Method for the preparation of high purity silicon
A method of forming high-purity elemental silicon is disclosed. The method includes the step of heating a silica gel composition, or an intermediate composition derived from a silica gel composition, wherein the silica gel composition or intermediate composition includes at least about 5% by weight...
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| creator | LEMAN JOHN THOMAS MENDICINO FRANK DOMINIC MCNULTY THOMAS FRANCIS LOU VICTOR LIENKONG HEINRICH VAN DONGEREN JOHAN LEWIS LARRY NEIL D. EVELYN MARK PHILIP SHUBA ROMAN |
| description | A method of forming high-purity elemental silicon is disclosed. The method includes the step of heating a silica gel composition, or an intermediate composition derived from a silica gel composition, wherein the silica gel composition or intermediate composition includes at least about 5% by weight carbon, and the heating temperature is above about 1550 DEG C. The heating step results in the production of a product which includes elemental silicon. Another aspect of the invention relates to a method for making a photovoltaic cell. The method includes the step of forming a semiconductor substrate from elemental silicon prepared as described in this disclosure. Additional steps are then undertaken to fabricate the photovoltaic device. |
| format | Patent |
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EVELYN MARK PHILIP ; SHUBA ROMAN</creator><creatorcontrib>LEMAN JOHN THOMAS ; MENDICINO FRANK DOMINIC ; MCNULTY THOMAS FRANCIS ; LOU VICTOR LIENKONG ; HEINRICH VAN DONGEREN JOHAN ; LEWIS LARRY NEIL ; D. EVELYN MARK PHILIP ; SHUBA ROMAN</creatorcontrib><description>A method of forming high-purity elemental silicon is disclosed. The method includes the step of heating a silica gel composition, or an intermediate composition derived from a silica gel composition, wherein the silica gel composition or intermediate composition includes at least about 5% by weight carbon, and the heating temperature is above about 1550 DEG C. The heating step results in the production of a product which includes elemental silicon. Another aspect of the invention relates to a method for making a photovoltaic cell. The method includes the step of forming a semiconductor substrate from elemental silicon prepared as described in this disclosure. Additional steps are then undertaken to fabricate the photovoltaic device.</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS THEREOF ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; SEMICONDUCTOR DEVICES</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100929&DB=EPODOC&CC=CN&NR=101848862A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100929&DB=EPODOC&CC=CN&NR=101848862A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LEMAN JOHN THOMAS</creatorcontrib><creatorcontrib>MENDICINO FRANK DOMINIC</creatorcontrib><creatorcontrib>MCNULTY THOMAS FRANCIS</creatorcontrib><creatorcontrib>LOU VICTOR LIENKONG</creatorcontrib><creatorcontrib>HEINRICH VAN DONGEREN JOHAN</creatorcontrib><creatorcontrib>LEWIS LARRY NEIL</creatorcontrib><creatorcontrib>D. 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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS SEMICONDUCTOR DEVICES |
| title | Method for the preparation of high purity silicon |
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