Organic photovoltaic cells

US8178779B2 · kind B2 · utility

Assignee

• KONARKA TECHNOLOGIES, INC. · US

Inventors

• Jin-An He · North Chelmsford, US
• Russell Gaudiana · Merrimack, US
• David P. Waller · Lexington, US
• Lian Wang · Zhuolan Township, TW
• Srini Balasubramanian · Westford, US
• Jeremiah Mwaura · Andover, US
• Christoph Brabec · Nuremberg, DE

Key dates

• Filing date: Oct 29, 2008
• Grant date: May 15, 2012
• Expiry date: Jan 31, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549

Abstract

This disclosure relates to a photovoltaic cell containing first and second electrodes, a photoactive layer between the first and second electrodes, and a hole transport layer between the first electrode and the photoactive layer. The hole transport layer consists of an ionic copolymer.