Picosecond flash photolysis: Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins

Douglas Magde; Maurice W. Windsor; Dewey Holten; Martin Gouterman

doi:10.1016/0009-2614(74)85008-6

Picosecond flash photolysis: Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins

Douglas Magde
, Maurice W. Windsor
, Dewey Holten
, Martin Gouterman

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

73 Scopus citations

Abstract

From picosecond flash photolysis and spectroscopy, the absorption spectra of the first excited singlet S₁ and of the first excited triplet T₁ of (OEP)SnCl₂ are determined; we also determine triplet quantum yield, φ_t ≈ 0.80. Similar S₁ and T₁ phototransient absorption spectra occur in (OEP)Pd. However, two Cu porphyrins show only one phototransient absorption spectrum. Our T₁ absorption results are generally consistent with the available earlier spectroscopic studies made with other techniques. Our value for φ_t lies intermediate between values given by two earlier studies, which were based on two different methods.

Original language	English
Pages (from-to)	183-188
Number of pages	6
Journal	Chemical Physics Letters
Volume	29
Issue number	2
DOIs	https://doi.org/10.1016/0009-2614(74)85008-6
State	Published - Nov 15 1974

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title = "Picosecond flash photolysis: Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins",

abstract = "From picosecond flash photolysis and spectroscopy, the absorption spectra of the first excited singlet S1 and of the first excited triplet T1 of (OEP)SnCl2 are determined; we also determine triplet quantum yield, φt ≈ 0.80. Similar S1 and T1 phototransient absorption spectra occur in (OEP)Pd. However, two Cu porphyrins show only one phototransient absorption spectrum. Our T1 absorption results are generally consistent with the available earlier spectroscopic studies made with other techniques. Our value for φt lies intermediate between values given by two earlier studies, which were based on two different methods.",

author = "Douglas Magde and Windsor, \{Maurice W.\} and Dewey Holten and Martin Gouterman",

year = "1974",

month = nov,

day = "15",

doi = "10.1016/0009-2614(74)85008-6",

language = "English",

volume = "29",

pages = "183--188",

journal = "Chemical Physics Letters",

issn = "0009-2614",

number = "2",

}

TY - JOUR

T1 - Picosecond flash photolysis

T2 - Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins

AU - Magde, Douglas

AU - Windsor, Maurice W.

AU - Holten, Dewey

AU - Gouterman, Martin

PY - 1974/11/15

Y1 - 1974/11/15

N2 - From picosecond flash photolysis and spectroscopy, the absorption spectra of the first excited singlet S1 and of the first excited triplet T1 of (OEP)SnCl2 are determined; we also determine triplet quantum yield, φt ≈ 0.80. Similar S1 and T1 phototransient absorption spectra occur in (OEP)Pd. However, two Cu porphyrins show only one phototransient absorption spectrum. Our T1 absorption results are generally consistent with the available earlier spectroscopic studies made with other techniques. Our value for φt lies intermediate between values given by two earlier studies, which were based on two different methods.

AB - From picosecond flash photolysis and spectroscopy, the absorption spectra of the first excited singlet S1 and of the first excited triplet T1 of (OEP)SnCl2 are determined; we also determine triplet quantum yield, φt ≈ 0.80. Similar S1 and T1 phototransient absorption spectra occur in (OEP)Pd. However, two Cu porphyrins show only one phototransient absorption spectrum. Our T1 absorption results are generally consistent with the available earlier spectroscopic studies made with other techniques. Our value for φt lies intermediate between values given by two earlier studies, which were based on two different methods.

UR - https://www.scopus.com/pages/publications/0001471679

U2 - 10.1016/0009-2614(74)85008-6

DO - 10.1016/0009-2614(74)85008-6

M3 - Article

AN - SCOPUS:0001471679

SN - 0009-2614

VL - 29

SP - 183

EP - 188

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 2

ER -

Picosecond flash photolysis: Transient absorption in Sn(IV), Pd(II), and Cu(II) porphyrins

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