Abstract
Realizing multi-mode programmable dynamic tunable persistent luminescence within a single solid is promising for multi-dimensional information storage and encryption applications. However, coupling luminescent centers with differentiated defect states remains a challenge. Here we report transparent glass ceramics that exhibit photo/thermally dynamic tunable afterglow. A lithium-ion doping-assisted phase separation principle is developed to control the precipitation of defective non-stoichiometric nanocrystals (Zn1.7SiO4: Li) in glass matrix, constructing a biphasic microenvironment with differentiated defect states. The persistent luminescence color can be manipulated by simultaneously engineering the distributions of Mn2+ activators in the amorphous glass matrix and nanocrystals, and the mechanism is discussed. The developed transparent composites exhibit excellent hardness of up to 10 gigapascal and high thermal stability, which is applicable for harsh conditions. This work pioneers a strategy for modulating dynamic afterglow in a single solid and inspires more potential applications in muti-dimensional information storage and encryption.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China under Grant No. 62275233 (D.T), the Zhejiang Provincial Natural Science Foundation of China under Grant No. LR25E020002 (D.T) and No. LDG25F050001 (D.T. & J.Q.) and the Opening Project of State Key Laboratory of Advanced Glass Materials (D.T.). The authors gratefully acknowledge Zhejiang Lab for providing the instrumentation used in this study.
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W.Y. performed the experiments, collected the data, and wrote the initial manuscript. L.X., R.C., S.K. and Q.J. discussed the manuscript. T.D. conceived the idea, organized and supervised the project, interpreted the results, and revised the manuscript.
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Nature Communications thanks Yixi Zhuang, Yuansheng Wang, who co-reviewed with Hang Lin, and the other anonymous reviewer(s) for their contribution to the peer review of this work. A peer review file is available.
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Wu, Y., Li, X., Ruan, C. et al. Tough transparent glass ceramics for muti-mode programmable dynamic tunable persistent luminescence via phase engineering. Nat Commun (2026). https://doi.org/10.1038/s41467-026-69202-9
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DOI: https://doi.org/10.1038/s41467-026-69202-9


