Rotaxane rings promote oblique packing and extended lifetimes in DNA-templated molecular dye aggregates. - Barclay, Matthew S.; Roy, Simon K.; Huff, Jonathan S.; Mass, Olga A.; Turner, Daniel B.; Wilson, Christopher K.; Kellis, Donald L.; Terpetschnig, Ewald A.; Lee, Jeunghoon; Davis, Paul H.; Yurke, Bernard; Knowlton, William B.; et al. (Communications Chemistry, 2021)