From metallurgical-grade to solar-grade silicon: an overview

The non-renewable nature of fossil fuels as an energy source means its future availability is a cause for concern. The world’s energy demand is ever increasing and there is a growing interest in finding alternative renewable, environmentally benign and cheap energy sources like solar energy. This ha...

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Main Author: Chigondo, Fidelis
Format: Article
Language:English
Published: Springer Verlag 2019
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Online Access:https://link.springer.com/article/10.1007/s12633-016-9532-7
http://hdl.handle.net/11408/3460
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author Chigondo, Fidelis
author_facet Chigondo, Fidelis
author_sort Chigondo, Fidelis
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description The non-renewable nature of fossil fuels as an energy source means its future availability is a cause for concern. The world’s energy demand is ever increasing and there is a growing interest in finding alternative renewable, environmentally benign and cheap energy sources like solar energy. This has resulted in the shortage of silicon feedstock for the photovoltaic industry. This is mainly due to the non-availability of a dedicated solar silicon production and the growing demand for silicon feedstock. There has been tremendous research in a quest to develop methods for the production of solar-grade silicon in a cheap and environmentally friendly way. The metallurgical and chemical routes for the production of solar-grade silicon from metallurgical-grade silicon have evolved. The chemical methods are the most researched ones and they are mostly preferred than the metallurgical ones since the former are capable of producing silicon of higher purity. This review discusses some of the available methods so far for the production of solar-grade silicon using metallurgical-grade silicon as a starting material.
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spelling ir-11408-34602022-06-27T13:49:06Z From metallurgical-grade to solar-grade silicon: an overview Chigondo, Fidelis Metallurgical-grade silicon Metallurgical methods Chemical methods The non-renewable nature of fossil fuels as an energy source means its future availability is a cause for concern. The world’s energy demand is ever increasing and there is a growing interest in finding alternative renewable, environmentally benign and cheap energy sources like solar energy. This has resulted in the shortage of silicon feedstock for the photovoltaic industry. This is mainly due to the non-availability of a dedicated solar silicon production and the growing demand for silicon feedstock. There has been tremendous research in a quest to develop methods for the production of solar-grade silicon in a cheap and environmentally friendly way. The metallurgical and chemical routes for the production of solar-grade silicon from metallurgical-grade silicon have evolved. The chemical methods are the most researched ones and they are mostly preferred than the metallurgical ones since the former are capable of producing silicon of higher purity. This review discusses some of the available methods so far for the production of solar-grade silicon using metallurgical-grade silicon as a starting material. 2019-03-06T09:04:01Z 2019-03-06T09:04:01Z 2018 Article 1876-990X https://link.springer.com/article/10.1007/s12633-016-9532-7 http://hdl.handle.net/11408/3460 en Silicon;Vol. 10; No. 3: p. 789–798 open Springer Verlag
spellingShingle Metallurgical-grade silicon
Metallurgical methods
Chemical methods
Chigondo, Fidelis
From metallurgical-grade to solar-grade silicon: an overview
title From metallurgical-grade to solar-grade silicon: an overview
title_full From metallurgical-grade to solar-grade silicon: an overview
title_fullStr From metallurgical-grade to solar-grade silicon: an overview
title_full_unstemmed From metallurgical-grade to solar-grade silicon: an overview
title_short From metallurgical-grade to solar-grade silicon: an overview
title_sort from metallurgical-grade to solar-grade silicon: an overview
topic Metallurgical-grade silicon
Metallurgical methods
Chemical methods
url https://link.springer.com/article/10.1007/s12633-016-9532-7
http://hdl.handle.net/11408/3460
work_keys_str_mv AT chigondofidelis frommetallurgicalgradetosolargradesiliconanoverview