Conjugated polymers

US9048433B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Nicolas Blouin · Darmstadt, DE
• Steven Tierney · Southampton, GB
• William Mitchell · Chandler's Ford, GB
• Miguel Carrasco-Orozco · Winchester, GB

Key dates

• Filing date: Nov 17, 2011
• Grant date: Jun 2, 2015
• Expiry date: May 18, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to novel polymers containing one or more thieno[3,2-b]thiophene-2,5-dione and/or furo[3,2-b]furan-2,5-dionerepeating units or their thioketone derivatives, monomers and methods for their preparation, their use as semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices, and to OE and OPV devices comprising these polymers.