Recent advances in circularly polarized luminescence of chiral rare earth nanomaterials
Circularly polarized luminescence(CPL)represents a distinctive optical phenomenon where chiral materials emit either left-handed or right-handed circularly polarized light upon excitation.This property finds applications in fields such as quantum computing,information encryption,and three-dimensional displays.As advancements in nanoscience and technology,chiral rare earth nanomaterials exhibiting CPL properties have garnered considerable attention for their exceptional optical stability and substantial potential for practical applications.This review comprehensively discusses the latest advances in chiral rare earth nanomaterials.It begins with an overview of the spectral characteristics of rare earth elements and the early research on chiral rare earth complexes.The review then details the construction methods for chiral rare earth nanomaterials with CPL properties,highlighting the role of chiral structures in modulating CPL properties during synthesis.Utilizing host-guest strategies,this review also summarizes how the selection of rare earth luminescent guests and chiral hosts can enhance CPL properties.Finally,it discusses the challenges within the field of rare earth nanomaterials with CPL and looks forward to future applications of these materials in various technological areas.
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