Mingjian Zeng, Weiguang Wang, Shuman Zhang, Zhisheng Gao, Yingmeng Yan, Yitong Liu, Yulong Qi, Xin Yan, Wei Zhao, Xin Zhang, Ningning Guo, Huanhuan Li, Hui Li, Gaozhan Xie, Ye Tao, Runfeng Chen, Wei Huang
Creating circularly polarized organic afterglow system with elevated triplet energy levels, suppressed non-radiative transitions, and effective chirality, which are three critical prerequisites for achieving blue circularly polarized afterglow, has posed a formidable challenge. Herein, a straightforward approach is unveiled to attain blue circularly polarized afterglow materials by covalently self-confining isolated chiral chromophore within polymer matrix. The formation of robust hydrogen bonds within the polymer matrix confers a distinctly isolated and stabilized molecular state of chiral chromophores, endowing a blue emission band at 414 nm, lifetime of 3...
April 9, 2024: Nature Communications