1. 毕业设计（论文）的内容和要求
本课题将对对纯有机磷光材料进行理论计算和实验研究，制备一系列高效率磷光发光材料。
作为单组份小分子发光，晶体工程可以作为一个最有效的手段来限制分子的非辐射跃迁，来提高材料的磷光效率。
关键就在于可以合理的设计小分子结构，来进一步探索磷光材料结构-功能之间的关系，为磷光材料的发展提供新的思路。
2. 参考文献
1. Suzhi Cai et al. Enhancing Ultralong Organic Phosphorescence by Effective π-Type Halogen Bonding. Adv. Funct. Mater. 28, 1705045(2018) .2. Weijun Zhao et al. Rational Molecular Design for Achieving Persistent and Efficient Pure Organic Room-Temperature Phosphorescence. Chem. 1, 592(2016).3. Zuoji niu et al. Colour-tunable ultralong organic phosphorescence upon temperature stimulus. RSC Adv. 9. 19075(2019).4. Weijun Zhao et al. Boosting the efficiency of organic persistent room-temperature phosphorescence by intramolecular triplet-triplet energy transfer. Nat. Commun. 10. 1595(2019).5. An Z, Zheng C, Tao Y, et al. Stabilizing triplet excited states for ultralong organic phosphorescence[J]. Nat. Mater. 14. 685(2015).6. Gong, Y. et al. Crystallization-induced dual emission from metal- and heavy atom-free aromatic acids and esters. Chem. Sci. 6, 44384444 (2015).7. Kwon, M. S. et al. Suppressing molecular motions for enhanced roomtemperature phosphorescence of metal-free organic materials. Nat. Commun. 6, 8947 (2015).8. Wang, J. et al. A facile strategy for realizing room temperature phosphorescence and single molecule white light emission. Nat. Commun. 9, 2963 (2018).9. Bolton, O., Lee, K., Kim, H. J., Lin, K. Y. Kim, J. Activating efficient phosphorescence from purely organic materials by crystal design. Nat. Chem. 3, 205210 (2011).10. Yang, Z. et al. Intermolecular electronic coupling of organic units for efficient persistent room-temperature phosphorescence. Angew. Chem. Int. Ed. 55, 21812185 (2016).11. Zhao, W. et al. Rational molecular design for achieving persistent and efficient pure organic room-temperature phosphorescence. Chem. 1, 592602 (2016).12. Xiong, Y. et al. Designing efficient and ultralong pure organic roomtemperature phosphorescent materials by structural isomerism. Angew. Chem. Int. Ed. 57, 79978001 (2018).13. Xie, Y. et al. How the molecular packing affects the room temperature phosphorescence in pure organic compounds: ingenious molecular design, detailed crystal analysis, and rational theoretical calculations. Adv. Mater. 29, 1606829 (2017).14. Xu, S., Chen, R., Zheng, C. Huang, W. Excited state modulation for organic afterglow: materials and applications. Adv. Mater. 28, 99209940 (2016).15. Paul, L., Chakrabarti, S. Ruud, K. Origin of dual-peak phosphorescence and ultralong lifetime of 4,6-diethoxy-2-carbazolyl-1,3,5-triazine. J. Phys. Chem. Lett. 8, 12531258 (2017).
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