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. 2023 Feb 2;62(20):7636–7643. doi: 10.1021/acs.inorgchem.2c03100

Table 1. Summary of Selected Electrochemical, Photochemical, and Photophysical Properties of the Photosensitizers Used in This Study.

  ET/eV Eox/V vs SCE Eox*/V vs SCE τ0/ns ε455/(M–1 cm–1)
[Ru(bpy)3]2+ 2.12 +1.26 –0.86 650a 14,600
[Ir(sppy)3]3–b 2.65 +0.76 –1.89 1625 890
[Ir(Fsppy)3]3–b 2.76 +0.91 –1.85 2165 500
[Ir(dFsppy)3]3–b 2.81 +1.05 –1.76 2110 230
a

Determined by time-resolved luminescence spectroscopy using the TCSPC technique with a solution of the photosensitizer (50 μM) in a deaerated Tris-buffer (0.1 M, pH 8.8).

b

Determined in our previous investigations of the same water-soluble iridium(III) sensitizers.36,37