Manipulating the Ultralong Organic Phosphorescence of Small Molecular Crystals.,Chemistry - A European Journal

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Manipulating the Ultralong Organic Phosphorescence of Small Molecular Crystals.
Chemistry - A European Journal ( IF 3.9 ) Pub Date : 2019-12-01 , DOI: 10.1002/chem.201904500
Wenyong Jia ₁ , Qian Wang ₁ , Huifang Shi ₁ , Zhongfu An ₁ , Wei Huang _{1,

2}

Affiliation

Ultralong organic phosphorescence (UOP) of metal-free organic materials has received considerable attention recently owing to their long-lived emission lifetimes, and the fact that they present an attractive alternative to persistent luminescence in inorganic phosphors. Enormous research effort has been devoted on improving UOP performance in metal-free organic phosphors by promoting the intersystem crossing (ISC) process and suppressing the non-radiative decay of triplet state excitons. This minireview summarizes the recent advances in the rational approaches for manipulating the UOP properties of small molecular crystals, such as phosphorescence lifetime, efficiency, and emission colors. Finally, the present challenges and future development of this field are proposed. This review will provide a guideline to rationally design more advanced metal-free organic phosphorescence materials for potential applications.

中文翻译：

操纵小分子晶体的超长有机磷光。

不含金属的有机材料的超长有机磷光（UOP）由于具有长寿命的发射寿命，并且在无机磷光体中提供了持久发光的诱人替代品，这一事实最近受到了广泛关注。通过促进系统间穿越（ISC）过程并抑制三重态激子的非辐射衰减，人们致力于提高无金属有机磷光体的UOP性能。这篇小型综述总结了操纵小分子晶体的UOP特性（例如磷光寿命，效率和发射色）的合理方法的最新进展。最后，提出了该领域的当前挑战和未来发展。

更新日期：2020-01-24

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