Extended Data Fig. 1: Photophysics of TADF and phosphorescence under stretching.
From: Exciplex-enabled high-efficiency, fully stretchable OLEDs
a, Schematic illustration of the donor–acceptor structure in the small-molecule TADF molecules. b,c, TRPL and PL spectra of 4CzIPN at a concentration of 1.5 mg ml−1 in a 2 mg ml−1 PU matrix, both before and after application of 50% tensile strain. d, Schematic illustration of SOC facilitated by the heavy-metal atom in the phosphorescent materials. e,f, TRPL and PL spectra of Ir(ppy)2acac at a concentration of 1.5 mg ml−1 in a 2 mg ml−1 PU matrix, measured before and after application of 50% tensile strain.
