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 PDF

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CN104319294A
CN104319294A CN201410609489.2A CN201410609489A CN104319294A CN 104319294 A CN104319294 A CN 104319294A CN 201410609489 A CN201410609489 A CN 201410609489A CN 104319294 A CN104319294 A CN 104319294A
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silicon nitride
reflecting film
boiler tube
ammonia
nitride anti
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尚修鑫
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Suzhou PTC Optical Instrument Co Ltd
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Suzhou PTC Optical Instrument Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/02Details
    • H01L31/0216Coatings
    • H01L31/02161Coatings for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02167Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
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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

改进的镀氮化硅减反射膜方法
 
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。
CN201410609489.2A 2014-11-04 2014-11-04 改进的镀氮化硅减反射膜方法 Pending CN104319294A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20150128