Described herein are novel light absorbing conjugated polymeric electron donor materials for organic photovoltaic devices and other applications. In one embodiment, the polymer structure comprises a conjugated electron rich donor unit with an imine functionality at the bridgehead position and a conjugated electron deficient unit in the polymer backbone arranged in an alternating fashion. Monomers suitable for making the polymers, and devices utilizing the polymers, are also disclosed.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
 This invention was made with United States government support under grant no. 8-448777-22405 from the Department of Energy. The government has certain rights in the invention.