Figure 1.

Molecular structures and steady‐state spectra. A) Structures of the phenyl‐bridged (1, black), naphthalene‐bridged (2, red), and biphenyl‐bridged (3, blue) bis‐CAAC diradicaloids. B) Normalized steady‐state absorption spectra at room temperature (solid line) and fluorescence spectra (dotted line) of 1 (black), 2 (red), and 3 (blue) measured at low concentrations (5×10⁻⁷  m) and 80 K upon excitation at 670 nm. C) Temperature‐ and concentration‐dependent normalized steady‐state absorption spectra of 3. Steady‐state absorption at high concentrations (1×10⁻³  m) at room temperature (cyan) and 80 K (blue) as well as with low concentrations at 80 K (purple).