Abstract
AbstractDynamically linked polymers (dynamers) have attracted attention as a versatile building block for self‐healing polymers, for example. However, research on combining optically active materials with dynamic chemistry is still in its infancy. Here, we report a highly emissive arylene ethynylene oligomer bearing a bis‐furan functionalization, which makes it suitable for utilization in Diels−Alder dynamers. By combining steady‐state and time‐resolved absorption and emission spectroscopy from the femto‐ to the nanosecond timescale, the molecular dynamics of the excited state of the monomeric building block and the corresponding Diels−Alder polymer have been investigated in detail. Although in solution no pronounced differences in their photophysics were observed, thin films of the polymer exhibit a distinct dual emission with single chromophore and excimer character, respectively.
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