WO2023011653A1 - 钝化接触结构、其制备方法以及其应用的太阳能电池 - Google Patents
钝化接触结构、其制备方法以及其应用的太阳能电池 Download PDFInfo
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- WO2023011653A1 WO2023011653A1 PCT/CN2022/110671 CN2022110671W WO2023011653A1 WO 2023011653 A1 WO2023011653 A1 WO 2023011653A1 CN 2022110671 W CN2022110671 W CN 2022110671W WO 2023011653 A1 WO2023011653 A1 WO 2023011653A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transparent conductive
- conductive film
- contact structure
- layer
- passivation
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- 238000002161 passivation Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- 230000005641 tunneling Effects 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 31
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 30
- 239000004065 semiconductor Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 16
- 239000011787 zinc oxide Substances 0.000 claims description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims 1
- 229910001887 tin oxide Inorganic materials 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 230000031700 light absorption Effects 0.000 abstract description 12
- 230000005611 electricity Effects 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 description 30
- 239000010703 silicon Substances 0.000 description 30
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 29
- 229910052581 Si3N4 Inorganic materials 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 9
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 8
- 238000000231 atomic layer deposition Methods 0.000 description 8
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000005360 phosphosilicate glass Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 230000006798 recombination Effects 0.000 description 6
- 238000005215 recombination Methods 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 239000005388 borosilicate glass Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910017107 AlOx Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003370 grooming effect Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/02168—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the solar cells
-
- 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
- H01L31/04—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 adapted as photovoltaic [PV] conversion devices
- H01L31/06—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 adapted as photovoltaic [PV] conversion devices characterised by potential barriers
-
- 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
- H01L31/186—Particular post-treatment for the devices, e.g. annealing, impurity gettering, short-circuit elimination, recrystallisation
- H01L31/1868—Passivation
-
- 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
Definitions
- the above-mentioned solar cell has applied the above-mentioned passivation contact structure of the present invention on its front or back side, wherein the transparent conductive film has high light transmittance, and is used in combination with the tunneling layer. Compared with traditional solar cells using polysilicon as a passivation layer, it also has the effect of reducing light absorption loss. But the present invention is not limited to the embodiment shown in Figure 2 and Figure 3, for example, in some embodiments of the present invention, the above-mentioned passivation contact structure can be used on the front and back of the solar cell, so that in different In the application scene, it can better provide passivation contact effect and effectively reduce light absorption loss.
- the rear passivation layer 27 and the passivation antireflection film 28 are opened using a laser.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (10)
- 一种用于太阳能电池的钝化接触结构,包括:隧穿层;透明导电膜,位于所述隧穿层上且与所述隧穿层接触;覆盖层,位于所述透明导电膜上;以及金属电极,穿过所述覆盖层而接触所述透明导电膜,所述金属电极的端面位于所述透明导电膜中。
- 如权利要求1所述的钝化接触结构,其特征在于,所述透明导电膜是第一掺杂类型的透明导电膜。
- 如权利要求1所述的钝化接触结构,其特征在于,还包括:衬底;第一掺杂类型的第一半导体层,位于所述衬底上,其中所述隧穿层位于所述第一半导体层上。
- 如权利要求2或3所述的钝化接触结构,其特征在于,所述第一掺杂类型为N型。
- 如权利要求1所述的钝化接触结构,其特征在于,所述隧穿层的厚度在0.5-3nm之间。
- 如权利要求1所述的钝化接触结构,其特征在于,所述透明导电膜的厚度在10-300nm之间。
- 如权利要求1所述的钝化接触结构,其特征在于,所述透明导电膜的材料为氧化锌,氧化锡,氧化钛其中的一种。
- 一种太阳能电池,包括如权利要求1-7任一项所述的钝化接触结构。
- 一种用于太阳能电池的钝化接触结构的制备方法,包括以下步骤:形成隧穿层;在所述隧穿层上形成透明导电膜;在所述透明导电膜上形成覆盖层;以及形成穿过所述覆盖层而接触所述透明导电膜的金属电极,所述金属电极的端面停留在所述透明导电膜中。
- 如权利要求9所述的方法,其特征在于,还包括:在衬底上形成第一掺杂类型的半导体层,其中所述隧穿层形成于所述半导体层上。
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CN113506832A (zh) * | 2021-08-05 | 2021-10-15 | 天合光能股份有限公司 | 钝化接触结构、其制备方法以及其应用的太阳能电池 |
CN114628534A (zh) * | 2022-03-14 | 2022-06-14 | 天合光能股份有限公司 | 钝化接触的太阳能电池和太阳能电池串 |
CN116454141B (zh) * | 2023-04-20 | 2024-01-19 | 江苏海洋大学 | 一种应用于晶硅太阳电池的透明导电钝化叠层薄膜及其制备方法 |
Citations (6)
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JP2005064014A (ja) * | 2003-08-11 | 2005-03-10 | Sharp Corp | 薄膜結晶太陽電池およびその製造方法 |
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CN114005888A (zh) * | 2021-12-30 | 2022-02-01 | 杭州晶宝新能源科技有限公司 | 一种太阳能电池及其制备方法 |
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JP2005064014A (ja) * | 2003-08-11 | 2005-03-10 | Sharp Corp | 薄膜結晶太陽電池およびその製造方法 |
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