Abstract: Co-assembled circularly polarized luminescence (CPL) materials based on achiral polymers have demonstrated great potential for applications in 3D displays, information encryption, and bioimaging. In recent years, strategies that employ noncovalent co-assembly between achiral polymers and chiral dopants have attracted increasing attention, as they enable a pronounced enhancement of the luminescence dissymmetry factor. Compared to intrinsically chiral CPL materials requiring covalent bonding of chiral groups, this strategy avoids complex molecular synthesis and offers advantages such as simplified preparation and scalability. This review provides a systematic overview of recent advances in achiral-polymer-based co-assembled circularly polarized luminescent materials. According to the chiral source, these systems are categorized into three types: co-assembly with chiral small molecules, co-assembly with chiral macromolecules, and co-assembly induced by chiral symmetry breaking. Particular emphasis is placed on their co-assembly mechanisms and structure-property relationships. In addition, recent progress in the practical implementation of these materials in optoelectronic devices is summarized, and the key challenges as well as future research directions are discussed. This review aims to offer valuable insights and guidance for the rational design and development of next-generation high-performance CPL materials.

Key words: Circularly polarized luminescence, Achiral polymer, Co-assembly, Luminescence dissymmetry factor, Noncovalent interaction