Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/163321
Title: Four-in-One stimulus-responsive long-lived luminescent systems based on pyrene-doped amorphous polymers
Authors: Wang, Zhonghao
Gao, Liang
Zheng, Yan
Zhu, Yinyin
Zhang, Yongfeng
Zheng, Xian
Wang, Chang
Li, Youbing
Zhao, Yanli
Yang, Chaolong
Keywords: Science::Physics
Issue Date: 2022
Source: Wang, Z., Gao, L., Zheng, Y., Zhu, Y., Zhang, Y., Zheng, X., Wang, C., Li, Y., Zhao, Y. & Yang, C. (2022). Four-in-One stimulus-responsive long-lived luminescent systems based on pyrene-doped amorphous polymers. Angewandte Chemie International Edition, 61(32), e202203254-. https://dx.doi.org/10.1002/anie.202203254
Journal: Angewandte Chemie International Edition
Abstract: Materials exhibiting ultralong luminescent lifetime show promising applications in the fields of information encryption, sensing, and bioimaging. Herein, we present a low-cost and general strategy to achieve stimulus-responsive ultralong organic phosphorescence (UOP) based on pyrene chromophores doped into polymer matrices. The UOP of the resulted systems presents radiation-, concentration-, time-, and excitation-dependent characteristics. The UOP color can be turned from blue to red by changing the excitation wavelength or the concentration of chromophores. Experimental results prove that these characteristics are attributed to the consumption of triplet oxygen and the different aggregation states of chromophores in the polymer matrices. Finally, we demonstrate that these systems could be applied for multilevel information encryption. This work would promote further development of multi-responsive long-lived luminescent materials.
URI: https://hdl.handle.net/10356/163321
ISSN: 1433-7851
DOI: 10.1002/anie.202203254
Rights: © 2022 Wiley-VCH GmbH. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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