Resonance Raman investigation of transient photoinduced ligation changes in nickel octaethyl porphyrin

E. W. Findsen, J. A. Shelnutt, Joel M. Friedman, M. R. Ondrias

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The first picosecond and nanosecond time-resolved Raman spectra of photoexcited metalloporphyrins in the coordinating solvent piperidine are presented. Our data demonstrate that time-resolved resonance Raman spectra can be obtained from nickel octaethyl porphyrins and confirm the existence of photoinduced ligation changes in nickel octaethyl porphyrin species on a sub-nanosecond timescale. It is inferred from the power-dependent behavior of various porphyrin vibrational modes that multiple photochemical effects are contributing to the observed transient spectra.

Original languageEnglish (US)
Pages (from-to)465-471
Number of pages7
JournalChemical Physics Letters
Volume126
Issue number5
DOIs
StatePublished - May 16 1986
Externally publishedYes

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Porphyrins
Nickel
porphyrins
nickel
Raman scattering
Metalloporphyrins
Raman spectra
piperidine
vibration mode

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Surfaces and Interfaces

Cite this

Resonance Raman investigation of transient photoinduced ligation changes in nickel octaethyl porphyrin. / Findsen, E. W.; Shelnutt, J. A.; Friedman, Joel M.; Ondrias, M. R.

In: Chemical Physics Letters, Vol. 126, No. 5, 16.05.1986, p. 465-471.

Research output: Contribution to journalArticle

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AB - The first picosecond and nanosecond time-resolved Raman spectra of photoexcited metalloporphyrins in the coordinating solvent piperidine are presented. Our data demonstrate that time-resolved resonance Raman spectra can be obtained from nickel octaethyl porphyrins and confirm the existence of photoinduced ligation changes in nickel octaethyl porphyrin species on a sub-nanosecond timescale. It is inferred from the power-dependent behavior of various porphyrin vibrational modes that multiple photochemical effects are contributing to the observed transient spectra.

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