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The 3MLCTppz state was generated upon excitation at 290 nm, and the intensity of the TA band related to the 3MLCTppz state decreased as the time delay increased. Concurrently, the TA band related to the 3MLCTLX state intensified. On the other hand, no further changes in the TA spectra were observed upon direct excitation of the 3MLCTLX state at 420 nm. In contrast with other Ir(ppz)2(LX) complexes, Ir(ppz)2(picOH) produced long-lived TA species, attributed to excited-state intramolecular proton transfer of the picOH ligand in the excit