Process for the production of solar cells comprising a selective emitter

US8723340B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Werner Stockum · Reinheim, DE
• Oliver Doll · Dietzenbach, DE
• Ingo Koehler · Darmstadt, DE

Key dates

• Filing date: Oct 1, 2010
• Grant date: May 13, 2014
• Expiry date: Jan 14, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50

Abstract

The present invention relates to a process for the production of solar cells comprising a selective emitter using an improved etching-paste composition which has significantly improved selectivity for silicon layers.