Fig. 1
From: New insights into the design of conjugated polymers for intramolecular singlet fission
Structure and energetics analysis. a Structure of isoindigo-based low-bandgap polymer IIDDT-Me. b Aromatic and quinoidal resonance structures of IIDDT-Me. c Natural transition orbital analysis of the electron and hole states for the singlet and triplet. d Normalized UV−Vis absorption spectra of IIDDT-Me in the TCE, DCB, CHCl3 solution, and films
