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. 2020 Jun 12;10(38):22712–22725. doi: 10.1039/d0ra03070h
Free base meso-arylporphyrins
Compound λ max (nm) (ε × 10−3 L mmol−1 cm−1) E gap-opt (eV) Ref.
Soret band Q bands
H2(TPP)a 416(419) 513(20) 550(20) 590(6) 646(6) 1.89 26
H2(TTP)b 420 516 552 594 640 1.86 27
H2(TPBP)c 420(513) 516(17) 552(7) 591(5) 646(4) 1.82 4
H2(TEBOP)d 422(295) 517(9) 554(8) 593(5) 651(7) 1.85 18
H2(TAzP-HVP) 4a 420(565) 517(42) 554(19) 593(15) 650(13) 1.88 This work
H2(TAzP-ClVP) 4b 422(551) 518(35) 555(26) 594(15) 651(17) 1.87 This work
H2(TAzP-IVP) 4c 424(576) 520(46) 555(29) 595(24) 652(18) 1.86 This work
a

TPP = meso-tetraphenylporphyrinato.

b

TTP = meso-tetratolylporphyrinato.

c

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

d

TEBOP = meso-tetrakis(ethyl-4(4-butyryl)oxyphenyl)porphyrinato.

e

TMP = meso-tetrakis(2,4,6-trimethylphenyl)porphyrinato.