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. 2018 Oct 10;10(1):293–309. doi: 10.1039/c8sc02920b

Table 4. UV-visible absorption and emission data of [IrIII(por)Cl(CO)] and 1–4.

Complex UV-vis absorption data a
Emission data a
λ max nm–1 (log ε)
Solution at 298 K
λ max/nm (τ/μs) Φ em [×10–2]
[IrIII(ttp)Cl(CO)] 309 (4.50), 422 (5.58), 533 (4.41), 567 (3.89) 724 (47.2), 808 (sh) 0.16
[IrIII(tmp)Cl(CO)] 311 (4.43), 422 (5.58), 533 (4.42), 564 (3.60) 721 (77.2), 800 (sh) 0.22
[IrIII(oep)Cl(CO)] 342 (4.44), 403 (5.38), 518 (4.30), 549 (4.62) 666 (83.3), 722 (sh) 5.03
[IrIII(F20tpp)Cl(CO)] 329 (4.40), 414 (5.42), 526 (4.45), 557 (3.94) 676 (101.0), 746 (sh) 2.92
[IrIII(tmp)(IMe)Cl] 1a 345 (sh) (4.29), 368 (4.56), 431 (5.18), 542 (4.06), 593 (3.40) 773 (1.8) 0.05
[IrIII(tmp)(BIMe)Cl] 1b 301 (4.55), 367 (4.61), 431 (5.23), 545 (4.13), 592 (3.92) 775 (2.3) 0.06
[IrIII(F20tpp)(IMe)Cl] 1c 346 (sh) (4.44), 371 (4.62), 426 (5.10), 533 (4.12) b b
[IrIII(F20tpp)(BIMe)Cl] 1d 296 (4.41), 346 (sh) (4.39), 369 (4.55), 426 (5.10), 535 (4.12) 729 (1.7), 811 (sh) 0.29
[IrIII(ttp)(IMe)2]+ 2a 374 (4.76), 438 (5.12), 547 (3.87), 620 (3.82) (br) c Nonemissive
[IrIII(ttp)(BIMe)2]+ 2b 297 (4.63), 372 (4.63), 437 (4.99), 564 (3.85) (br) d , 611 (3.87) (br) c Nonemissive
[IrIII(oep)(IMe)2]+ 2c 351 (sh) (4.52), 372 (4.86), 429 (4.89), 532 (4.10), 556 (4.01) 701 (2.7), 766 (sh) 0.41
[IrIII(oep)(BIMe)2]+ 2d 297 (4.42), 373, (4.76), 428 (4.82), 533 (4.03), 557 (3.95) 701 (3.6), 765 (sh) 0.66
[IrIII(oep)(IiPr)2]+ 2e 353 (sh) (4.49), 375 (4.82), 432 (4.82), 537 (4.09), 560 (4.02) 701 (1.9), 763 (sh) 0.03
[IrIII(F20tpp)(IMe)2]+ 2f d 355 (sh) (4.63), 374 (4.89), 418 (sh) (4.72), 440 (5.00), 537 (4.13) 754 (0.5), 829 (sh) 0.08
[IrIII(oep)(CNPhOMe)2]+ 3 266 (4.70), 344(sh) (4.36), 395 (5.20), 515 (4.17), 547 (4.50) 663 (124.7), 717(sh) 6.40
[IrIII(oep)(py)2]+ 4 388 (5.25), 507 (4.11), 539 (4.54) 651(55.2), 711(sh) 12.30

aMeasurements were performed in degassed CHCl3.

bComplex 1d was unstable for emission measurements.

cBroad absorption band spans from ca. 510 to 670 nm.

dMeasurements were performed in degassed CH2Cl2.