A straightforward non-covalent synthetic strategy for producing donorâacceptor rotaxanes is reported. Femtosecond absorption spectroscopy illustrates that the use of this strategy gives rise to supramolecular chromophores with different electron transfer behavior.
                                    报告了一种简单的非共价合成策略,用于生产供体-受体旋转分子。飞秒吸收光谱表明,采用这种策略会产生具有不同电子转移行为的超分子
染料。