 2019-10-30 | 2022-07-01 | 无锡尚德太阳能电力有限公司 | Simplified back passivation battery process applied to polycrystalline silicon chip |
Also Published As
Publication number | Publication date |
---|---|
CN104009125B (en) | 2016-07-06 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Chen Zhaoming Inventor before: Wu Shiwei |
|
TR01 | Transfer of patent right |
Effective date of registration: 20170630 Address after: 541199, Lingui Guilin, the Guangxi Zhuang Autonomous Region pond Industrial Park Patentee after: Guilin Sunshine Energy Technology Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170630 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 315613 No. 8 Yucai Road, West Town, Ninghai County, Zhejiang Province Patentee before: Wu Shiwei |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20190608 |
|
CF01 | Termination of patent right due to non-payment of annual fee |