Publication date: 17th July 2025
Research on luminescent materials has advanced significantly over the past century, expanding from displays and lighting to interdisciplinary applications including information technology, biomedicine, aerospace, and energy/environment. Concurrently, luminescence mechanisms have been elucidated, and new regulation methods continue to emerge.
Luminescence regulation via crystal defect engineering is an emerging discipline investigating how lattice perturbation-induced structural distortions and thermodynamic changes affect luminescent properties (emission wavelength, excitation, lifetime). Defect states uniquely govern processes like solubility, diffusion, and distribution of luminescent centers, granting materials interacting with defects unprecedented potential.
Long-persistent luminescent materials exemplify this: lattice defects store photo-generated electrons, decoupling excitation and emission timelines. Their extended lifetime enables superior in vivo bioimaging with enhanced penetration depth, signal-to-noise ratio, and resolution compared to conventional fluorophores.This poster presents our group’s recent advances in lattice defect engineering for persistent luminescence regulation.
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