초록 |
To control molecular arrangement and morphology on the diverse length scale, the designed achiral asymmetric molecule (abbreviated as AT1M) containing the tetrathiafulvalene (TTF) was synthesized and characterized. On the basis of the 2D WAXD techniques, a highly ordered monoclinic crystal of AT1M is clearly identified. Moreover, formation of the scrolled and helical ribbons as well as flat ribbons from achiral AT1M compounds are observed by TEM, AFM, POM. The scrolled and helical structures are originated by imbalanced surface stresses resulting from the molecular packing in the monoclinic cell of the crystalline phase. The outstanding optical and electrochemical properties of AT1M is investigated using UV-Vis. and CV. This work was mainly supported by the Basic Science Research Program, and BK21 PLUS Program, Korea. |