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. 2020 Feb 14;10(12):6900–6918. doi: 10.1039/c9ra08504a

Emission parameter values of several meso-porphyrins and a selection of cobalt(ii) meso-metalloporphyrins.

Compound λ exci a Q(0,0) Q(0,1) ϕ f b τ f c (in ns) Solvent Ref.
Free base meso-porphyrins
H2TMPP 424 656 719 0.082 7.16 CH2Cl2 This work
H2TClPP 418 651 714 0.089 7.42 CH2Cl2 This work
H2TPPd — 654 712 0.11 — CH2Cl2 43 and 44
H2TPPd — 656 717 0.09 — CH2Cl2 45
H2TPPd — 653 722 0.12 9.6 DMF 46
 
Tetracoordinated cobalt( ii ) meso-metalloporhyrins
[CoII(TPBP)]e 552 653 719 0.032 — CH2Cl2 7
[CoII(TMPP)] 414 655 719 0.035 6.02 CH2Cl2 This work
[CoII(TClPP)] 412 652 713 0.04 6.10 CH2Cl2 This work
 
Pentacoordinated and hexacoordinated cobalt( ii ) meso-porphyrins
[CoII(TPBP)(4,4′-bipy)2]e,f 550 652 718 0.036 — CH2Cl2 7
[CoII(TMPP)(4-CNpy)]·CHCl3 (1) 437 652 717 0.054 1.97 CH2Cl2 This work
[CoII(TClPP)(4-CNpy)] (2) 439 653 714 0.06 1.997 CH2Cl2 This work
a

λ exci = wavelength value of excitation.

b

ϕ f = fluorescence quantum yields.

c

τ f = fluorescent lifetime.

d

TPP = meso-tetraphenylporphyrinato.

e

TPBP = meso-{tetrakis-[4-(benzoyloxy)phenyl]porphyrinato}.

f

4,4′-bipy = 4,4′-bipyridine.