Due to their dynamic planar chirality, pillar[n]arenes are promising circularly polarized luminescence emitters but efficient solution state emission is a challenge due to the unit flipping and swing. Here, the authors report a mechanically locking approach for boosted dissymmetry factor values of pyrene-tiaraed pillar[5]arenes up to 0.015 through the formation of corresponding [2]rotaxanes.
- Jing-Lin Song
- Chao Chen
- Wei Wang
