Ln-HOF Nanofiber Organogels with Time-Resolved Luminescence for Programmable 
and Reliable Encryption

Qiu, Xiaoyan; Yang, Xin; Guo, Quanquan; Liu, Jize; Zhang, Xinxing

doi:10.1021/acs.nanolett.3c04069

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Ln-HOF Nanofiber Organogels with Time-Resolved Luminescence for Programmable and Reliable Encryption

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Guo, Quanquan
Department of Synthetic Materials and Functional Devices (SMFD), Max Planck Institute of Microstructure Physics, Max Planck Society;

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https://doi.org/10.1021/acs.nanolett.3c04069
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Citation

Qiu, X., Yang, X., Guo, Q., Liu, J., & Zhang, X. (2023). Ln-HOF Nanofiber Organogels with Time-Resolved Luminescence for Programmable and Reliable Encryption. Nano Letters, 23(24), 11916-11924. doi:10.1021/acs.nanolett.3c04069.

Cite as: https://hdl.handle.net/21.11116/0000-000E-5814-9

Abstract

Developing tunable luminescent materials for high throughput information storage is highly desired following the explosive growth of global data. Although considerable success has been achieved, achieving programmable information encryption remains challenging due to current signal crosstalk problems. Here, we developed long-lived room-temperature phosphorescent organogels enabled by lanthanum-coordinated hydrogen-bonded organic framework nanofibers for time-resolved information programming. Via modulating coassembled lanthanum concentration and Förster resonance energy transfer efficiency, the lifetimes are prolonged and facilely manipulated (20–644 ms), realizing encoding space enlargement and multichannel data outputs. The aggregated strong interfacial supramolecular bonding endows organogels with excellent mechanical toughness (36.16 MJ m^–2) and self-healing properties (95.7%), synergistically achieving photostability (97.6% lifetime retention in 10000 fatigue cycles) via suppressing nonradiative decays. This work presents a lifetime-gated information programmable strategy via lanthanum-coordination regulation that promisingly breaks through limitations of current responsive luminescent materials, opening unprecedented avenues for high-level information encryption and protection.