余辉
手性(物理)
材料科学
光子学
加密
极化(电化学)
能量转移
光子晶体
圆极化
光电子学
发光
接受者
纳米技术
化学物理
光学
物理
化学
凝聚态物理
物理化学
计算机科学
微带线
天文
操作系统
量子力学
手征对称破缺
Nambu–Jona Lasinio模型
伽马射线暴
夸克
作者
Chenjia Yin,Siyu Sun,Zi‐Ang Yan,Honglong Hu,Ping Jiang,Zhuoran Xu,He Tian,Xiang Ma
标识
DOI:10.1073/pnas.2419481122
摘要
Materials with pure organic circularly polarized afterglow (CPA) have attracted significant attention due to their spatiotemporal-resolved optical properties, yet achieving simultaneous high dissymmetry factor (glum) and multicolor ultralong emission remains a challenge. Here, we establish a universal energy transfer-photon coupling strategy to realize CPA spanning from blue to red with record-high glum (up to 1.90) and ultralong lifetimes (>6 s). Systematic characterization of nonchiral donor–acceptor systems (TP-BPEA, TP-Fluo, etc.) reveals the absence of ground-state chiral centers ( g CD ≈ 0) and orientation artifacts ( LD < 10 −7 ), confirming the key role of cholesteric liquid crystal polymer in chirality induction. This spatiotemporal synergy between energy transfer (wavelength modulation) and photonic engineering (polarization control) provides a framework for chiral photonic materials, with potential implications for multidimensional information encryption.
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