Nanoscale crystalline silicon powder

US7927570B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Markus Pridoehl · Großkrotzenburg, DE
• Paul Roth · Cincinnati, US
• Hartmut Wiggers · Reken, DE
• Frank-Martin Petrat · Munster, DE
• Michael Kraemer · Nidderau, DE

Key dates

• Filing date: Jul 2, 2010
• Grant date: Apr 19, 2011
• Expiry date: Jul 2, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

An aggregated crystalline silicon powder with a BET surface area of 20 to 150 m2/g is provided. The aggregated crystalline silicon may be doped with a doping component and can be used to produce electronic components.