Effect of pellet size and additive on silica carbothermic reduction in microwave furnace for solar grade silicon

• Autorzy: Cherif Fillali , Ahmed Ilyes Baba , Abderrahmane Abdelkader , Hamzaoui Saad

Identyfikatory

DOI

10.2478/msp-2019-0014

• Języki publikacji: EN

Abstrakty

EN

Silicon as a raw material for solar cells can be produced by numerous methods. The carbothermic reduction of silica using electric arc furnace is the most widely used process in silicon industry. This paper presents a new approach to produce solar grade silicon using microwave furnace. Pellets of different sizes were prepared from a mixture of silica and carbon using water and polyvinyl alcohol as binder agents. Raman spectra indicated a peak at about 515 cm⁻¹ attributed to silicon in the pellets prepared with polyvinyl alcohol, and peaks at about 523 cm⁻¹ and 794 cm⁻¹ attributed to silicon and silicon carbide, in the pellets prepared with water. The pellet size affects the absorption of microwave energy emitted from the magnetrons. Polyvinyl alcohol as a binder agent is promising for the production of silicon using microwave furnace.

Słowa kluczowe

EN

microwave furnace; carbon; silica; solar grade silicon; solar cells

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2019
• Tom: Vol. 37, No. 1
• Strony: 122--126
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Cherif Fillali

• Département de Technologie des Matériaux, Faculté de physique, Université des Sciences et 0de la Technologie d’Oran Mohamed Boudiaf, BP 1505 Oran (31000), Algérie
• Laboratoire de Microscopie Electronique et Sciences des Matériaux, Université des Sciences et de la Technologie d’Oran Mohamed Boudiaf, BP 1505 Oran (31000), Algérie

autor

Ahmed Ilyes Baba

• Département de Physique, Faculté Des Sciences, Université Saad Dahlab Blida1, BP 270 Blida (09000), Algérie

autor

Abderrahmane Abdelkader

• Laboratoire de Microscopie Electronique et Sciences des Matériaux, Université des Sciences et de la Technologie d’Oran Mohamed Boudiaf, BP 1505 Oran (31000), Algérie
• Division Microélectronique et Nanotechnologie, Centre de Développement des Technologies Avancées, Cité 20 août 1956 Baba Hassen, Alger (16000), Algérie

autor

Hamzaoui Saad

• Département de Technologie des Matériaux, Faculté de physique, Université des Sciences et 0de la Technologie d’Oran Mohamed Boudiaf, BP 1505 Oran (31000), Algérie
• Laboratoire de Microscopie Electronique et Sciences des Matériaux, Université des Sciences et de la Technologie d’Oran Mohamed Boudiaf, BP 1505 Oran (31000), Algérie

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).