Xu Zixuan, Chen Wenbin, Chen Keyao, Lin Songwang, Wu Zongyao, Deng Guoqing, Chen Juncheng, Tayyab Muhammad, Xiong Yu, Li Ming-De, Wang Dong, An Zhongfu, Tang Ben Zhong
Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China.
College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China.
Adv Mater. 2025 May;37(20):e2418778. doi: 10.1002/adma.202418778. Epub 2025 Apr 8.
Dynamic organic room-temperature phosphorescence (RTP) glasses with color tunability offer significant potential for practical applications due to their high transparency and excellent machinability. In this study, organic glasses with efficient and dynamic RTP properties are used as triplet donors, combined with commercially available chromophores as singlet/triplet acceptors, to successfully fabricate a series of host-guest doping glasses with color-tunable organic afterglow and dynamic responses to external stimuli. The energy transfer mechanisms, including triplet-to-singlet phosphorescence resonance energy transfer and Dexter-type triplet-to-triplet energy transfer, are confirmed using state-of-the-art femtosecond time-resolved transient absorption spectroscopy. These organic glasses demonstrate excellent transparency, good machinability, and dynamic responsiveness to external stimuli. The study highlights their potential applications in large-area afterglow glass fabrication, dynamic data encryption, and flexible afterglow displays. This work not only provides a simple design principle for developing novel organic glass materials with color tunability and dynamic responses but also promotes the potential applications of organic RTP materials in dynamic information encryption and flexible optoelectronics.
具有颜色可调性的动态有机室温磷光（RTP）玻璃因其高透明度和出色的可加工性而在实际应用中具有巨大潜力。在本研究中，具有高效动态RTP特性的有机玻璃被用作三线态供体，并与市售发色团作为单线态/三线态受体相结合，成功制备了一系列具有颜色可调有机余辉且对外界刺激具有动态响应的主客体掺杂玻璃。利用先进的飞秒时间分辨瞬态吸收光谱法证实了能量转移机制，包括三线态到单线态磷光共振能量转移和德克斯特型三线态到三线态能量转移。这些有机玻璃表现出优异的透明度、良好的可加工性以及对外界刺激的动态响应性。该研究突出了它们在大面积余辉玻璃制造、动态数据加密和柔性余辉显示器方面的潜在应用。这项工作不仅为开发具有颜色可调性和动态响应的新型有机玻璃材料提供了一种简单的设计原则，还推动了有机RTP材料在动态信息加密和柔性光电子学中的潜在应用。
