Dynamic Ultralong Organic Phosphorescence by Photoactivation

Angewandte Chemie
Long GuWei Huang

Abstract

Smart materials with ultralong phosphorescence are rarely investigated and reported. Herein we report on a series of molecules with unique dynamic ultralong organic phosphorescence (UOP) features, enabled by manipulating intermolecular interactions through UV light irradiation. Our experimental data reveal that prolonged irradiation of single-component organic phosphors of PCzT, BCzT, and FCzT under ambient conditions can activate UOP with emission lifetimes spanning from 1.8 to 1330 ms. These phosphors can also be deactivated back to their original states with short-lived phosphorescence by UV irradiation for 3 h at room temperature or through thermal treatment. Additionally, the dynamic UOP was applied successfully for a visual anti-counterfeiting application. These findings may provide unique insight into dynamic molecular motion for optical processing and expand the scope of smart-response materials for broader applications.

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Citations

Feb 6, 2019·Advanced Materials·Marine LouisSebastian Reineke
Feb 24, 2019·Proceedings of the National Academy of Sciences of the United States of America·Xiaoyong JiaLiangliang Zhu
Dec 4, 2019·Chemistry : a European Journal·Zhongfu AnWei Huang
Feb 13, 2019·Science Advances·Max GmelchSebastian Reineke
Feb 8, 2020·Chemistry, an Asian Journal·Jiahuan ZhiWei Huang
May 6, 2020·Angewandte Chemie·Aakash D NidhankarSanthosh Babu Sukumaran
Mar 12, 2020·Chemistry : a European Journal·Lili HuangZhiyong Ma
Sep 23, 2020·Nature Materials·Chengjian ChenBin Liu
Feb 29, 2020·Research : a Science Partner Journal·Mingxing GuWei Huang
Aug 7, 2020·Biomaterials Science·Xu ZhenXiqun Jiang
Jan 1, 2019·Advanced Materials·Zesen LinChihaya Adachi
Dec 22, 2020·Accounts of Chemical Research·Qian PengZhigang Shuai
Mar 28, 2021·Analytical and Bioanalytical Chemistry·Zece ZhuJintao Zhu
Jun 30, 2021·The Journal of Physical Chemistry Letters·Taoyu WengLiangliang Zhu
Jun 25, 2021·Chemical Science·Aakash D NidhankarSukumaran Santhosh Babu
Jul 3, 2021·Research : a Science Partner Journal·Jian GuLiangliang Zhu
Jul 29, 2021·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Numan HasanZhiyong Ma
Mar 3, 2020·ACS Applied Materials & Interfaces·Xiaojing SuXingrong Zeng
Sep 12, 2020·The Journal of Physical Chemistry. B·Xiaohong ChenWang Zhang Yuan
Aug 20, 2021·Journal of the American Chemical Society·Hua-Jiang YuYu Liu

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