Active materials for photoelectric devices and devices that use the materials

US8367798B2 · kind B2 · utility

Assignee

• The Regents of the University of California · US

Inventors

• Yang Yang · Parsippany, US
• Jianhui Hou · Chengdu, CN

Key dates

• Filing date: Sep 29, 2008
• Grant date: Feb 5, 2013
• Expiry date: Sep 29, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/549
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A conjugated polymer has a repeated unit having the structure of formula (I)wherein A1, A2, R1 and R2 are independently selected from the group consisting of a proton, an alkyl group comprising up to 18 carbon atoms, an alkoxy group comprising up to 18 carbon atoms, cyano, nitro, aryls and substituted aryls, and wherein Ar is selected from the group consisting of ethenylene, ethynylene, monocyclic arylene, bicyclic arylene, polycyclic arylene, monocyclic heteroarylene, bicyclic heteroarylene, polycyclic heteroarylene, and one to five such groups one of fused or linked.