Visible-light-excitable aqueous afterglow exhibiting long emission wavelength and ultralong afterglow lifetime of 7.64 s
Xiangxiang Zhai, Ying Zeng, Xinjian Deng, Qianqian Lou, Aizhi Cao, L. Ji, Qianqian Yan, Biaobing Wang, Kaka Zhang
Abstract
We utilize the dopant-matrix strategy and emulsion polymerization to obtain aqueous afterglow dispersions from a liquid precursor, which avoids the processing of solid materials, protects organic triplets and achieves long phosphorescence lifetime of 7.64 s. The aqueous afterglow dispersions display great potential for biomedical applications due to their ultralong-lived excited states.
Topics & Concepts
AfterglowWavelengthAqueous solutionMaterials scienceOpticsPhotochemistryOptoelectronicsChemistryPhysicsAstrophysicsGamma-ray burstPhysical chemistryPhotoreceptor and optogenetics researchLuminescence and Fluorescent MaterialsRandom lasers and scattering media