| 초록 |
We newly designed and synthesized solid-state luminogens (AT3CN) containing a rigid chromophore and a flexible dendron for multicolor emission. Because of the aggregation induced emission, strong solid-state luminescence can be found in AT3CN. We investigated the molecular packing structure of AT3CN in three ordered states using differential scanning calorimetry (DSC), wide-angle X-ray diffraction (WAXD). By precisely controlling three different columnar structures of AT3CN, the solid-state luminescence can be reversibly switched from green to blue, and yellow. Based on the structure analysis, the simple thermal treatment on the AT3CN compound can triggers a change in the luminescence color. When applying mechanical stimulation at room temperature, the luminescence color of AT3CN change. When the crushed AT3CN is fumed by solvent, it is restored to its original color. This work was supported by the BK21 Plus, the BRL 2015042417, and Mid-Career Researcher Program (2016R1A2B2011041). |
