室温磷光(Room Temperature Phosphorescence, RTP)现象的发现大大拓展了磷光材料的应用和研究方向。具有良好生物适应性的凝胶体系可以为磷光体提供更好的聚集效果,隔绝猝灭三线态的氧分子,并成为研究RTP现象的重要微环境。本文将综述...室温磷光(Room Temperature Phosphorescence, RTP)现象的发现大大拓展了磷光材料的应用和研究方向。具有良好生物适应性的凝胶体系可以为磷光体提供更好的聚集效果,隔绝猝灭三线态的氧分子,并成为研究RTP现象的重要微环境。本文将综述凝胶基质中室温磷光现象的研究与应用,并对该研究方向进行了展望。展开更多
The organic solid-state lightemitting materials have attracted more and more attention owing to their promising applications in displays,lasers and optical communications.In contrast to isolated molecule,there are var...The organic solid-state lightemitting materials have attracted more and more attention owing to their promising applications in displays,lasers and optical communications.In contrast to isolated molecule,there are various weak intermolecular interactions in organic solids that sometimes have a large impact on the excited-state properties and energy dissipation pathways,resulting in strong fluorescence/phosphorescence.It is increasingly necessary to reveal the luminescence mechanism of organic solids.Here,we briefly review how intermolecular interactions induce strong normal fluorescence,thermally activate delayed fluorescence and room-temperature phosphorescence in organic solids by examining changes in geometry,electronic structures,electron-vibration coupling and energy dissipation dynamics of the excited states from isolated to aggregated molecules.We hope that the review will contribute to an in-depth understanding of the excited state properties of organic solids and to the design of excellent solid-state light-emitting materials.展开更多
文摘室温磷光(Room Temperature Phosphorescence, RTP)现象的发现大大拓展了磷光材料的应用和研究方向。具有良好生物适应性的凝胶体系可以为磷光体提供更好的聚集效果,隔绝猝灭三线态的氧分子,并成为研究RTP现象的重要微环境。本文将综述凝胶基质中室温磷光现象的研究与应用,并对该研究方向进行了展望。
基金supported by the National Natural Science Foundation of China(No.21973099)。
文摘The organic solid-state lightemitting materials have attracted more and more attention owing to their promising applications in displays,lasers and optical communications.In contrast to isolated molecule,there are various weak intermolecular interactions in organic solids that sometimes have a large impact on the excited-state properties and energy dissipation pathways,resulting in strong fluorescence/phosphorescence.It is increasingly necessary to reveal the luminescence mechanism of organic solids.Here,we briefly review how intermolecular interactions induce strong normal fluorescence,thermally activate delayed fluorescence and room-temperature phosphorescence in organic solids by examining changes in geometry,electronic structures,electron-vibration coupling and energy dissipation dynamics of the excited states from isolated to aggregated molecules.We hope that the review will contribute to an in-depth understanding of the excited state properties of organic solids and to the design of excellent solid-state light-emitting materials.
