Table 3.
Compound | λmax, Solid (298 K) | λmax, Solid (77 K) | λmax, Solution (298 K) (DMSO)[a] | λmax, Solution (77 K) (DMSO)[b] | ||||
---|---|---|---|---|---|---|---|---|
λexc | λem [τ (μs)] | λexc | λem [τ(μs)] | λexc | λem [τ(μs)] | λexc | λem [τ (μs)] | |
5a [Au2Cl2(μ-dppe)] | 325[c] | 480[c] | -- | --- | ||||
1a [Au2(mes)2(μ-dppe)] | 271 362 |
386 sh, 405[13], 430 [11], 449 sh | 278–300 358 |
386 [37],409[43], 430 [57], 449 sh | -- | --- | ||
2a [Au2Ag(μ-mes)2(μ-dppe)]ClO4 | 401 | 522 [18] | 381 | 527 [17] | -- | --- | 370 | 497 [15] |
3a [Au2Ag(μ-mes)2(μ-dppe)]SO3CF3 | 408 | 523 [15] | 386 | 527 [16] | -- | --- | 362 | 480 [18], 500 sh |
4a [Au2Cu(μ-mes)2(μ-dppe)]PF6 | 414 | 533 [12] | 405 | 546 [13] | -- | --- | 370 | 505 [16] |
5b [Au2Cl2(μ-dppy)] | 314 | 470 [7] | 327 | 447 [11] | -- | --- | 328 | 443 [11] |
1b [Au2(mes)2(μ-dppy)] | 415 | 505 [14] | 375 | 438 [44], 494 [13] | -- | --- | 347 | 426 [10] |
2b [Au2Ag(μ-mes)2(μ-dppy)]ClO4 | 315 398 |
359 [10], 520[16] 520 |
390 | 522 [12] | 339 | 524 [9] | 385 | 511 [19] |
3b [Au2Ag(μ-mes)2(μ-dppy)]SO3CF3 | 394 | 518 [14] | 388 | 518 [14] | -- | --- | 380 | 512 [16] |
4b [Au2Cu(μ-mes)2(μ-dppy)]PF6 | 440 | 563 [9] | 370 | 522 sh, 595 [10] | -- | --- | 367 | 482 [11] |
Data of wavelength are given in nm.
Data using DMSO as solvent at room temperature, 5 × 10−4 M.
Data in frozen solutions of DMSO, 5 × 10−4 M.
Data taken from reference [8g].