Anion–π interaction guided switchable TADF and low-temperature phosphorescence in phosphonium salts for multiplexed anti-counterfeiting
Jun‐Hua Wei, Yao Xiao, Jianbin Luo, Zi‐Lin He, Jing-Hua Chen, Qing-Peng Peng, Dai‐Bin Kuang
Abstract
A class of host–guest phosphonium salts with bright blue TADF emission was prepared through rational molecular design, where the anion–π + stacking in the solid state plays a vital role in the population of the triplet state.
Topics & Concepts
PhosphoniumPhosphorescenceIonChemistryPhotochemistryMultiplexingMaterials scienceCombinatorial chemistryPolymer chemistryOrganic chemistryFluorescenceComputer scienceTelecommunicationsPhysicsQuantum mechanicsLuminescence and Fluorescent MaterialsOrganic Light-Emitting Diodes ResearchCatalytic Cross-Coupling Reactions