纯有机室温磷光材料的研究进展

纯有机室温磷光材料因其斯托克斯位移大、寿命长、毒性小、制备成本低等优势,在防伪、生物成像、有机发光二极管等方面有着广泛的应用前景,近年来受到了人们极大的关注.在磷光体系的构建上,不仅要引入溴、碘重原子或羰基等基团促进系间窜越过程,还要采用主-客体相互作用、聚合、掺杂、卤键、氢键、π-π堆积相互作用等方法为磷光体提供良好...

Research Progress on Pure Organic Room-Temperature Phosphorescence Materials

Pure organic room-temperature phosphorescence materials have attracted great attention in recent years because of their advantages such as large Stokes shift, long lifetime, low toxicity and low cost, which have a wide prospect in anti-counterfeiting, biological imaging, organic light-emitting diodes and so on. In the construction of phosphorescence system, not only bromine, iodine heavy atoms or carbonyls are introduced to promote the intersystem crossing process, but also host-guest interaction, polymerization, doping, halogen bond, hydrogen bond and π-π stacking interaction are used to provide a rigid environment for phosphorescence to suppress non-radiative transition. At the same time, other supramolecular interactions also bring more abundant stimulus response performance to the phosphorescence system. The synthesis and rich luminescent properties of pure organic room temperature phosphorescence materials in solid and liquid states are introduced, and their development prospects proposed as well.