Near-infrared light-controlled circularly polarized luminescence of self-organized emissive helical superstructures assisted by upconversion nanoparticles
Ao Juan, Hao Sun, Jinghui Qiao, Jinbao Guo
Abstract
A near-infrared light-driven self-organized emissive helical superstructure was constructed by doping a new chiral fluorescent photoswitch and upconversion nanoparticles (UCNPs) into a nematic LC. The reversible switching of circularly polarized luminescence (CPL) can be achieved by modulating the power intensity of the 980 nm NIR excitation light.
Topics & Concepts
LuminescenceMaterials sciencePhotoswitchPhoton upconversionNanoparticleFluorescenceOptoelectronicsInfraredPhosphorExcitationCircular polarizationDopingSuperstructureOpticsPhotochemistryNanotechnologyChemistryOceanographyEngineeringGeologyElectrical engineeringPhysicsMicrostripSynthesis and Properties of Aromatic CompoundsLuminescence and Fluorescent MaterialsPolydiacetylene-based materials and applications