| Bismuth-catalyzed and doped silicon nanowires for one-pump-down fabrication of radial junction solar cells. | |
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MedLine Citation:
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PMID: 22822909 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Silicon nanowires (SiNWs) are becoming a popular choice to develop a new generation of radial junction solar cells. We here explore a bismuth (Bi)-catalyzed growth and doping of SiNWs, via vapor-liquid-solid (VLS) mode, to fabricate amorphous Si radial n-i-p junction solar cells in a one-pump-down and low-temperature process in a single chamber plasma deposition system. We provide the first evidence that catalyst doping in the SiNW cores, caused by incorporating Bi catalyst atoms as n-type dopant, can be utilized to fabricate radial junction solar cells, with a record open circuit voltage of Voc=0.76 V and an enhanced light trapping effect that boosts the short circuit current to Jsc=11.23 mA/cm2. More importantly, this Bi-catalyzed SiNW growth and doping strategy exempts the use of extremely toxic phosphine gas, leading to significant procedure simplification and cost reduction for building radial junction thin film solar cells. |
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Authors:
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Linwei Yu; Franck Fortuna; Benedict O'Donnell; Taewoo Jeon; Martin Foldyna; Gennaro Picardi; Pere Roca I Cabarrocas |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-23 |
Journal Detail:
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Title: Nano letters Volume: - ISSN: 1530-6992 ISO Abbreviation: - Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-7-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088070 Medline TA: Nano Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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