Abstract:

Circularly polarized luminescence (CPL) is the emission of light with preferential right- or left-polarization states. CPL has emerged as a next-generation light source since the added chiral optical information presents unique opportunities to enhance optical displays, bio-imaging, and security features for banknotes and identification documents. Synthetic designs and strategies towards producing molecules capable of emitting strong CPL will be discussed. Bright CPL-emitting lanthanide-based complexes will be presented, as well as some rare examples of base-metal-based CPL-emitting molecules. Finally, we will show that CPL can be extended in the near-infrared, especially in the critical telecom-C band.