Star shape bridged pillar[5]arene trimer(C3-PLT) based on benzene-1,3,5-tricarboxamide(BTAs) was successfully synthesized,which exhibited outstanding guest responsive morphology transition properties.The morphology ti...Star shape bridged pillar[5]arene trimer(C3-PLT) based on benzene-1,3,5-tricarboxamide(BTAs) was successfully synthesized,which exhibited outstanding guest responsive morphology transition properties.The morphology tining studies was efficiently achieved with the addition of competitive guest molecules G1 and G2 by various self-assembly mechanisms.C3-PLT itself displays nanofiber morphology through H-type π-π stacking,and this nanofiber morphology can be completely transformed into spherical vesicles by host-guest interaction Gl,while upon addition of G2 into C3-PLT by means of "exo-wall" electron-transfer interactions,sheet superstructures can be observed.SEM,~1 H NMR,DOSY,fluorescence spectroscopy,and viscosity have verified the formation of supramolecular polymers and morphological transitions between C3-PLT with both guests.展开更多
基金the financial support from the National Natural Science Foundation of China(No.21206016)the Fundamental Research Funds for the Central Universities(No.DUT17LK07)the Natural Science Foundation of Liaoning Province(No.2019-MS-046)。
文摘Star shape bridged pillar[5]arene trimer(C3-PLT) based on benzene-1,3,5-tricarboxamide(BTAs) was successfully synthesized,which exhibited outstanding guest responsive morphology transition properties.The morphology tining studies was efficiently achieved with the addition of competitive guest molecules G1 and G2 by various self-assembly mechanisms.C3-PLT itself displays nanofiber morphology through H-type π-π stacking,and this nanofiber morphology can be completely transformed into spherical vesicles by host-guest interaction Gl,while upon addition of G2 into C3-PLT by means of "exo-wall" electron-transfer interactions,sheet superstructures can be observed.SEM,~1 H NMR,DOSY,fluorescence spectroscopy,and viscosity have verified the formation of supramolecular polymers and morphological transitions between C3-PLT with both guests.
