Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field
The aim of this work is to present the development and comparison of thin n+pp+ industrial bifacial silicon solar cells produced with the local screen-printed Al back surface field (BSF) to those with the selective BSF doped with aluminum-boron. To produce solar cells with selective BSF, the boron d...
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| Format: | Article |
| Language: | English |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2014-09-01
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| Series: | Materials Research |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392014000500028&tlng=en |
| _version_ | 1818974842667401216 |
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| author | Adriano Moehlecke Vanessa da Conceição Osório Izete Zanesco |
| author_facet | Adriano Moehlecke Vanessa da Conceição Osório Izete Zanesco |
| author_sort | Adriano Moehlecke |
| collection | DOAJ |
| description | The aim of this work is to present the development and comparison of thin n+pp+ industrial bifacial silicon solar cells produced with the local screen-printed Al back surface field (BSF) to those with the selective BSF doped with aluminum-boron. To produce solar cells with selective BSF, the boron diffusion based on spin-on dopant was introduced in the process sequence. The thin SiO2 layer (10 nm) thermally grown did not produce good passivation on the rear face and wafers were contaminated during aluminum diffusion in the belt furnace. The implementation of selectively doped BSF improved the efficiency by reflecting minority charge carriers and the wafer contamination by belt furnace was compensated by boron diffusion. The bifacial solar cells with B-Al selective BSF achieved an efficiency of 13.7% / 8.9% (front / rear illumination) and presented lower sensitivity to the belt furnace processing and to the quality of the rear surface passivation. |
| first_indexed | 2024-12-20T15:46:29Z |
| format | Article |
| id | doaj.art-9254164f09884ad893859f62c607342f |
| institution | Directory Open Access Journal |
| issn | 1516-1439 |
| language | English |
| last_indexed | 2024-12-20T15:46:29Z |
| publishDate | 2014-09-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj.art-9254164f09884ad893859f62c607342f2022-12-21T19:34:54ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392014-09-011751328133510.1590/1516-1439.294614Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface fieldAdriano Moehlecke0Vanessa da Conceição Osório1Izete Zanesco2Pontifícia Universidade Católica do Rio Grande do SulPontifícia Universidade Católica do Rio Grande do SulPontifícia Universidade Católica do Rio Grande do SulThe aim of this work is to present the development and comparison of thin n+pp+ industrial bifacial silicon solar cells produced with the local screen-printed Al back surface field (BSF) to those with the selective BSF doped with aluminum-boron. To produce solar cells with selective BSF, the boron diffusion based on spin-on dopant was introduced in the process sequence. The thin SiO2 layer (10 nm) thermally grown did not produce good passivation on the rear face and wafers were contaminated during aluminum diffusion in the belt furnace. The implementation of selectively doped BSF improved the efficiency by reflecting minority charge carriers and the wafer contamination by belt furnace was compensated by boron diffusion. The bifacial solar cells with B-Al selective BSF achieved an efficiency of 13.7% / 8.9% (front / rear illumination) and presented lower sensitivity to the belt furnace processing and to the quality of the rear surface passivation.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392014000500028&tlng=enthin solar cellsbifacial solar cellslocally diffused Al-BSFselective BSF |
| spellingShingle | Adriano Moehlecke Vanessa da Conceição Osório Izete Zanesco Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field Materials Research thin solar cells bifacial solar cells locally diffused Al-BSF selective BSF |
| title | Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| title_full | Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| title_fullStr | Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| title_full_unstemmed | Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| title_short | Analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| title_sort | analysis of thin bifacial silicon solar cells with locally diffused and selective back surface field |
| topic | thin solar cells bifacial solar cells locally diffused Al-BSF selective BSF |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392014000500028&tlng=en |
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