Appendix 2. Photophysical properties of porphyrin dyads.

Measurements carried out by Dr. L. Prodi (Universitą degli Studi di Bologna).

 

Compound

 

 l / nm (e / M cm)

 

253

528 (11000)

564 (15000)

408 (190000)

256

528 (11000)

564 (15000)

408 (190000)

257

538 (19000)

574 (10000)

410 (380000)

258

536 (27000)

567 (21000)

413 (520000)

259

536 (27000)

567 (21000)

413 (520000)

 

Table A2.1

Absorption spectra of selected compounds in DCM solution.

 

                                        Fluorescence                                Phosphorescence

 

 

298 K

 

77 K

 

77 K

 

l / nm

t / ns

l / nm

t / ns

l / nm

t / ns

257

583

1.6

584

2.0

717

75

258

583

0.4

582

0.4

-

-

259

582

0.4

583

0.4

-

-

 

Table A2.2

Luminescence properties of selected compounds in DCM solution. Compounds 253 and 256 were non-luminescent.

 


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