Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts
We investigate the impact of the surface morphology on the contact properties of phosphorus doped poly-Si layers. If the poly-Si layer on a textured surface remains intact after high-temperature metallization using a fire-through (FT) silver (Ag) paste, the J0,metal is not expected to increase sign...
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| Format: | Article |
| Language: | English |
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TIB Open Publishing
2025-01-01
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| Series: | SiliconPV Conference Proceedings |
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| Online Access: | https://www.tib-op.org/ojs/index.php/siliconpv/article/view/1295 |
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| author | Pradeep Padhamnath John Derek D. Arcebal Sagnik Dasgupta Gabby De Luna Ajeet Rohatgi Armin G. Aberle |
| author_facet | Pradeep Padhamnath John Derek D. Arcebal Sagnik Dasgupta Gabby De Luna Ajeet Rohatgi Armin G. Aberle |
| author_sort | Pradeep Padhamnath |
| collection | DOAJ |
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We investigate the impact of the surface morphology on the contact properties of phosphorus doped poly-Si layers. If the poly-Si layer on a textured surface remains intact after high-temperature metallization using a fire-through (FT) silver (Ag) paste, the J0,metal is not expected to increase significantly while the specific contact resistivity can improve with a textured surface. The contact properties of the FT Ag contacts to n+ poly-Si deposited on both textured and planar surfaces are investigated by measuring and evaluating ρc and J0,metal. The reasons for differences in contact resistance and recombination are further investigated with SEM imaging. Solar cells with n-type polysilicon based passivating contacts on the rear side are fabricated and characterized. The scientific approach used, and the insights presented in this work, help to understand the mechanisms and behavior of screen-printed and fired-through contacts to polysilicon layers deposited onto textured silicon surfaces.
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| format | Article |
| id | doaj-art-4a2f84844f8e48679d120c50e8bf24c2 |
| institution | Kabale University |
| issn | 2940-2123 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | TIB Open Publishing |
| record_format | Article |
| series | SiliconPV Conference Proceedings |
| spelling | doaj-art-4a2f84844f8e48679d120c50e8bf24c22025-01-25T09:51:48ZengTIB Open PublishingSiliconPV Conference Proceedings2940-21232025-01-01210.52825/siliconpv.v2i.1295Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating ContactsPradeep Padhamnath0https://orcid.org/0000-0002-0251-0624John Derek D. Arcebal1https://orcid.org/0009-0009-4671-8281Sagnik Dasgupta2https://orcid.org/0000-0003-3539-2481Gabby De Luna3https://orcid.org/0009-0004-3078-3082Ajeet Rohatgi4Armin G. Aberle5https://orcid.org/0000-0003-0456-2070National University of SingaporeNational University of SingaporeGeorgia Institute of TechnologyNational University of Singapore Georgia Institute of TechnologyNational University of Singapore We investigate the impact of the surface morphology on the contact properties of phosphorus doped poly-Si layers. If the poly-Si layer on a textured surface remains intact after high-temperature metallization using a fire-through (FT) silver (Ag) paste, the J0,metal is not expected to increase significantly while the specific contact resistivity can improve with a textured surface. The contact properties of the FT Ag contacts to n+ poly-Si deposited on both textured and planar surfaces are investigated by measuring and evaluating ρc and J0,metal. The reasons for differences in contact resistance and recombination are further investigated with SEM imaging. Solar cells with n-type polysilicon based passivating contacts on the rear side are fabricated and characterized. The scientific approach used, and the insights presented in this work, help to understand the mechanisms and behavior of screen-printed and fired-through contacts to polysilicon layers deposited onto textured silicon surfaces. https://www.tib-op.org/ojs/index.php/siliconpv/article/view/1295Passivating ContactsPolysiliconMetallization |
| spellingShingle | Pradeep Padhamnath John Derek D. Arcebal Sagnik Dasgupta Gabby De Luna Ajeet Rohatgi Armin G. Aberle Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts SiliconPV Conference Proceedings Passivating Contacts Polysilicon Metallization |
| title | Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts |
| title_full | Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts |
| title_fullStr | Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts |
| title_full_unstemmed | Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts |
| title_short | Investigation of Contact Properties and Device Performance for Bifacial Double-Side Textured Silicon Solar Cells With Polysilicon Based Passivating Contacts |
| title_sort | investigation of contact properties and device performance for bifacial double side textured silicon solar cells with polysilicon based passivating contacts |
| topic | Passivating Contacts Polysilicon Metallization |
| url | https://www.tib-op.org/ojs/index.php/siliconpv/article/view/1295 |
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