Characterization of the nanosized porous structure of black Si solar cells fabricated via a screen printing process
A silicon(Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold(Au) nanoparticles on p-type Cz-Si(100).The average reflectivity from 300 to 1200 nm was less than 1.5%.Black Si solar cells were then fabricated using a conventional production proces...
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          | Published in | Journal of semiconductors Vol. 33; no. 6; pp. 43 - 46 | 
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| Main Author | |
| Format | Journal Article | 
| Language | English | 
| Published | 
          
        01.06.2012
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| Subjects | |
| Online Access | Get full text | 
| ISSN | 1674-4926 | 
| DOI | 10.1088/1674-4926/33/6/064007 | 
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| Abstract | A silicon(Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold(Au) nanoparticles on p-type Cz-Si(100).The average reflectivity from 300 to 1200 nm was less than 1.5%.Black Si solar cells were then fabricated using a conventional production process.The results reflected the output characteristics of the cells fabricated using different etching depths and emitter dopant profiles.Heavier dopants and shallower etching depths should be adopted to optimize the black Si solar cell output characteristics. The efficiency at the optimized etching time and dopant profile was 12.17%.However,surface passivation and electrode contact due to the nanosized porous surface structure are still obstacles to obtaining high conversion efficiency for the black Si solar cells. | 
    
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| AbstractList | A silicon (Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold (Au) nanoparticles on p-type Cz-Si (100). The average reflectivity from 300 to 1200 nm was less than 1.5%. Black Si solar cells were then fabricated using a conventional production process. The results reflected the output characteristics of the cells fabricated using different etching depths and emitter dopant profiles. Heavier dopants and shallower etching depths should be adopted to optimize the black Si solar cell output characteristics. The efficiency at the optimized etching time and dopant profile was 12.17%. However, surface passivation and electrode contact due to the nanosized porous surface structure are still obstacles to obtaining high conversion efficiency for the black Si solar cells. A silicon(Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold(Au) nanoparticles on p-type Cz-Si(100).The average reflectivity from 300 to 1200 nm was less than 1.5%.Black Si solar cells were then fabricated using a conventional production process.The results reflected the output characteristics of the cells fabricated using different etching depths and emitter dopant profiles.Heavier dopants and shallower etching depths should be adopted to optimize the black Si solar cell output characteristics. The efficiency at the optimized etching time and dopant profile was 12.17%.However,surface passivation and electrode contact due to the nanosized porous surface structure are still obstacles to obtaining high conversion efficiency for the black Si solar cells.  | 
    
| Author | 汤叶华 周春兰 王文静 周肃 赵彦 赵雷 李海玲 闫保军 陈静伟 费建明 曹红彬 | 
    
| AuthorAffiliation | Key Laboratory of Solar Thermal Energy and Photovoltaic System, Institute of Electrical Engineering, Chinese Academy ofSciences, Beijing 100190, China Graduate University of the Chinese Academy of Sciences, Beijing 100049, China Eoplly New Energy Technology Co., Ltd., Nantong 226602, China | 
    
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| Cites_doi | 10.1063/1.2204573 10.1063/1.3152244 10.1143/JJAP.46.3333 10.1016/j.solmat.2008.02.017 10.1002/pssr.200600064 10.1021/cr010350j 10.1002/(SICI)1521-3765(20000218)6:4<618::AID-CHEM618>3.0.CO;2-A 10.1016/j.solmat.2011.05.003 10.1063/1.1319191 10.1016/j.jcis.2005.06.051 10.1016/j.apsusc.2009.07.079 10.1063/1.3231438 10.1016/j.matchemphys.2005.06.046  | 
    
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| Notes | 11-5781/TN black silicon noble metal nanoparticles catalysis nanosized porous solar cells A silicon(Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold(Au) nanoparticles on p-type Cz-Si(100).The average reflectivity from 300 to 1200 nm was less than 1.5%.Black Si solar cells were then fabricated using a conventional production process.The results reflected the output characteristics of the cells fabricated using different etching depths and emitter dopant profiles.Heavier dopants and shallower etching depths should be adopted to optimize the black Si solar cell output characteristics. The efficiency at the optimized etching time and dopant profile was 12.17%.However,surface passivation and electrode contact due to the nanosized porous surface structure are still obstacles to obtaining high conversion efficiency for the black Si solar cells. ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23  | 
    
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| References | 11 Tsujino K (6) 2003; 2 12 13 16 17 18 Xiu Y (9) 2008; 9 Yuan H C (14) 2009 Nishioka K (15); 200 1 2 Sai H (3) 2007; 46 4 5 7 Nishioka K (8) 2007; 1059E 10  | 
    
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| Snippet | A silicon(Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold(Au) nanoparticles on p-type... A silicon (Si) surface with a nanosized porous structure was formed via simple wet chemical etching catalyzed by gold (Au) nanoparticles on p-type Cz-Si (100)....  | 
    
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| Title | Characterization of the nanosized porous structure of black Si solar cells fabricated via a screen printing process | 
    
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