We report the first examples of deep-red Ir(III) photochemistry using Ir(ppy) 2 (p-biphe)PF 6 (ppy = 2-phenylpyridine; p-biphe = 6,6',7,7'-biphenanthridine). Red light (740 nm) directly excites into the triplet manifold, populating a long-lived...
Ortiz et al. (2026) studied this question.