A one-pot strategy to β–β methylene-bridged BODIPY oligomers with pronounced exciton coupling

BODIPY (boron dipyrromethenes) dyes serve as versatile platforms for optoelectronic and biomedical applications, owing to their outstanding photophysical properties and structural adaptability. Constructing BODIPY oligomers presents a powerful strategy to modulate their optical and electrochemical behavior through strong exciton coupling among chromophores. However, conventional synthetic routes, particularly for [Formula: see text]-carbon-bridged oligomers, are often multistep and typically yie