CN104319294A - 改进的镀氮化硅减反射膜方法 - Google Patents
改进的镀氮化硅减反射膜方法 Download PDFInfo
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- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 18
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007747 plating Methods 0.000 title claims abstract description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 14
- 230000003287 optical effect Effects 0.000 description 7
- 239000006117 anti-reflective coating Substances 0.000 description 5
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- 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
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- 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
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- 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
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
本发明公开了一种改进的镀氮化硅减反射膜方法,本发明通过改变现有镀氮化硅的工艺参数,能够进一步改善氮化硅薄膜的均匀性,从而提高太阳能电池片的电性能。
Description
技术领域
本发明涉及一种减反射膜的加工方式,特别涉及一种改进的镀氮化硅减反射膜方法。
背景技术
减反射膜,又称增透膜,它的主要功能是减少或消除透镜、棱镜、平面镜等光学表面的反射光,从而增加这些元件的透光量,减少或消除系统的杂散光。
最简单的增透膜是单层膜,它是镀在光学零件光学表面上的一层折射率较低的薄膜。如果膜层的光学厚度是某一波长的四分之一,相邻两束光的光程差恰好为π,即振动方向相反,叠加的结果使光学表面对该波长的反射光减少。适当选择膜层折射率,这时光学表面的反射光可以完全消除。
一般情况下,采用单层增透膜很难达到理想的增透效果,为了在单波长实现零反射,或在较宽的光谱区达到好的增透效果,往往采用双层、三层甚至更多层数的减反射膜。
在减反射膜应用于太阳能电池片生产技术中,现有沉积减反射膜技术存在改进空间,氮化硅薄膜的均匀性还可以进一步改善。
发明内容
为了克服上述缺陷,本发明提供了一种进一步提高氮化硅薄膜的均匀性,从而提高太阳能电池片的电性能的改进的镀氮化硅减反射膜方法。
本发明为了解决其技术问题所采用的技术方案是:一种改进的镀氮化硅减反射膜方法,包括以下步骤:
1)向炉管内充氮气,将插有硅片的石墨舟放进该炉管;
2)保持炉内温度c1=455-465摄氏度,时间至少为20分钟;
3)进行压力测试,保证压力恒定;
4)氨气吹扫及预沉积,温度为c1,氨气体积为4-5L,射频功率为3000-4000W,时间为100-200s;
5)依次进行三次沉积,各次沉积温度一次下降预设度数c2,c2=5-10摄氏度,其他工艺参数为:氨气流量为4500-5500sccm,硅烷流量为350-600sccm,射频功率为3000-4000W,持续时间为350-400s,占空比为1:15,压强为180-220pa;
6)镀氮化硅减反射膜过程结束,依次进行抽真空、压力测试、循环吹扫及充氮气后,将所述石墨舟出炉。
作为本发明的进一步改进,所述炉管为48所管式。
本发明的有益效果是:本发明通过改变现有镀氮化硅的工艺参数,能够进一步改善氮化硅薄膜的均匀性,从而提高太阳能电池片的电性能。
附图说明
图1为本发明工艺流程示意图。
具体实施方式
为了加深对本发明的理解,下面将结合实施例和附图对本发明作进一步详述,该实施例仅用于解释本发明,并不构成对本发明保护范围的限定。
图1示出了本发明一种改进的镀氮化硅减反射膜方法的一种实施方式,包括以下步骤:
1)向炉管内充氮气,将插有硅片的石墨舟放进该炉管;
2)保持炉内温度c1=455摄氏度,时间至少为20分钟;
3)进行压力测试,保证压力恒定;
4)氨气吹扫及预沉积,温度为c1,氨气体积为4L,射频功率为3000W,时间为200s;
5)依次进行三次沉积,各次沉积温度一次下降预设度数c2,c2=5摄氏度,其他工艺参数为:氨气流量为4500sccm,硅烷流量为350sccm,射频功率为4000W,持续时间为400s,占空比为1:15,压强为220pa;
6)镀氮化硅减反射膜过程结束,依次进行抽真空、压力测试、循环吹扫及充氮气后,将所述石墨舟出炉。
所述炉管为48所管式。
Claims (2)
1.一种改进的镀氮化硅减反射膜方法,其特征在于:包括以下步骤:
1)向炉管内充氮气,将插有硅片的石墨舟放进该炉管;
2)保持炉内温度c1=455-465摄氏度,时间至少为20分钟;
3)进行压力测试,保证压力恒定;
4)氨气吹扫及预沉积,温度为c1,氨气体积为4-5L,射频功率为3000-4000W,时间为100-200s;
5)依次进行三次沉积,各次沉积温度一次下降预设度数c2,c2=5-10摄氏度,其他工艺参数为:氨气流量为4500-5500sccm,硅烷流量为350-600sccm,射频功率为3000-4000W,持续时间为350-400s,占空比为1:15,压强为180-220pa;
6)镀氮化硅减反射膜过程结束,依次进行抽真空、压力测试、循环吹扫及充氮气后,将所述石墨舟出炉。
2.根据权利要求1所述的改进的镀氮化硅减反射膜方法,其特征在于:所述炉管为48所管式。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108987490A (zh) * | 2018-07-18 | 2018-12-11 | 国家电投集团西安太阳能电力有限公司 | 太阳能电池湿法刻蚀氧化后表层清洁的处理方法 |
CN110670046A (zh) * | 2019-10-09 | 2020-01-10 | 浙江正泰太阳能科技有限公司 | 一种太阳能电池的制备方法及太阳能电池 |
CN111218673A (zh) * | 2019-12-03 | 2020-06-02 | 中节能太阳能科技(镇江)有限公司 | 一种解决石墨舟镀膜工艺中膜厚异常的方法及石墨舟镀膜工艺方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102185012A (zh) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | 镀氮化硅减反射膜的方法 |
US20120012175A1 (en) * | 2010-07-19 | 2012-01-19 | Samsung Electronics Co., Ltd. | Solar cell and manufacturing method thereof |
CN102339872A (zh) * | 2011-09-28 | 2012-02-01 | 湖南红太阳新能源科技有限公司 | 一种晶体硅太阳能电池多层氮化硅减反射膜及其制备方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20120012175A1 (en) * | 2010-07-19 | 2012-01-19 | Samsung Electronics Co., Ltd. | Solar cell and manufacturing method thereof |
CN102185012A (zh) * | 2010-12-02 | 2011-09-14 | 江阴浚鑫科技有限公司 | 镀氮化硅减反射膜的方法 |
CN102339872A (zh) * | 2011-09-28 | 2012-02-01 | 湖南红太阳新能源科技有限公司 | 一种晶体硅太阳能电池多层氮化硅减反射膜及其制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108987490A (zh) * | 2018-07-18 | 2018-12-11 | 国家电投集团西安太阳能电力有限公司 | 太阳能电池湿法刻蚀氧化后表层清洁的处理方法 |
CN108987490B (zh) * | 2018-07-18 | 2020-04-14 | 国家电投集团西安太阳能电力有限公司 | 太阳能电池湿法刻蚀氧化后表层清洁的处理方法 |
CN110670046A (zh) * | 2019-10-09 | 2020-01-10 | 浙江正泰太阳能科技有限公司 | 一种太阳能电池的制备方法及太阳能电池 |
CN111218673A (zh) * | 2019-12-03 | 2020-06-02 | 中节能太阳能科技(镇江)有限公司 | 一种解决石墨舟镀膜工艺中膜厚异常的方法及石墨舟镀膜工艺方法 |
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