Doped photovoltaic semiconductor layers and methods of making

US11158749B2 · kind B2 · utility

Assignee

• First Solar, Inc. · US

Inventors

• Sachit Grover · Campbell, US
• Stuart Irvine · Hope, GB
• Xiaoping Li · Lo Wu, CN
• Roger Malik · Summit, US
• Shahram Seyedmohammadi · Perrysburg, US
• Gang Xiong · Beaverton, US
• Wei Zhang · Nanjing, CN

Key dates

• Filing date: Feb 22, 2018
• Grant date: Oct 26, 2021
• Expiry date: Aug 7, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/543

Abstract

Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.