Flexible Organic Crystal with Two-Dimensional Elastic Bending and Recoverable Plastic Twisting for Circularly Polarized Luminescence  

作　　者：Wenjie Kuang Bo Jing Songgu Wu Junbo Gong 

机构地区：[1]State Key Laboratory of Chemical Engineering,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072 [2]Collaborative Innovation Center of Chemical Science and Engineering,Tianjin 300072

出　　处：《CCS Chemistry》2024年第6期1439-1447,共9页中国化学会会刊（英文）

基　　金：supported by the National Natural Science Foundation of China(grant no.22178254);the Key R&D Program of Hebei Province,China(grant no.21282602Z);the Tianjin Natural Science Foundation,China(grant no.21JCZJC00400).

摘　　要：Multidimensional mechanical flexible organic crystals with tunable optoelectronic properties hold significant promise for practical application in complicated environmental conditions.Herein,based on a newly designed“flexible”Schiff base small molecule with chirality,we presented a compatibly bendable and twistable organic single crystal with circularly polarized luminescence for the first time.First,the twodimensional elastic bending of the chiral crystal was realized at both room and liquid nitrogen temperatures,along with recoverable plastic twisting at room temperature.Besides,circular dichroism and circularly polarized luminescence spectroscopy were employed to characterize the chiral enantiomer in solution and the solid state.Our design strategy provides a new perspective for the future construction of chiroptical flexible crystal materials.

关 键 词：organic crystal multidimensional flexibility circularly polarized luminescence low-temperature resistance 

分 类 号：O62[理学—有机化学]