Method of producing a thin film solar cell having a n-i-p structure

US4931412A · kind A · utility

Assignee

• Licentia Patent-Verwaltungs-GmbH · DE

Inventors

• Roland Fischer · Bochum, DE
• Gerhard Grabe · Roßdorf, DE
• Ekkehard Niemann · Maintal, DE

Key dates

• Filing date: Jun 21, 1988
• Grant date: Jun 5, 1990
• Expiry date: Jun 21, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/548

Abstract

A thin film solar cell with an n-i-p structure has roughened substrate surface and to achieve an improved fill factor, the substrate surface of the solar cell is a multiply concave surface and has no sharp points.