Novel, yellow-emitting anthracene/fluorene oligomers: synthesis and characterization

A novel series of highly soluble and strongly yellow fluorescent with well-controlled, alternative anthracene, and fluorene units were successfully synthesized by a Pd/Cu-catalyzed Sonogashira coupling reaction and characterized. Their thermal stabilities, electrochemical behaviors, and photophysical properties were investigated. These oligomers might be used as models to study structure–property relationship for their corresponding polymers and applied in optoelectronics devices as materials themselves.